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CURRICULUM VITAE ADOLFO CONTRERAS RENGIFO Updated : May 2008 I. BIOGRAPHIC INFORMATION Date of birth: October 2 de 1958 Place of birth: Cali/Colombia Citizenship: Colombian Ethnic Classification Hispanic

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Sex Male Marital Status Married Wife Beatriz Parra Patiño Son: Alejandro Contreras Parra University Address:Escuela de Odontología

Facultad de Salud Apartado Aéreo 25360 Calle 4B No. 36-00 Cali Colombia

University phones 572/ 5542469 and 5185680 Fax number : 572 5185684 Home Address : Calle 102 No 13A- 61 Cali, Colombia Home Telephone : 572/ 3392297 Mobile Phone : 316 - 5243636

Electronic Mails: adolfoco@yahoo.com Inv-odon@univalle.edu.co investigasalud@univalle.edu.co

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II UNIVERSITY EDUCACION.

1984 Doctor Dental Surgery, DDS Universidad del Valle, Cali, Colombia

1994 Master of Science - Microbiology, Universidad del Valle, Cali, Colombia 1999 Doctor in Craneofacial Biology, Ph.D. University of Southern California, Los Angeles, California, USA

III ACADEMIC APPOINMENTS

1986 Instructor Dental School Universidad del Valle, Cali, Colombia

1990 Auxiliar Professor Dental School,

Universidad del Valle, Cali, Colombia

1992 Assistant Professor Dental School, Universidad del Valle, Cali, Colombia

1994 Associate Professor Dental School,

Universidad del Valle, Cali, Colombia 1998 Full Professor, Dental School,

Universidad del Valle, Cali, Colombia

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2000 Research Director, Dental School, Universidad del Valle, Cali, Colombia

2001 To 2004 (june 15) Dean of Research, Faculty of Health, Universidad del Valle Nov 2004 to June 15 - 2007 Director Dental School Faculty of Health Universidad del Valle JUNE 16 2007 TO DATE Dean of Research, Faculty of Health, Universidad del Valle

IV ADMINISTRATIVE AND SERVICE ACTIVITIES

2000-to 2001

Director of research, Dental School, Universidad del Valle, Cali Colombia

2001 to 2004 (june)

Dean of Reseach, Faculty of Health, Universidad del Valle. Director Doctoral Program in Biomedical Science Health Faculty Universidad del Valle.

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2004. September 15 2004. Editor “Revista de Estomatología”- Dental School, Universidad del Valle 2004 Nov to June 2007: Director Dental School Health Faculty, Universidad del Valle

SCIENTIFIC REVIEWER JOURNALS

1999 to 2002 Oral Microbiology and Immunology

Munksgaard - USA 2000 to present Revista Estomatología

(Escuela Odontología Universidad del Valle)

2003 to present Colombia Médica (Facultad de Salud Univalle)

2002 to present Revista “Universitas Odontológica “ (Facultad de Odontología Pontificia Universidad Javeriana Bogota)

2003 to date. Revista Mexicana de Odontología Facultad de Odontología UNAM, México 2006 to date.

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Journal of Clinical Periodontology 2007 to date Journal of Periodontology 2008 Journal of Periodontal Research

WORKING EXPERIENCE 1984 to 1985 Rural Social Service at Buenos Aires, Cauca, Colombia 1986 to 1994 Private Practice of General Dentistry, part time in Cali, Colombia 1986 to 1994 Teaching operative dentistry and periodontology. Dental School Cali, Colombia 1998 to 1999 Associated Researcher, Oral Microbiology Testing Laboratory University of Southern California, Los Angeles, CA, USA 2000 to present

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Researcher and Professor at the Periodontology Departament, Dental School, Universidad del Valle, Cali, Colombia 2001 to 2004 (june) Dean of Research. Faculty of Health. Universidad del Valle- Director Periodontal Medicine Group Director Biomedical Sciences PhD Program.

2004- 2007 June Dean Dental School Health Faculty Universidad del Valle – Cali - Colombia

AWARDS AND HONNORS 1993 First prize of the Dental Colombian Research

Congress. Basic Science area in Medellin-Antioquia, Colombia. Sensitivity of gingival fibroblast to herpes simplex type I infection by Adolfo Contreras and Beatriz Parra.

1999 First prize in periodontal basic research at the

California Periodontal Society 10th Intercity Meeting. Human herpes virus 6, Human herpesvirus 7 and Human herpesvirus 8 in

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periodontal biopsies from HIV-periodontitis patients by Armen Mardirossian, Adolfo Contreras and Jorgen Slots.

1999 First prize in dental research, California

Dental Society. Herpesviruses and periodontopathic bacteria in trysomy 21 periodontitis y Herpesviruses in localized juvenile periodontitis by Ting Myriam, Adolfo Contreras and Jorgen Slots.

2000 Honnor Award, XI Colombian simposia on

dental research at Medellin, “In vitro contamination of toothbrushes” by Gaviria Paola, Rosales Heidy, Contreras Adolfo.

2000 Honnor Award, XI Colombian simposia on

dental research at Medellin, “Importance of Dialister pneumosintes in human periodontitis” by Contreras Adolfo, Doan Nguyen, Chen Casey, Flynn J, Slots Jørgen.

2000 Honnor Award, XI Colombian simposia on

dental research at Medellín, “Periodontal status in cyclic neutropenia” by Giraldo C, Lafaurie G, Romero C, Contreras A, Bonilla M. Universidad el Bosque de Bogota y Universidad del Valle de Cali.

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2002 to present Director of the Periodontal Medicine Research

group at the Dental School Universidad del Valle

2003. Comission coordinator for evaluating the doctoral program in biomedical sciences at the Universidad Autónoma de México –UNAM. México Asociación Ibero – Americana de postgrado AUIP-

2003 Official Academic reviewer to the graduate

dental program. Colegio Odontológico Colombiano - COC , Bogotá. Accreditation purpose - Education Ministry

2003 Official Academic reviewer to the graduate dental program. Fundación Universitaria San Martín, Bogotá.

2004 External examiner Master Science Dental

Programs Dental Faculty, Postgraduate Programs Universidad de Chile

Ministerio de Educación de Chile. 2005 Honnor Award, XVI Colombian Annual Dental

Research Meeting Cartagena Colombia, Held by “ACFO” Title “Periodontal disease is a risk factor for pre-eclampsia : a case control study” Authors : Contreras A, Herrera JA, Arce RM, Jaramillo A., Botero JE.

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2006 First place - Colombian Dental Research

contest "Rafael Torres Pinzón". Periodontal disease correlates with high levels of C-reactive protein in pre-eclampsia. Authors : Herrera JA., Contreras A., Arce RM., Botero JE., Jaramillo A.

III. TEACHING ACTIVITIES COURSES PRESENTED 2000 Course director, Universidad del Valle, School

of dentistry for periodontics. Oral and Periodontal Microbiology, 48 lecture hours, 6 students

2000 Course director, Universidad del Valle, School

of dentistry, for DDS. Scientific and research methodology, 32 lecture hours, 40 students

1986 to 1994

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Several teaching experience with DDS students mainly in integral adult clinics, operative dentistry and periodontics 2004 Microbiology of anaerobic oral infections. Theoretical and practical 48 lecture hours. 2005 Management of Oral infections 48 lecture hours. 2001 Periodontal Microbiology- advance Periodontology course.Theoretical and practical. 72 hours 2001 to 2004

Periodontology Research for advanced perio-students. Four courses 200 hours (Thesis and laboratory work)

2002 Periodontal Microbiology- advanced Periodontology course.Theoretical and practical. 72 hours 2002 to present

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Periodontal Research for advanced periodontology students. Four courses 200 hours (Thesis and laboratory work) 2002 to 2004 Seminar Director "Theoretical and practical seminar to strength research activities among teachers and graduate students at the Health faculty Universidad del Valle" 80 hours. 2004 TO DATE Immunology and Microbiology courses Advanced Periodontology Program IV. SCHOLARLY ACTIVITIES MASTER OF SCIENCE THESIS 1994 Herpes simplex virus en pacientes con

periodontitis. Universidad del Valle, Cali, Colombia

DOCTORAL THESIS 1999 Herpesviruses in human periodontal disease.

University of Southern California, Los Angeles, CA, USA

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NATIONAL PAPERS 1: Contreras A. Historia y Evolución de la Microbiología. Revista Estomatología. 2(1): 37-39, 1992. 2: Contreras A. Patogénesis de la Enfermedad Periodontal. Revista Estomatología. 2 (2): 79-86, 1992. 3: Astudillo M, Contreras A. Diagnostico sobre esterilización y desinfección en 60 consultorios odontológicos en Cali. Revista Estomatología. 3(1):16-20, 1993. 4: Celis M, Contreras A, Vallejo M. La amalgama dental: el material, interacciones con el ambiente y contribución a la carga corporal del mercurio. Revista Estomatología 3 (1): 37-45, 1993. 5: Contreras A, Parra B. Sensibilidad a la infección por herpes simplex tipo 1 de fibroblastos gingivales. Revista Estomatología. 6: Contreras A, Astudillo M, Barona G, Carmona A, Baraya A. Efecto inhibitorio del triclosan al 0.2% y citrato de zinc al 0.02% sobre bacterias cariogenicas y periodontopatogenicas (in vitro). Revista Estomatología 6 (1): 27-31, 1996. 7: Soto JE, Parra B, Contreras A. Cultivo y caracterización in vitro de una línea celular de

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fibroblastos gingivales humanos. Revista Estomatología. 8: 4-9, 1999. 8: Contreras A., Slots J. Antibiótico-terapia de las enfermedades periodontales. Un concepto moderno. Revista Estomatología. 9: 39-54, 2000. 9: Fayad I., Slots J., Contreras A. Comparación entre el cultivo y la técnica de reacción en cadena de la polimerasa para la detección de Bacteroides forsythus y Phorphyromonas gingivalis. Revista Científica. Universidad el Bosque. 5: 30-38, 2000. 10: Giraldo C., Bonilla ML., Lafaurie GI., Romero C., Contreras A. Estado periodontal de un paciente con neutropenia congénita. 6: 75-80, 2000. 11: Gaviria PA., Rosales HL., Contreras A. Contaminación in vitro de cepillos dentales. Revista Estomatología. 9: 14-20, 2001 12: Contreras A. Astudillo M, Daza LH y otros. Contaminación microbiana de cepillos dentales en pacientes con enfermedad periodontal. Revista Estomatología 10: 4-14, 2002 13. Contreras A., Arce RM., Botero JE., Jaramillo A. Contaminación bacteriana de cepillos dentales en niños y sus padres. Revista Estomatología 10: 4-12, 2002. 14. Escudero M. Botero JE., Contreras A.., Microbiología subgingival en pacientes HIV+ con y sin terapia anti-retroviral. Revista Estomatología 11 : 1-14, 2003.

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15. Arbelaez L., Bravo SP., Chica C., Contreras A., Ospina AM., Rentaría LM., Uribe LF. Microbiología de las lesiones apicales crónicas supurativas con fístula. Revista Estomatología 11 : 2-31 2003. 16. Botero JE., Arce RM., Jaramillo A., Contreras A. Diagnóstico Microbiológico : su importancia en el tratamiento y pronóstico periodontal. Revista Facultad de Odontología, Universidad de Antioquia 14; 41-50, 2003. 17. García JD., Gomez MJ., Rosales JP., Contreras A. Microbiología en Pericoronitis aguda de terceros molares mandibulares. 11: 13-19, 2003. 18. Lafaurie G, Contreras A, Hurtado P, Arce R, Fayad I, Jaramillo A, Botero JE, Cobo E, Betancourt M. Estudios epidemiológicos de la prevalencia de microorganismos periodontopaticos en periodontitis crónicas y agresivas. Revista Científica Facultad de Odontología Universidad El Bosque 2004;10:80- 19. Betancourth M, Arce R, Botero J, Jaramillo A, Cruz C, Contreras A. Microorganismos inusuales en surcos y bolsas periodontales. Colombia Médica 2006;37:6-14.

20. Mayorga I., Lafaurie GI., Contreras A., Castillo DM., Barón A., Aya MR. Microflora subgingival en periodontitis crónica y agresiva en Bogota, Colombia : un acercamiento epidemiológico. Biomédica 2007

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INTERNACIONAL PAPERS 1: Pacheco JJ, Coelho C, Salazar F, Contreras A, Slots J, Velazco CH. Treatment of Papillon-Lefevre syndrome periodontitis. J Clin Periodontol. 2002 Apr;29(4):370-4. PMID: 11966936 2: Nowzari H, Jorgensen MG, Ta TT, Contreras A, Slots J. Aggressive periodontitis associated with Fanconi's anemia. A case report. J Periodontol. 2001 Nov;72(11):1601-6. PMID: 11759873 [PubMed - indexed for MEDLINE] 3: Kamma JJ, Contreras A, Slots J. Herpes viruses and periodontopathic bacteria in early-onset periodontitis. J Clin Periodontol. 2001 Sep;28(9):879-85. PMID: 11493359 [PubMed - indexed for MEDLINE] 4: Contreras A, Slots J. Typing of herpes simplex virus from human periodontium. Oral Microbiol Immunol. 2001 Feb;16(1):63-4.

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PMID: 11169142 [PubMed - indexed for MEDLINE] 5: Contreras A, Nowzari H, Slots J. Herpesviruses in periodontal pocket and gingival tissue specimens. Oral Microbiol Immunol. 2000 Feb;15(1):15-8. PMID: 11155159 [PubMed - indexed for MEDLINE] 6: Contreras A, Rusitanonta T, Chen C, Wagner WG, Michalowicz BS, Slots J. Frequency of 530-bp deletion in Actinobacillus actinomycetemcomitans leukotoxin promoter region. Oral Microbiol Immunol. 2000 Oct;15(5):338-40. PMID: 11154428 [PubMed - indexed for MEDLINE] 7: Slots J, Contreras A. Herpesviruses: a unifying causative factor in periodontitis? Oral Microbiol Immunol. 2000 Oct;15(5):277-80. Review. PMID: 11154416 [PubMed - indexed for MEDLINE] 8: Contreras A, Doan N, Chen C, Rusitanonta T, Flynn MJ, Slots J. Importance of Dialister pneumosintes in human periodontitis. Oral Microbiol Immunol. 2000 Aug;15(4):269-72. PMID: 11154414 [PubMed - indexed for MEDLINE]

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9: Contreras A, Mardirossian A, Slots J. Herpesviruses in HIV-periodontitis. J Clin Periodontol. 2001 Jan;28(1):96-102. PMID: 11142675 [PubMed - indexed for MEDLINE] 10: Mardirossian A, Contreras A, Navazesh M, Nowzari H, Slots J. Herpesviruses 6, 7 and 8 in HIV- and non-HIV-associated periodontitis. J Periodontal Res. 2000 Oct;35(5):278-84. PMID: 11005155 [PubMed - indexed for MEDLINE] 11: Doan N, Contreras A, Flynn J, Slots J, Chen C. Molecular identification of Dialister pneumosintes in subgingival plaque of humans. J Clin Microbiol. 2000 Aug;38(8):3043-7. PMID: 10921975 [PubMed - indexed for MEDLINE] 12: Michalowicz BS, Ronderos M, Camara-Silva R, Contreras A, Slots J. Human herpesviruses and Porphyromonas gingivalis are associated with juvenile periodontitis. J Periodontol. 2000 Jun;71(6):981-8. PMID: 10914802 [PubMed - indexed for MEDLINE]

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13: Ting M, Contreras A, Slots J. Herpesvirus in localized juvenile periodontitis. J Periodontal Res. 2000 Feb;35(1):17-25. PMID: 10791705 [PubMed - indexed for MEDLINE] 14: Contreras A, Slots J. Herpesviruses in human periodontal disease. J Periodontal Res. 2000 Feb;35(1):3-16. Review. PMID: 10791704 [PubMed - indexed for MEDLINE] 15: Hanookai D, Nowzari H, Contreras A, Morrison JL, Slots J. Herpesviruses and periodontopathic bacteria in Trisomy 21 periodontitis. J Periodontol. 2000 Mar;71(3):376-84. PMID: 10776924 [PubMed - indexed for MEDLINE] 16: Contreras A, Zadeh HH, Nowzari H, Slots J. Herpesvirus infection of inflammatory cells in human periodontitis. Oral Microbiol Immunol. 1999 Aug;14(4):206-12. PMID: 10551163 [PubMed - indexed for MEDLINE] 17: Velazco CH, Coelho C, Salazar F, Contreras A, Slots J, Pacheco JJ. Microbiological features of Papillon-Lefevre syndrome periodontitis. J Clin Periodontol. 1999 Sep;26(9):622-7. PMID: 10487314 [PubMed - indexed for MEDLINE]

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18: Contreras A, Umeda M, Chen C, Bakker I, Morrison JL, Slots J. Relationship between herpesviruses and adult periodontitis and periodontopathic bacteria. J Periodontol. 1999 May;70(5):478-84. PMID: 10368051 [PubMed - indexed for MEDLINE] 19: Contreras A, Slots J. Active cytomegalovirus infection in human periodontitis. Oral Microbiol Immunol. 1998 Aug;13(4):225-30. PMID: 10093537 [PubMed - indexed for MEDLINE] 20: Doan N, Contreras A, Flynn J, Morrison J, Slots J. Proficiencies of three anaerobic culture systems for recovering periodontal pathogenic bacteria. J Clin Microbiol. 1999 Jan;37(1):171-4. PMID: 9854085 [PubMed - indexed for MEDLINE] 21: Umeda M, Chen C, Bakker I, Contreras A, Morrison JL, Slots J. Risk indicators for harboring periodontal pathogens. J Periodontol. 1998 Oct;69(10):1111-8. PMID: 9802709 [PubMed - indexed for MEDLINE] 22: Umeda M, Contreras A, Chen C, Bakker I, Slots J.

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The utility of whole saliva to detect the oral presence of periodontopathic bacteria. J Periodontol. 1998 Jul;69(7):828-33. PMID: 9706862 [PubMed - indexed for MEDLINE] 23: Smith MacDonald E, Nowzari H, Contreras A, Flynn J, Morrison J, Slots J. Clinical and microbiological evaluation of a bioabsorbable and a nonresorbable barrier membrane in the treatment of periodontal intraosseous lesions. J Periodontol. 1998 Apr;69(4):445-53. PMID: 9609375 [PubMed - indexed for MEDLINE] 24: Contreras A, Falkler WA Jr, Enwonwu CO, Idigbe EO, Savage KO, Afolabi MB,Onwujekwe D, Rams TE, Slots J. Human Herpesviridae in acute necrotizing ulcerative gingivitis in children in Nigeria. Oral Microbiol Immunol. 1997 Oct;12(5):259-65. PMID: 9467378 [PubMed - indexed for MEDLINE] 25: Contreras A, Slots J. Mammalian viruses in human periodontitis. Oral Microbiol Immunol. 1996 Dec;11(6):381-6. PMID: 9467370 [PubMed - indexed for MEDLINE]

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26: Contreras A. Herpesviruses in human periodontal diseases. Doctoral dissertation. Umi dissertation services 1999. Bell & Howell Co. Ann Arbor, Michigan. pp 1-84. 27: Ide L., Lotufo RFM., Contreras A., Bergamashi O., Slots J. Occurrence of seven putative periodontal pathogens in the subgingival plaque of two native populations in the Xingu Indian Park. Anaerobe 2000: 6: 135-137. 28: Skerpcinski FB, Tetrev S, Rams TE, Sutton B, Contreras A, Slots J. Periodontal disease in Hopi native American teenagers. J Dent Res 1997: 76 (special issue): 349 (abstract No. 3406). 29: Slots J, Contreras A. From dental plaque to specific bacteria to herpesviruses in human periodontal disease. Periodontology reviews. Turkey- Periodontal disease microbiology and immunology. (in press). 30: Botero JE, Contreras A. Fibromatosis gingival idiopática y periodontitis agresiva (presentación de 2 casos) Periodoncia 2002 : 12: 271-280.

31. Jaramillo A, Herrera D, Arce R, Betancourt M, Contreras A, Botero J. Clinical and microbiological characterization of periodontal abscesses. J Clin Periodontol. 2005 Dec;32(12):1213-8.

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32. Botero JE., Gonzales AM., Mercado RA., Olave G., Contreras A. Subgingival microbiota in peri-implant mucosa lesions and adjacent teeth in partially edentulous patines. J Periodontol 2005 : 76 : 1470-1475. 33. Gafardo M., Silva No., Gomez L., León R., Parra B., Contreras A., Gamonal J. Prevalence of Periodontopathic bacteria in agressive periodontitis patients in a Chilean Population. J Periodontol 2005 : 76 : 289-294.

34. Botero J, Escudero M, Jaramillo A, Arce R, Betancourt M; Contreras A. Frequency detection of periodontopathic and superinfecting bacteria in HIV+ Periodontitis. J Int Acad Periodontol. 2007 Jan;9(1):13-8.

35. Contreras A, Herrera JA, Soto JE, Arce RM, Jaramillo A, Botero JE. Periodontitis is associated with preeclampsia in pregnant women. Journal of Periodontology 2006 Feb;77(2):182-8.

36. Contreras A, Herrera J, Botero J, Arce R, Jaramillo A, Soto J. Increased risk for preeclampsia in pregnant women with periodontitis and periodontal infection: A case-control study. J Periodontol. 2006 Feb;77(2):182-8.

37. BOtero JE, Contreras A, Lafaurie G, Jaramillo A, Betancourt M, Arce RM. Occurrence of periodontopathic

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and superinfecting bacteria in chronic and aggressive periodontitis subjects in a Colombian population. J Periodontol. 2007 Apr;78(4):696-704.

38. Lafaurie GI, Contreras A, Barón A, Botero J, Mayorga-Fayad I, Jaramillo A, Giraldo A, González F, Mantilla S, Botero A, Archila LH, Díaz A, Chacón T, Castillo DM, Betancourt M, Del Rosario Aya M, Arce R. Demographic, clinical, and microbial aspects of chronic and aggressive periodontitis in Colombia: a multicenter study. J Periodontol. 2007 Apr;78(4):629-39.

39. Herrera J, Parra B, Herrera E, Botero JE, Arce RM, Contreras A, Jaramillo P. Periodontal disease severity is related to high levels of C-reactive protein in pre-eclampsia. Journal of Hypertension 2007, 25:1459–1464.

40 Botero JE, Parra B, Jaramillo, Contreras A. Subgingival human cytomegalovirus (HCMV) correlates with increased clinical periodontal parameters and bacterial co-infection in periodontitis. J Periodontol 2007;78:2303-2310. 41. Botero JE, Parra B, Contreras A. Citomegalovirus y microorganismos periodontopáticos subgingivales en periodontitis crónica y agresiva. Revista Odontológica Mexicana (in press, Accepted July 2007) 42. Botero JE, Vidal C, Contreras A, Parra B. Comparison of nested polymerase chain reaction (PCR), real-time PCR and viral culture for the detection of cytomegalovirus in subgingival samples. Oral Microbiol Immunol 2008: 23: 239–244

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43. Botero JE, Contreras A, Parra B. Effects of cytomegalovirus infection on the mRNA expression of collagens and matrix metalloproteinases in gingival fibroblasts. Submitted to: J Periodontal Res (in press, Accepted September 2007). 44. Botero JE, Parra B, Contreras A. Profiling of inflammatory cytokines produced by gingival fibroblasts after HCMV infection. Submitted to: Oral Microbiol Immunol (in review 2007).

45. J.E. BOTERO, B. PARRA, and A. CONTRERAS. Clinical parameters in cytomegalovirus (HCMV) infected periodontitis patients. J Dent Res 2007;86:A:2345.

46. A. CONTRERAS, J.E. BOTERO, B. PARRA, A. JARAMILLO, and M. BETANCOURTH. Cytomegalovirus (HCMV) and periodontopathic bacteria co-infection in periodontitis patients. J Dent Res 2007;86:A:1159.

47. Villavicencio JE., Contreras A., Corchuelo J. Algunas caracteristicas del programa Academico de Odontología de la escuela de Odontología en la facultad de Salud de la Universidad del Valle – Cali Colombia. Rev Odontolog Mej 11 : 215-226 : 2007.

48. Herrera D, Contreras A, Gamonal J, Oteo A, Jaramillo A, Silva N, Sanz M, Botero JE, Leon R. Subgingival microbial profiles in chronic periodontitis

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patients from Chile,Colombia and Spain. J Clin Periodontol 2008; 35: 106–113.

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MEETINGS ATTENDED

1987 Annual Course of the Colombian Periodontal Society, Dr Raul Caffesse., Paipa- Boyaca, Colombia 1988 Annual Course of the Colombian Periodontal Society, Dr Carlos Dotto, Cali-Valle, Colombia 1989 First meeting of Dental Teachers, Universidad Pontificia Javeriana, Santa Fe de Bogota, Colombia 1990 Ethics in bio-medicine, course. Asociacion Colombiana de Facultades de Medicina, Armenia-Quindío, Colombia 1990 Advanced Course in clinical periodontics, Cali, Colombia 1990 Annual Course of the Colombian Periodontal Society, Dr Richard Nimberg, Pereira-Caldas, Colombia 1991 Annual course of the Colombian Periodontal Society, Dr Walter Hall. Manizales- Risaralda, Colombia 1992 Molecular Biology Course. Universidad del Valle, Cali-Valle, Colombia

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1993 International Periodontal Course, Dr Jorgen Slots. Universidad del Valle, Cali-Valle, Colombia 1995 Intercity Periodontal Meeting, Veterans Medical Hospital, speaker at VMH Santa Monica, California, USA 1997 American Academy of Periodontology Congress. Poster presentation, San Diego, California, USA 1997 Intercity Periodontal Meeting, speaker at Loma Linda University, California, USA 1998 Intercity Periodontal Meeting, speaker at University of Southern California, Los Angeles, California, USA 1999 Intercity Periodontal Meeting, speaker at University of California, at Los Angeles, UCLA, California, USA 2000 Qualitative research forum, at the Universidad del Valle, Dr. Carmen Cuesta, Cali, Colombia 2000 Course on Protein Structure and Function. Dr Gian Pietro Corredine

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Instituto de Inmunologia- Universidad del Valle, Cali, Colombia 2000 Annual meeting of the Colombian Society of Periodontology, Cartagena- Colombia 2001 Annual Meeting Colombian Society of Periodontology-santa Marta Col. 2001 Annual Virological Congress. Universidad el Bosque. Bogota- Colombia. 2001 Annual Dental congress. Universidad Javeriana Bogota-Colombia. 2002 Encuentro grupos de investigación en Odontología. Universidad Javeriana Bogota- Colombia 2002. German-Colombian Workshop on Health Research. Bonn- Oberkassel. Germany 2002 Virology Congress IAAC International Meeting Medellin Colombia 2002 Encuentro Colombiano de Investigaciones en Odontología ACFO Bogota Colombia. 2003 Colombian Workshop for dental Research. Research Policy ACFO Medellin - Colombia.

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2003. Curso de Nuevos conocimientos en microbiología. Santiago de Chile- Chile. 2004 Congreso Internacional sobre educación superior. La Habana, Santiago de Cuba. 2004 Encuentro Colombiano Investigaciones en Odontología ACFO. Bogota Universidad el Bosque September 15 – 19. 2004 Encuentro Internacional de Periodoncia. Medellín Colombia October 18-20. 2005 IV International Periodontics Course – August 26- 27 Cali Colombia 2006 IADR-AADR Congress. Orlando Florida USA March 8-11 2006 5 Europerio meeting - Madrid Spain June 29 to July 1 2006 Key Oral Leaders Meeting - Colgate Co. Piscataway NJ August 15 2006 V International Dental Congress October 6-7 Cali - Colombia

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2006 III Meeting on Biological Basic Science Advances November 8- Universidad de Manizales – Colombia 2007 IADR Dental Congress New Orleans MAYOR PUBLIC PRESENTATION 1995 Intercity Periodontal Meeting, Veterans Medical Hospital, speaker at VMH Santa Monica, California, USA 1997 American Academy of Periodontology Congress. Poster presentation, San Diego, California, USA 1997 Intercity Periodontal Meeting, speaker at Loma Linda University, California, USA 1998 Invited speaker and course laboratory conductor. First International Course on Periodontal Microbiology, Institute Universitario Superior da Saude , Dental School, Porto, Portugal 1998 Intercity Periodontal Meeting, speaker at University of Southern California, Los Angeles, California, USA

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1999 Intercity Periodontal Meeting, speaker at University of California, at Los Angeles, UCLA, California, USA 2000 Annual meeting of the Colombian Academy of Periodontology, Cartagena- Colombia 2001 Annual Virological Congress. Universidad el Bosque. Bogota- Colombia. 2001 Annual dental congress. Universidad Javeriana Bogota-Colombia. 2001 Encuentro grupos de investigación en Odontología. Universidad Javeriana Bogota- Colombia 2002. German-Colombian Workshop on Health Research. Bonn- Oberkassel. Germany. 2002. Curso de Microbiología Oral y Periodontal. Universidad de Chile. Santiago de Chile. 2002. IV Simposio anual de Investigaciones Facultad de Salud Universidad del Valle.

2003. Curso de Microbiología Oral y Periodontal. Universidad de Chile. Santiago de Chile.

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2004. Congreso Internacional sobre la educación en

la Universidad. La Habana Cuba. Propuesta programática sistema de postgrados en la Universidad del Valle 2004- Reunión Sociedad Chilena de Periodoncia. Santiago de Chile – Chile September 30-2004 2004- Seminario Internacional de Periodoncia- Universidad de Antioquia y Comfenalco- Medellín Octubre 21 y 22.

2005. IV International Periodontics Course – August 26- 27 Cali Colombia

2005 XVII National Annual Dental Research Meeting – ACFO – Cartagena Colombia.

2005 VII Simposio de Investigaciones-Facultad de Salud – Universidad del Valle. Octubre 26-28- Cali- Colombia. 2006 IADR - AADR Congress - Late Breaking News Orlando Fl March 10

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2006 Congreso Internacional de HIV- Sida en Odontología. Cali - Colombia April 2006 Dental faculty Periodontal program Complutense University - Madrid Spain July 10 2006 Key Oral Leaders Meeting - Colgate Co. Piscataway NJ August 15 2006 V International Dental Congress October 6-7 Cali - Colombia 2006 III Meeting on Biological Basic Science Advances November 8- Universidad de Manizales - Colombia 2007 Key Oral Leaders Meeting – Colgate New Orleans 2007 IADR Congress New Orleáns – poster presentation

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