Assistant Professor 1961-1962: 

Medical School, San Juan de Dios Hospital

Ophthalmologist:

San Cristóbal Military Hospital 1958 – 1961

Head of the Department of Ophthalmology:

Central Military Hospital

Emeritus Professor (1997):

Bogotá-Colombia (1962-1979)

Founder and Manager ( since 1976 ):

National Ophthalmology Foundation 

Professor, Chair of Ophthalmology (1997):

Medical School

Emeritus Professor (2004):

Rosario University

Qualified by the American Board of Ophthalmology (1956)

Author of 195 publications (contributions in 17 books), editor in five books.

Ophthalmologic Societies memberships:

IN COLOMBIA: 
- Former Students of the National University
- Colombian College of Surgeons
- Colombian Society of Ophthalmology and Otolaryngology
- Association of physicians specialized in Ophthalmology and Otolaryngology 
- Colombian Society of Ophthalmology

IN USA:
- Pan-Americana Association of Ophthalmology (since 1959)
- American Academy of Ophthalmology (1958) , 
- American College of Surgeons (1962). 
- Retina Society (1968) (Emeritus member 1993)
- Macula Society (1979) 
- Vitreous Society (1982)
- Schepens International Society (1988) 

IN EUROPE:
- Jules Gonin Club. (Lausana-Suiza) (since 1972)
- Barraquer Institute (Barcelona)
- Member of the International Council of Ophthalmology (ICO) (1994 – 2002) and of the Academia Ophthalmologica Internationalis (AIO) (since 1995).
- Member of 15 national and international scientific societies (Colombia, Argentina, Cuba, Dominican Republic, Ecuador, France, México, Spain and Venezuela). 
- International Society of the League against blindness
- Guest of Honor: American Academy of Ophthalmology Meeting, International Congress of Ophthalmology,San Francisco, CA (1982)

FORMER PRESIDENT:
- Colombian Society of Ophthalmology (1973 – 1975)
- Pan American Association of Ophthalmology (1983 - 1985)
- GLADAOF Latin American Group of fluorescein, laser and vitreoretinal surgery (1997 – 1998)
- Honorific president of the ACOREV (2003) 

Awards:
- Medical Order José Fernández-Madrid (1970) - Bogotá
- Medical Order Jorge Bejarano - Bogotá
- Heraldic Order Cristóbal Colón (1987) – Dominican Republic
- Knight of the Holy Sepulchre (Roma - 1988)
- Civil merit award Ciudad Santa Fé de Bogotá

MEDALS:
- Distinguised Services, Military Hospital (1978)
- Colombian Society of Ophthalmology (1981)
- Presidential Medal – Pan American Association of Ophthalmology (1983)
- National Ophthalmologic Foundation (1989)
- Association of former students of Ophthalmology at the Central Military Hospital Bogotá (1990)
- First Lecture –Third Meeting of the Central Association of Ophthalmology (1995)
- Institute for Blind and Dumb Children – Cali 
- Benjamín F. Boyd Medal
- Silver, Bronze and Glass plaques, Medals and Scrolls

MEETINGS: 
National, Regional, Pan American, World and in special groups presenting papers.

Emeritus Professor, Bogotá:

- Military University (1997)
- Rosario University (2005)