Photojournalist since 1974 his work is represented by Corbis. He has lived in Paris and New York for several years and is presently living in Buenos Aires.
As a photojournalist he has travelled all over the world, covering stories as diverse as the Pope’s trips, the Nicaraguan revolution, President Sadat’s historic visit to Israel, the Malvinas war or the research on the artificial heart. He was President Mitterrand’s personal photographer during the 1980 presidential campaign. He photographed, in exclusive sessions, Presidents Reagan, De la Madrid, Mitterrand, Collor de Mello, Menem
His work has appeared regularly on all major publications: Time, Newsweek, Life, New York Times Magazine, Paris-Match, L'Express, Figaro Magazine, Le Point, Stern, Bunte, Epoca, Panorama, Gente, Cambio 16, London Sunday Times, The Observer, among many others.
He participated in all the “Day in the Life” book series: Australia, Hawaii, Canada, Japan, USA, China, Spain, USSR, Italy, California, Ireland and Hollywood. Most recently, in February 2002, he worked in the latest: “ A Day in the Life of Africa “
Other book projects where his work has appeared: “One Earth”, “The Power to Heal”, “Nicaragua - A Decade of Revolution”, “The Circle of Life”, “Passage to Vietnam”.
First Prize New York Press for story on candidate Alphonse D'Amato done for the New York Times Magazine in 1981.
Second Prize at the World Press for feature story on Chile and the 10th anniversary of President Allende's fall in 1984.
In 1998, “The Arrow of Time”, a personal work documenting with portraits the story of his family (http://zonezero.com/magazine/essays/diegotime/time.html) was awarded the Gold Medal at the Society of Publications Design Annual Awards competition and the Distinguished Achievement Award at the 1998 Art Directors Club of New York annual contest.
Collective photo shows at Arles; "Argentine Photography Today", San Paulo's Museum of Modern Art; Caserta, Italy, Ouro Preto, Brazil ; “Latinamerican Photography”: Burden Gallery, New York (1989) and, Contemporary Arts Museum, Houston, Texas ( 1991) Individual shows at the Teatro San Martin in Buenos Aires (1985, 2012).
In 1989 he organized the “Month of Photography”in Buenos Aires and an “International Photojournalism Workshop” in La Plata, Argentina with Susan Meiselas, Sebastian Salgado, Fred Ritchin, Bob Pledge, Abbas, Mark Bussell and Pablo Monasterio for photographers from Argentina, Brazil and Chile.
In 1991 he conducted a photojournalism workshop on “The Picture Story” at the Arles Photo Festival in Arles, France.
In 1993 he was a member of the W.Eugene Smith Grant jury as well as the World Press Photo contest.
In 1996 he was one of the Masters at the World Press Photo Masters Classes in Amsterdam.
In 1996 he gave a workshop on photojournalism at the Casa de las Américas, Cuba.
From 1996 to 2003 he was the Photo Editor at Clarin, an Argentinian newspaper with the largest circulation in all Spanish speaking countries. In 1997 Clarin’s Photo Department won the Visa D’Or Prize at the Perpignan Photojournalism Festival.
In 2003 he was a jury member of the Overseas Press Club Awards in New York.
In January 2005 he was Chairman of the Jury of the World Press Photo Contest.
In 2005 he had a one man show at the United Nations General Assembly Gallery with the “Chasing the Dream” project. (www.chasingdream.org), shot during two months in 2005.
In 2006 he was awarded the FNPI Foundation prize for his Chasing the Dream project.
In January 2007 he was again a World Press jury member.
In March 2008 he was a jury member of the CHIPP photojournalism contest in Shanghai, China
Lately he has been working on different book projects in Argentina.
In 2015 he published "Ver la Tierra", a book on the agribusiness in Argentina, Brasil and Paraguay, alongside an exhibition at the Centro Cultural Recoleta in Buenos Aires