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Miguel Marquez - Biography and Images

Miguel Marquez is a ABC News Correspondent based in London.

Since joining ABC News in May 2005, Marquez has spent several months in Iraq covering the war, politics and the ongoing sectarian violence. He reported from Iraq during one of the deadliest months for the US military since the war began.

Dr. Timothy Johnson is the current medical editor/contributor for ABC News. He provides on-air medical ABC’s World News Tonight, Nightline and 20/20. He also appears on Good Morning America. Johnson is on the faculty of Harvard Medical School and on the staff of Massachusetts General…

Steve Osunsami is an correspondent for ABC News based in Atlanta. He contributes reports to “World News with Charles Gibson” and other ABC News broadcasts and platforms. Osunsami began his network career at ABC News in April 1997, as a correspondent for NewsOne, ABC’s affiliate…

Ron Claiborne is the news anchor for ABC News’ weekend edition of Good Morning America. Claiborne came to ABC News in 1986 and has been a general assignment correspondent based in Boston, reporting for World News Tonight, Nightline and Good Morning America.