ABC News Reporters

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… Read more

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… Read more

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.

Pierre Thomas covers the Justice Department for ABC News. He joined the network in November 2000 and reports for “World News with Charles Gibson,” “Good Morning America,” “Nightline” and other ABC News programs.

Nick Watt is a London-based correspondent for ABC News. His first story as a reporter was the U.S. Marines’ assault on Fallujah in November 2004, for which he won an Emmy. In December 2005, he covered the Asian tsunami from Sri Lanka, Banda Aceh and… Read more

Ned Potter is the science correspondent for ABC News. An ABC News correspondent since July 1987, Mr. Potter came from CBS News, where he was a correspondent in the Chicago and Boston bureaus from 1980 to 1987. His assignments there included science and technology, labor… Read more

Mike Von Fremd is an ABC News correspondent based in Dallas. Von Fremd’s recent assignments have included covering the Iraq war from Baghdad and Hurricane Katrina from New Orleans and the Mississippi Gulf Coast. He also reported on the collapse of Enron and the trial… Read more

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… Read more

Martha Raddatz is Chief White House correspondent for ABC News. Raddatz was promoted to her current role in November 2005, after six years with ABC News. Raddatz began her tenure at ABC News in 1999 as the network’s State Department correspondent and became ABC’s senior… Read more

Lisa Stark is a correspondent for ABC News. Lisa was named a correspondent for ABC News in 1994. In her current position she specializes in reporting on federal agencies, covering the Food and Drug Administration, Federal Aviation Administration, National Transportation Safety Board, the Department of… Read more

Kate Snow is a co-presenter of Good Morning America Weekend Edition on ABC. Snow also frequently appears on the weekday Good Morning America and World News with Charles Gibson as a fill-in anchor or correspondent. Snow joined ABC in 2003 as Good Morning America’s White… Read more

Jonathan Karl is Senior National Security Correspondent for ABC News. He covers the Pentagon, the intelligence agencies, and the State Department on behalf of “World News With Charles Gibson,” “Nightline,” and “Good Morning America.”

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