David Muir

David Muir is the weekend anchor for the flagship ABC News broadcast "World News" and reports from the scene of major news events around the world. Most recently, Muir reported from Tahrir Square during the revolution in Egypt, from Fukushima, Japan following the tsunami and nuclear accident, and from Kenya and Somalia during the famine. Here at home, Muir reported from Joplin, Missouri in the hours after the tornado and from Tucson after the shooting of Congresswoman Gabrielle Giffords. Muir is now a lead correspondent on the 2012 Presidential election as part of ABC News' 'Your Voice, Your Vote.'

In addition, Muir is a principal substitute for "World News with Diane Sawyer," and "Good Morning America." Muir reports for all ABC News broadcasts and platforms, including "World News with Diane Sawyer," "Good Morning America," "20/20" and "Nightline." Muir is also a contributing anchor for ABC News hours in primetime.

Muir joined ABC News in August 2003 as anchor of the overnight news program "World News Now" and quickly moved on to become one of the network's lead correspondents on domestic and international news. A multiple Emmy-award winning correspondent, Muir has reported from across the globe, including Egypt, China, the Middle East, South America, Eastern Europe, South Africa and throughout the United States. Muir has anchored "World News" from Cairo to London to Beijing.

Lou Rocco/ABC

ABC News' David Muir.

Muir reports extensively on the economy, including World News' continuing series, 'Made In America.' In November 2010, Muir traveled to China with ABC's Diane Sawyer to report on the second largest economy in the world. Muir joined Sawyer as she anchored "World News with Diane Sawyer" from Shanghai and Beijing. In the summer of 2010, Muir made four trips to the Gulf to cover the BP oil spill. In January 2010, Muir reported from Haiti after the earthquake. In July 2010, Muir traveled back to Haiti uncovering attacks on women and the unfolding mental health crisis in Port au Prince.

In April 2009, Muir teamed up with Sawyer for a primetime hour on guns in America. In March 2009, his reporting on "20/20" revealed the growing ranks of homeless children in America.

During the 2008 presidential election, Muir was part of the network's "Vote 2008" coverage, reporting and anchoring from Iowa, New Hampshire and South Carolina and reporting from Ohio on Election Night. Muir reported from Pennsylvania Avenue on Inauguration Day.

Overseas, in August 2008, Muir reported on the aftermath of the earthquake that devastated China's Sichuan Province. Muir reported from the Israeli-Lebanon border in August 2006, where he covered the Israeli war with Hezbollah. He was also in Gaza in June 2007 to cover the Hamas coup, reporting from inside the Gaza Strip. In August 2007, he was sent to Peru to cover the worst earthquake in that country in more than 35 years, and in March 2008, he reported from Ukraine more than two decades after the Chernobyl nuclear accident.

Muir anchored and reported from the 2010 Winter Games in Vancouver and the 2008 Summer Olympics in Beijing.