He has spent decades covering some of the biggest stories in the world, and now journalist Tom Llamas has stepped into the role of anchor and managing editor of NBC Nightly News. Taking over for Lester Holt has extra meaning for Llamas, who was Holt’s production assistant more than 20 years ago. Watch the full interview with Houston Life co-host Derrick Shore to learn more about Tom's professional and personal life.

NBC’s veteran anchor Lester Holt will soon be stepping down from the network’s flagship “Nightly News” broadcast.

Lester Holt, who has been the anchor and managing editor of “NBC Nightly News” for the past decade, announced on Monday his decision to step down from the broadcast at the start of summer.

NBC Nightly News anchor Lester Holt is starting the week in Houston as part of the network’s week-long special coverage on the state of the climate crisis. The network-wide series “Climate Challenge” will include exclusive reporting on TODAY, NBC Nightly News, Meet the Press, and NBCNews.com.

FILE - "NBC Nightly News" anchor Tom Brokaw delivers his closing remarks during his final broadcast, in New York on Dec. 1, 2004. Brokaw says he is retiring from NBC News after working at the network for 55 years. (AP Photo/Richard Drew, File)(AP) – Longtime NBC News anchor Tom Brokaw, once television news' most popular broadcaster as he told viewers about the biggest events of that late 20th Century, said Friday that he's retiring from television. In 2013, Brokaw was diagnosed with multiple myeloma, an incurable blood cancer that affects the bone marrow. Brokaw said the coronavirus pandemic, which has killed more than 400,000 Americans in the past year, was the country's greatest test since the Civil War.