Washington, Feb. 21 -- 'America's Next Top Model' producer David St. John has passed away.

According to Variety, David, who worked on popular reality shows, died on December 19 in Seattle after battling pancreatic cancer. However, his death was only recently announced. He was 56.

He began his career at MTV, where he worked on the show TailDaters. He started as an assistant and worked his way up to story producer. Later, he became a key part of America's Next Top Model, co-executive producing more than 100 episodes of the hit show.

As per Variety, while remembering John, Drew Tappon, Head of Unscripted Development at the Oprah Winfrey Network, said, "To be in David St. John's orbit meant that you were witness to an astonishingly bright ...