Marcel Vigneron is an American celebrity chef best known for his award-winning restaurant and catering company, Wolf, in Los Angeles. He was also the runner-up of the second season of Top Chef, which aired in 2006–2007. In 2011, he had his own television program on Syfy, Marcel's Quantum Kitchen, in which he started and ran a molecular gastronomy experiential catering company.

He later competed on Top Chef: All-Stars in 2011, The Food Network's The Next Iron Chef in 2012, and The Food Network's Superstar Sabotage: Heat 2 on the show Cutthroat Kitchen in 2014. He has been a guest judge on several televised cooking competitions, such as Iron Chef, America’s Best Cooks, Guy's Grocery Games, and Superchef Grudge Match.