Sam Kass is an American chef and food policy expert known for his work in promoting healthy eating. He served as the White House chef during the Obama administration and played a key role in the Let's Move! initiative, which aimed to combat childhood obesity through better nutrition and physical activity. In addition to his culinary skills, Kass has been involved in various food-related projects and organizations. He co-founded the Food Policy Action organization, which advocates for policies that support sustainable food systems. Kass continues to influence the conversation around food and health through his writing and public speaking engagements.