Colin Cowie - Based in New York City, Los Angeles, and San Francisco Over the last two decades, Colin Cowie has become a major force, designing and producing events around the globe, ranging from intimate gatherings for 50 to grand-scale productions for more than 5,000. And it has quite the client list: Oprah Winfrey, Jennifer Aniston, Jennifer Lopez, and Kim Kardashian West have all enlisted Cowie’s services.