Seth Casteel

Seth Casteel is an American self-taught photographer and New York Times bestselling author known primarily for his iconic photographs of underwater dogs. He began volunteering in 2007 to photograph homeless pets to help them find families and later founded the non-profit One Picture Saves a Life to support animal rescue initiatives. His work has been published in National Geographic and The New York Times, and he has authored multiple books including Underwater Dogs and Underwater Puppies.