Dirk Cussler, an MBA from Berkeley, worked for many years in the financial arena and now devotes himself full-time to writing. He is the coauthor with Clive Cussler of Black Wind, Treasure of Khan, Arctic Drift,and Crescent Dawn.For the past several years, he has been an active participant and partner in his father’s NUMA expeditions and has served as president of the NUMA advisory board of trustees. He lives in Arizona.