Dr. Joel W. Martin is Curator of Crustacea and Chief of the Division of Invertebrate Studies at the Natural History Museum of Los Angeles County. He is also an adjunct professor at the University of Southern California and at UCLA. His research interests include the morphology, natural history, and evolutionary relationships of crabs, lobsters, shrimps, and their many relatives. His research has benefitted from more than 20 grants from the U.S. National Science Foundation, and he is an elected Fellow of the American Association for the Advancement of Science. Martin is also an ordained elder in the Presbyterian Church USA, where he works with the high school youth ministry.