According to the bio on his website: "Jeffrey Layton is a professional engineer who specializes in waterfront and coastal engineering. He received his B.S. and M.S. degrees in civil engineering from the University of Washington. Jeff is a member of the American Society of Civil Engineers. He is also a member of the Authors Guild, Pacific Northwest Writers Association, and International Thriller Writers, Inc. Jeff uses his knowledge of diving, yachting, offshore engineering and underwater warfare in the novels he writes. He lives in the Pacific Northwest."