Captain Stephen Nagiewicz is a former dive charter boat operator and acknowledged authority on shipwrecks and scuba diving. He is the former chairman of the board of trustees of the Shark Research Institute of Princeton and is co-expedition leader of the R.J. Walker Shipwreck Mapping Expedition off Atlantic City. He is a licensed USCG master and professional diver with over four thousand scuba dives. He currently teaches environmental and marine science in high school and college and lives in Brick, New Jersey.