He has led and worked on more than 30 maritime archaeology projects around the world, including Greek and Roman shipwrecks and harbors, Sweden’s iconic warship, Vasa, Confederate Blockade Runners in North and South Carolina, ship graveyards in Bermuda, and various sites in the Caribbean Sea, Pacific Ocean, and the Great Lakes. Since 2015, he has co-directed the only maritime archaeology field schools in Massachusetts with cooperation of the Massachusetts Board of Underwater Archaeological Resources, The Trustees of Reservations, and the National Park Service, and has run maritime archaeological summer programs for middle and high school students. He currently is involved in several projects in Massachusetts, including the archaeological investigations of 1626 Sparrow Hawk.