Snorkel or dive nearly every day as you discover the western corner of Micronesia. You'll also meet friendly locals, who will greet you with traditional dances; search for island endemics and a multitude of seabirds; and tour the archaeological site of Nan Madol.
Cofounder & Marine Biologist
A marine biologist and professional naturalist, Jack has spent much of the past two decades traveling on, and lecturing about, the world's oceans. Cofounder of Zegrahm Expeditions and research associate in the Section of Fishes at the Los Angeles County Museum of Natural History, Jack is a leading authority on the fishes and marine environments of the eastern tropical Pacific. For seven years he lived in the Galápagos, where he carried out extensive marine biological studies. In 1997, Stanford University Press published his comprehensive volume The Fishes of the Galápagos Islands, and he received his Ph.D. from Pacific Western University. A true adventurer and Fellow of The Explorers Club, Jack has led numerous expeditions to the remote corners of the world, participating in polar expeditions as a marine naturalist, photographer, and expedition leader, as well as working with noted scientists and explorers such as Jean-Michel Cousteau. Jack is an avid scuba diver, certified divemaster, and dedicated conservationist. In 2002 he was one of 57 scientists invited by the World Conservation Union (IUCN) to participate in a conference in Hanoi to discuss a strategy for the preservation of marine biodiversity. When not traveling, he manages his own photography business in the Florida Keys.
Jack's Blog Posts
Jack's Upcoming Expeditions
Best of Micronesia: Rabaul to PalauMarch 3 — March 20, 2019
Papua New GuineaSeptember 20 — October 6, 2019
Highlights of our return to Papua New Guinea include snorkeling or diving among some of the most biodiverse waters in the world; meeting friendly Trobriand Islanders; and watching the spectacular fire dances of the Baining tribe.
Tahiti to Easter Island: Marquesas, Tuamotus & PitcairnsOctober 10 — October 29, 2019
Beyond the typical Polynesian paradise, one may delve deeper, to find aquamarine lagoons affording the world’s most dazzling snorkeling and diving, an intriguing Easter Island tour and the sky-piercing volcanoes of the Marquesas.
Ultimate Seychelles with Aldabra AtollFebruary 14 — February 29, 2020
Enjoy snorkeling and diving in the Seychelles; spend two full days exploring the Aldabra Atoll; and discover the unique flora and fauna of the region.
Philippines with Palau & TaiwanFebruary 29 — March 16, 2020
On this exotic Philippines tour, explore mangrove forests and scenic coastlines on numerous Zodiac excursions, while nature hikes reveal the amazing biodiversity of these isolated islands. A special highlight is the opportunity to interact with native cultures whose customs are reflected in their intricate tribal dress, colorful dances, and rich folklore.
Wild Kamchatka with the Kuril IslandsMay 20 — June 4, 2020
Search for the region's prolific wildlife on Zodiac cruises and naturalist-guided walks. Witness huge concentrations of seabirds in a frenzy of breeding activity, step ashore on beaches crowded with northern fur seals and Steller's sea lions, and photograph stunning scenery, including wildflower studded tundra backdropped by volcanic peaks.
Melanesia, Solomon Islands & VanuatuSeptember 10 — September 27, 2020
Introducing the extraordinary diversity of Melanesia and its fascinating people, our award-winning journey to these idyllic islands features incredible bird-watching opportunities, elaborate local traditions and ceremonies, snorkeling over pristine coral reefs, and much more.