Expedition Team

Our team is essential to the quality of your experience


The quality of our veteran staff is the reason the Lindblad name is known and respected for exceptional expeditions. Add to that the fact that National Geographic Orion’s expedition team also includes a complement of veteran naturalists well-versed in the flora, fauna and human history of the South Pacific, and you can travel with complete confidence, assured of the richest, most in-depth experience of this fascinating region possible.


Meet the expedition team for this departure

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  • David Cothran

    Naturalist/Certified Photo Instructor

    David has worked for Lindblad Expeditions-National Geographic since 1993 on six continents and in over 65 countries. David is interested in many of the natural sciences, particularly ornithology, geology and marine biology; he most enjoys contrasting the broad perspectives provided by world travel with detailed investigations of local ecosystems on land and in the sea.

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  • Keolu Fox

    National Geographic Staff

    Native Hawaiian Geneticist, indigenous rights activist, and National Geographic Explorer Keolu Fox explores the links between human genetic variation and disease in underrepresented populations. A postdoctoral researcher at the University of California, San Diego School of Medicine, he advocates for more inclusive and representative genome sequencing to allow indigenous populations to gather and analyze their own genetic data. Keolu’s current project focuses on using genome editing technologies to investigate the molecular events involved in chronic inflammatory states resulting in obesity and catecholamine resistance.

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  • Lucho Verdesoto

    Naturalist

    Born and raised in the tropical country of Ecuador, Lucho is a passionate naturalist that has been working for Lindblad Expeditions-National Geographic since 1998. With a marine biology background, he started as a naturalist in the Galápagos Islands in 1994. Since then, he has filled numerous roles with Lindblad-National Geographic, such as naturalist, undersea specialist and expedition leader in the Galápagos Islands, Costa Rica and Panama, and Baja California.

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  • Mike Greenfelder

    Undersea Specialist

    Mike learned early on that the best way to escape Ohio was to become a marine biologist.  During college at Wittenberg University he attended a semester at Duke University's Marine Lab — that time only confirmed his love for all things oceanic and maritime.  After graduation, Mike promptly moved to Catalina Island in California where he taught marine biology to school kids.  Since 1999, Mike has been working and traveling chasing his three loves: marine critters, photography, and birds.

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  • Randy Olson

    National Geographic Photographer

    Randy Olson is a documentary photographer whose work has taken him to 50 countries over the past 20 years. Concentrating on population and resource issues, as well as disappearing cultures, Randy has shot over 30 stories for National Geographic magazine covering diverse subjects, including U.S. national parks, county fairs, the global fish crisis, indigenous cultures such as the Mbuti pygmies of Congo's Ituri rainforest, and island stories from Samoa and Rapa Nui (Easter Island) to the Palmyra Atoll south of Hawaii, among many others.

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  • Tua Pittman

    Cultural Specialist

    Internationally acclaimed as a traditional master navigator, Tua has navigated canoes across the great oceans of our planet from the coastlines of Asia through to the shores of the Americas for more than 30 years, without the use of modern instruments. This Cook Islander, also of New Zealand Maori and Tahitian bloodlines, uses an ancient navigational system based upon careful observation of celestial bodies—sun, moon, and stars—as well as using ocean swells, flight patterns of birds, and other natural markers. 

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