Expedition Team

Top experts make the most of your time


Our experienced expedition leader and a team of eight naturalists are your conduit to an extraordinary experience. And the certified photo instructors on board, ours exclusively, are there to help you capture the incredible photo ops—from wildlife to panoramic landscapes, from portraits of people to scenes of village life. The undersea specialist will reveal the deep, while our wellness specialist helps you benefit from the tonic of wildness. And our video chronicler will record the entire voyage creating a permanent record for you. Count on the Global Perspectives guest speaker to share the voyage as well as relevant insights with you.


Meet the expedition team for this departure

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  • Andy Wolff

    Assistant Expedition Leader
    A Midwestern kid with an insatiable curiosity about places far and foreign, Andy has converted a lucky break after college into a career at sea. From swabbing the decks to advocating for artisans and zooming in Zodiacs, he knows the operation from every department on board. What keeps him fresh after nearly two decades working at sea is waking up somewhere new every morning, the day ahead a blank slate with no way of knowing what marvels nature and serendipity may bring his way. Andy looks forward to sharing this sense of wonder and possibility with guests as they venture together into new realms with Lindblad Expeditions-National Geographic.

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  • David Barnes

    Historian
    David studied history at the University of York in England and theology at the University of Wales. Research in the field of religious history (at Cardiff) followed on naturally. He has spent most of his professional life teaching history, most recently in adult education departments within the University of Wales where he has taught a wide variety of courses pertinent to the wider Atlantic world. In 1988, he made his first lecture-tour of the U.S. for the English Speaking Union. He has published extensively on Welsh history and topography–his most recent book being the Companion Guide to Wales (2005)–and is a frequent contributor of articles and reviews to Welsh cultural and literary journals. In the1990s, David was active in the field of international education, traveling worldwide and spending a year in the U.S. (in Atlanta and New York City). He speaks English and French in addition to his native Welsh.

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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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  • Dennis Cornejo

    Naturalist
    Dennis began scuba diving during the mid-1970s as part of a research project. At the time he was a research associate at the Arizona-Sonora Desert Museum in Tucson, Arizona, studying the population of winter hibernating sea turtles.  What began as a scientific study soon became a conservation project that expanded to three species of sea turtles along the entire Pacific coast of Mexico.  This project received major funding from the World Wildlife Fund and was eventually taken over directly by that agency with Kim Clifton and Dennis Cornejo as co-principal investigators.

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  • Doug Gualtieri

    Naturalist
    Doug’s passion for the natural world started at an early age in his home state of Michigan. He received two biology degrees from Central Michigan University, and later went on to get a master’s degree in conservation biology. His education led him to study a diverse range of natural sciences, with an emphasis on ecology, animal behavior, and migratory birds. Shortly after leaving the academic world, Doug migrated north to Alaska with his trusty Siberian husky, Koda. He began working as a naturalist in Denali National Park in 1999. For over seven years he has shared his love of Alaska and Denali’s six million acres with Lindblad Expeditions-National Geographic guests, as trip leader for the Denali Land Extension based at the North Face Lodge deep within the park.

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  • Kristine Tompkins

    Global Perspectives Guest Speaker
    Kristine McDivitt Tompkins is the president and co-founder of Tompkins Conservation, an American conservationist, and former CEO of Patagonia, Inc. For over 25 years, she has committed her career to protecting and restoring Chile and Argentina’s wild beauty and biodiversity by creating national parks, restoring wildlife, inspiring activism, and fostering economic vitality as a result of conservation. Having protected approximately 14.5 million acres of parklands in Chile and Argentina through Tompkins Conservation and its partners, Kristine and Douglas Tompkins, her late husband who died in 2015, are considered some of the most successful national park-oriented philanthropists in history.

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  • Krystle Wright

    Photographer
    Krystle Wright is an adventure photographer, cinematographer, and director from Australia, although she now lives a semi-nomadic lifestyle in her quest to capture and present unique moments from extreme sports, expeditions, and adventures across the globe. National Geographic lists Krystle as one of the leading female adventure photographers who is pushing the limits in the industry. The world has no boundaries, and she will do whatever it takes to shoot from her unique perspective–whether hanging from precarious positions on remote cliff edges, swimming through jagged, unexplored canyons, or trudging for days through baleful weather. For Wright, it’s about that final experience–capturing a fleeting moment, sharing a treasured insight, telling incredible stories about impassioned endeavors that might otherwise go undocumented.

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  • Sarah Culler

    Video Chronicler
    Sarah was raised on a multi-generational family dairy farm, established circa 1815 in Lucas, Ohio. Consequently, her first paying job was milking cows! Rewarding as it was to get paid for the first time, she found her passion behind the lens of a camera. Growing up on the farm gave her not only a strong work ethic but also the love of nature and being outdoors. 

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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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