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. You can travel with confidence with our French Polynesia travel guides, assured of the richest, most in-depth experience of this fascinating region possible.


Meet the expedition team for this departure

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  • Adam Cropp

    Expedition Leader
    A passionately curious person by nature, Adam spends his time exploring remote destinations around the world with like-minded adventurers and sharing his extensive knowledge about the local flora and fauna.  He specializes in the sexual reproduction of marine organisms making his lectures not only educational and eye opening, but extremely entertaining! 

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  • Alex Searle

    Cultural Specialist
    Born in Chile and raised in Argentina, Alex spent his childhood living in different parts of these countries and getting to know the local cultures.

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  • Alexandra Van Nostrand

    Assistant Expedition Leader
    Alexandra is happiest when chasing waterfalls, exploring wilderness, or reveling in a good story. Her travels have brought her from Asia, to Central and South America, the Pacific Islands, across the United States and up to Alaska.  She is fascinated by ice in all its forms and loves to revel in the vastness of the polar regions and is thrilled to take her adventures to the sea after many years of hoofing it across various continents.

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  • Chris Cook

    Undersea Specialist
    A self confessed “animal nerd,” Chris falls under many titles: marine biologist, marine interpreter, dive master, science communicator, and naturalist. Chris was lucky enough to grow up on the East Coast of Australia, where there are no shortage of different coastal environments to explore. While growing up, his friends would be surfing while he would be under the waves, snorkel and mask on looking for fish and all the weird and wonderful creatures he couldn’t get enough of. This love of the ocean lead to him completing a Bachelor of Science in 2005.

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  • Cristina Mittermeier

    National Geographic Photographer
    Photographer Cristina Mittermeier dedicates her life to creating images that help us understand the urgent need to protect wild places. Born in Mexico, Cristina first discovered her insatiable passion for the natural world, both above and below the surface, as a marine biologist working in the Gulf of California and Yucátan Peninsula. From there, it didn’t take long for her to realize that she could make a bigger impact on how people see the world, and connect to it, through the lens of her camera than through data on spreadsheets. Specializing in conservation issues surrounding the ocean and indigenous cultures, Mittermeier has worked in more than 100 countries on every continent in the world.

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  • Jeff Litton

    Naturalist/Certified Photo Instructor
    Jeff is an environmental filmmaker and adventure cinematographer. His passion for adventure has led him through rural Kenyan villages, atop erupting Guatemalan volcanoes and to the enchanted Galápagos Islands to film Hammerhead Sharks. Being an expedition filmmaker enables Jeff to combine his love for capturing beauty with his drive to protect the environment. In the words of Jacques Cousteau, “people protect what they love.” Inspired, Jeff created UGENA.org, the United Global Environmental News Agency, an online resource to inspire people to care about the environment.

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  • Martin Cohen

    Naturalist
    Martin grew up in Melbourne playing cricket and Australian Rules football. While growing up, and to his parents’ dismay, Martin brought home and kept a menagerie of wildlife including frogs, lizards, turtles, and even poisonous snakes!

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  • Steve Ewing

    Video Chronicler
    Born and raised in the Pacific Northwest, Steve fell in love with the beauty of the natural world at an early age. In addition to nature, his other main passion was telling stories though the medium of television and radio. Steve studied broadcast journalism at the University of Oregon. There, he learned how to shoot, edit, and report compelling stories using digital video.

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  • Tom Ritchie

    Naturalist
    Tom is a zoologist and naturalist who has worked in the field of expedition cruising almost since its inception by Lars Lindblad.  Growing up near the Everglades allowed him to spend his youth exploring the swamps, marshes, forests, and reef systems of South Florida, a perfect training ground for his life with Lindblad Expeditions-National Geographic.

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