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 complete confidence with our Tahiti 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

    Naturalist/Certified Photo Instructor
    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

    Naturalist
    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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  • 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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  • James Napoli

    Video Chronicler
    Jim was born in rural New England where he quickly developed an appreciation for the outdoors and a love of exploration.  Four years with the U.S. Navy further enhanced his appetite for travel. Always interested in the visual arts, he studied Television at Boston University and Northeast College of Communications, landing his first job in the industry working as an editor at a Boston television station. His wanderlust drew him to a job with two major cruise lines; installing and managing broadcast centers onboard a total of over a dozen ships. He has since moved on to specialize in expedition travel and wildlife productions.  

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  • Jeff Mauritzen

    National Geographic Photographer
    National Geographic photographer and naturalist Jeff Mauritzen traveled to Africa, South America, and the Pacific on assignment photographing wildlife for the Society's most recently published Animal Encyclopedia. Jeff is also a seasoned and popular photography expert, guiding and lecturing on natural history-focused trips for National Geographic Expeditions. His adventures have immersed him in vivid landscapes in all seven continents and more than 60 countries around the world. Whether capturing 360-degree panoramas of wildlife along an African savanna or photographing sharks in the Pacific depths, Jeff’s work expresses an unwavering passion, respect, curiosity, and awe for the natural world. An avid traveler and explorer, Jeff has lived in Venezuela and Ireland, as well as at sea aboard seven different ships. His photography is represented by National Geographic Creative and has appeared in over a dozen National Geographic books, the Society’s website as well as a feature in National Geographic Traveler Magazine.

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  • Jen Martin

    Expedition Leader
    Jen was born and raised in the beautiful, but land-locked, state of Colorado. As a child, she spent almost every summer camping, hiking, or backpacking in the mountains, which awakened her passion for the natural world. Her love of travel originated at an early age, by parents who introduced their children to the value of exploration.  Jen started her naturalist career as a motor coach driver and nature/history guide in Alaska. She immediately fell in love with the amazing beauty and wildness of the place.  After a few years, she transitioned to small ships as a naturalist and expedition leader.

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  • Johanna Werminghausen

    Assistant Expedition Leader
    Johanna grew up landlocked in a small town in Southern Germany. She realized at an early age that she wanted to see more of the world than the foot of the Swabian Alps and every year, she would beg her parents to spend the summers near the sea. 

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  • Melo Veron

    Divemaster
    Born in France and a dive instructor since 1999, Mélo has traveled the planet for many years and spent more than 7,500 hours underwater. She has explored the seas and lakes of France and Europe, the Maldives, Indonesia, Australia, Thailand, Egypt, the Caribbean, South America, and East Africa, but for the last six years she has called Polynesia home. From the moment she arrived she fell in love with the spectacular fish-filled waters and sublime colors that only the South Pacific can provide. Along with her divemaster husband Vincent Truchet, Mélo will manage and guide our guest dive program aboard NG Orion.

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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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  • 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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