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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  • 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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  • James Coleman

    Naturalist
    Jamie is from England. He grew up in Oxford, about as far from the sea as you can get in the UK, yet somehow decided he would work in marine biology and conservation. Ever since he reached his teens, he has dedicated time to this passion, working and volunteering in various roles on nature reserves and in aquariums. It was no surprise that in 2007, he left home to study marine biology at the University of Newcastle.

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  • Jimmy White

    Expedition Leader
    Jimmy has been coordinating education and research teams for national universities, international non-government organizations, and documentary companies for more than 10 years. Jimmy’s expertise lies in the coordination and implementation of field education and remote area research.

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  • John Mitchell

    Naturalist
    Raised in the mountains of Crested Butte, Colorado, John has always been a “child of nature,” where the natural world around him was life’s classroom.  After graduating from Colorado State University with degrees in Speech Communication and Biology, John joined Lindblad Expeditions.  Over the years with Lindblad he tried to learn every aspect of vessel operations while spending his “free time” learning all that he could from the naturalists on board.  His time off the boats was spent traveling throughout North, South, and Central America learning more about the areas.  John left “for a spell” to pursue a post-graduate degree in marine ecology in Hawaii, fell in love with island life and now calls Maui home.

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  • Krista Rossow

    National Geographic Photographer
    For more than a decade, Krista Rossow has worked as a photographer, photo editor, and educator for National Geographic. She began her career as a photo editor at National Geographic Traveler magazine, where she shaped compelling stories from world-class imagery. As a freelance photographer she has shot feature stories for Traveler in New Orleans, San Francisco, South Africa, Costa Rica, and most recently in Asheville, North Carolina. She regularly judges Instagram contests for @NatGeoTravel and photo edits for National Geographic Books. 

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  • Maya Santangelo

    Divemaster
    Maya was born and raised in Southern California, where her curiosity for the natural world was encouraged from an early age. Relocating to Sydney, Australia with her family at 11 years old, she learned to scuba dive, eventually becoming a PADI Instructor. Her fascination for the underwater world undoubtedly fueled her interest to study marine biology at James Cook University. Working as a professional guide in some of the world’s top dive destinations, including Palau and Mexico’s Guadalupe Island and Revillagigedo Archipelago, Maya realized a passion for sharing her love for the ocean with others, and the value of citizen science in the dive industry.

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  • Michael Nolan

    Naturalist/Certified Photo Instructor
    Michael Nolan was born in Bitburg, Germany to an Air Force family stationed there. His first experience of the ocean came at age 12, when he learned to snorkel in the Italian Mediterranean. At age 17 he moved to Tucson, Arizona and became a PADI SCUBA instructor, before starting a SCUBA diving business that specialized in diving trips to the Sea of Cortez.

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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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  • Peter Webster

    Divemaster
    Born in Scotland, Peter became fascinated with nature and wildlife from a very young age. This early interest led to him earning a degree in conservation biology followed shortly after by an M.Sc in marine and fisheries ecology. He is currently studying for another M.Sc in digital mapping. After working as a commercial diver for several years Peter was offered the position of Field Diving Officer with the British Antarctic Survey in 2012. He then spent the next 16 months in the Antarctic, stationed at Rothera Research Station, on the peninsula where he managed the dive operations and a team of scientific divers working on a wide range of research on climate change, ocean acidification, and increased seabed disturbance by icebergs. As well as diving Peter also spent several months in the Antarctic deep field working in aircraft operations, depot laying, and meteorological work whilst living in tents in conditions below -30oC. 

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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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