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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  • Alexandra Van Nostrand

    Assistant Expedition Leader
    Alexandra is happiest when chasing waterfalls, exploring wilderness, or reveling in a good story. With a background in experiential learning, logistics and global fieldwork, she loves to marvel in the vastness of the polar regions and is thrilled to adventure on the world’s oceans after many years hoofing over various continents. 

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  • Alyssa Adler

    Divemaster
    Originally from Oregon, Alyssa has always had a strong relationship with nature and the outdoors. In search of a life full of adventure, she found her passion for the ocean while studying at Oregon State University. She graduated in 2012 with a B.Sc. in marine biology, a minor in chemistry, and a PADI divemaster certification. The year following graduation included extensive traveling and diver training, gaining experience in Greece’s Ionian Sea, the Caribbean waters of Honduras and Bonaire, and the Galapagos Islands of Ecuador.

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  • Dexter Sear

    Video Chronicler
    Dexter grew up in England where a love for exploring the countryside ignited a lifelong passion for discovering natural history and embarking on adventure. As a teenager, two trips to India sparked a fascination with insects and a desire to share a “hidden” macro world was born. He produced a popular insect website and authored a reader digest about cultural entomology.

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  • Jamie 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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