Expedition Team

No more experienced polar team exists in travel


Our experienced Arctic travel guides and a team of eight naturalists are your conduit to an extraordinary Arctic experience. And the National Geographic photographer and Lindblad-National Geographic certified photo instructor on board, ours exclusively, are there to help you capture the incredible wildlife photo ops. 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 and relevant insights with you.


Meet the expedition team for this departure

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  • Adam Cropp

    Naturalist
    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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  • 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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  • Andreas Madsen

    Naturalist
    Andreas was born in the village of Ebeltoft on the central east coast of Denmark and has spent his childhood years with the sea and open fields as neighbours. For a child of the North, fishing, bicycling, skiing, and hiking come along with your first steps and nature has always had a self-explanatory role in Andreas’ life. Between studies he left Denmark to travel and it was during his months in South America he discovered his curiosity and interest for geology. In 2013 he left Ebeltoft for the big(ger…) city Aarhus to begin his geology studies at Aarhus University. During his five years there he has been involved in different types of research projects, taking him to remote places such as Iceland, Svalbard, Greenland, and the Geographic North Pole. His latest research project, which investigates aspects of narwhal biology and ecology from a vessel in Scoresby Sound, Greenland, has been ongoing since 2017.

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  • Ashley Karitis

    Video Chronicler
    Ashley was raised in the foothills of the Cascade Range in Central Oregon. After childhood careers in ski racing, equestrian sports, classical piano, and summer jobs on a dude ranch, she emerged as a unique hybrid of adventuress, hobby farmer, and storyteller. 

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  • Bud Lehnhausen

    Naturalist
    Bud received an undergraduate degree in wildlife biology at Colorado State University. He then immediately went to Alaska where he worked and lived for 30 years. At the University of Alaska, Fairbanks, Bud studied wildlife biology and received a master's degree conducting research on four species of alcid seabird nesting on a remote island in the Gulf of Alaska.

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  • Carl Erik Kilander

    Naturalist
    Carl was born in Norway and received a master’s degree in forestry and nature conservation from the Norwegian University of Life Sciences in 1973. His professional experience is mainly connected to environmental issues and natural resource management on the Norway mainland and in Svalbard. A major part of his professional experience comprises planning and management of protected areas, particularly in the southern parts of Norway and Svalbard. During the period 1999-2001 Carl was Head of the Environmental Department at the Governor of Svalbard´s office. He has also been District Manager (southwestern Norway) followed by the position of Senior Environmental Adviser at the Norwegian State Forest Service.

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  • David Berg

    Expedition Leader
    David is an accomplished professional guide and polar Expedition Leader from Sweden. He has spent a big part of his life traveling between the Arctic and Antarctic, working as a full-time adventure guide. David has a wide range of experience having led expeditions in Svalbard, Greenland, Scotland, Iceland, the Faroe Islands, South Georgia, the Falkland Islands and of course Antarctica. In May 2016 David completed an unsupported crossing of Greenland’s inland ice following the footsteps of one of his heroes, Fridtjof Nansen. The 600 kilometer long journey across the ice totaled 27 days. Furthermore, he has spent several winters driving snowmobiles and guiding for Sweden’s IceHotel, often in temperatures dropping down to minus 40 degrees.

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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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  • Jim Kelley

    Naturalist
    A native of California, Jim has been going to sea for most of his life. Jim grew up by the ocean in Southern California, did his undergraduate work in geology at Pomona College, and received his Ph.D. in geology from the University of Wyoming. In 1966 he joined the faculty of the Department of Oceanography at the University of Washington, with joint appointments in the Department of Geosciences and the Department of Biomathematics. In 1970-71 he was Fulbright Professor at the University of Athens and Senior Research Scientist at the Democritos Greek Atomic Energy Commission.

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