Expedition Team

Our team is the key to your incredible experience


Let our expert staff weave a narrative on a Columbia and Snake River tour and, turn what would otherwise be merely a string of extraordinary days, into an immersive experience of the rivers’ natural history. Benefit from their specialized knowledge—geology, history, photography, and more—and enjoy their company on hikes or over a drink or dinner. 


Meet the expedition team for this departure

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  • Aaron Raymond

    Naturalist/Certified Photo Instructor
    R. Aaron Raymond started his career as an underwater photographer, which blossomed from his love of the ocean. He grew up on a sailboat diving for abalone off the coast of California. He loves to photograph landscapes, nature, and wildlife—anything that allows him to capture fleeting moments and showcase the interaction of light and the natural world. Aaron has photographed life on all sides of the planet, from the depths of Madagascar’s oceans to the heights of the Himalayas, which he crested at 18,500 feet via motorcycle. 

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  • Dave Katz

    Video Chronicler
    As a family growing up in the Finger Lakes region of New York, free time was spent in the outdoors. Dave’s mother, an earth science and biology teacher turned weekend hikes into informative lessons. The beautiful gorges, lakes and forests made a lasting impression.

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  • Harry Fritz

    Historian
    Harry W. Fritz is Professor of History and Chairman of the Department of History at The University of Montana in Missoula. He graduated from Missoula County High School in 1956, and attended Dartmouth College (A.B. 1960), The University of Montana (M.A. 1962), and Washington University in St. Louis (Ph.D. 1971). Professor Fritz teaches courses in early American history, American military history, and Montana history.

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  • Larry Prussin

    Naturalist
    Larry has been a naturalist for more than 35 years.  His experience includes extensive work in environmental education in Ohio, Vermont and Yosemite National Park where he was program director for the Yosemite Institute.  He has been a ranger at Mohican State Park, Lehman Caves National Monument, and Glacier Bay National Park where he first met up with Lindblad Expeditions–National Geographic in 1990.

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  • Patrick Duggan

    Expedition Leader
    Patrick grew up in the historic town of Charleston, South Carolina, a destination overflowing with resources for a young explorer. Patrick’s parents happily encouraged daily pursuits such as sailing, hiking, and camping in the endless coastal wetlands. In addition to his love of the outdoors, history was another fascination. Influenced by his hometown, Patrick learned the benefit of understanding the historical significance of the places he explored.

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  • Robert Edwards

    Naturalist
    Growing up in the Appalachian foothills of the Garden State, Rob instinctively knew it made a lot more sense to head over the hill into the fields, forests, lakes, and streams behind his house, rather than down the road to the shopping mall in front of it. The natural world piqued the inherent curiosity in all of us and set his life course based on these questions: how does the world work, and how do we as humans fit into it?  

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  • Tessa Taft

    Wellness Specialist
    Tessa is here to keep you energized and offer you new perspectives on the life you live. From her own global traveling experiences and worldly educational background, she realized from the beginning to start asking: If not now, when?

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