Expedition Team

Our team is the key to your incredible adventure


Explore the islands and undersea in the company of top experts. Benefit from the knowledge of our Galápagos Island travel guides —team specialties include marine and terrestrial biology, botany, geology, and more—and passion for the Galápagos to observe and understand more of all you’ll see.  And enjoy their company; you’ll find them highly engaging and fun to share a drink or dinner with, as well as a trail hike.


Meet the expedition team for this departure

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  • Alexandra Widman

    Undersea Specialist
    Alexandra grew up on the southeast coast of the United States. She has a deep love for the ocean that stems from her childhood spent surfing, kayaking, diving and fishing on the Intracoastal Waterway. Alexandra has lived on San Cristóbal Island for the past 6 years, having fallen in love with Galápagos the moment she arrived as a fledgling marine ecologist. She holds a bachelor’s degree in marine biology and a master’s in environmental science and management from the University of California Santa Barbara.

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  • Donald Johanson

    Staff
    Dr. Donald Johanson, one of the most accomplished scholars in the field of human origins, is best known for his 1974 groundbreaking discovery of the 3.2 million- year-old skeleton known as Lucy. He and co-author Maitland Edey won the National Book Award in Science for their 1981 book Lucy: The Beginnings of Humankind, which described the new species, Australopithecus afarensis. Today, A. afarensis occupies a pivotal place on the human family tree as the last common ancestor to later Australopithecines and to our own genus Homo.

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  • Eric Barnes

    Video Chronicler
    Eric is a native of Southern California and has been taking pictures for as long as he can remember.  He made a career as a news photographer, working for local and national news agencies.  As a photojournalist, Eric has documented some of the most important news events both nationally and around the world.  He has covered everything from the tsunami in Thailand to the war in Afghanistan and countless other compelling stories.

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  • Fabian Bucheli

    Naturalist
    Fabian Bucheli studied at the German School in Quito, graduated from the University of California with a bachelor of science in administration, and earned a master’s degree in international management from Thunderbird School of Global Management in Arizona. He has studied in Germany, France, Belgium, and Austria and is fluent in German, French, English, and Spanish. He has always been in love with nature and conservation. Explaining abstract concepts became second nature as a teaching assistant in biodiversity and evolution (University of Nevada, Las Vegas) while working towards a PhD in environmental risk management.

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  • Jonathan Aguas

    Naturalist/Certified Photo Instructor
    Jonathan was born into one of only a handful of families that reaches back five generations in Galápagos, in the town of Puerto Baquerizo Moreno, on San Cristobal Island. He first left the islands when he won a highly-coveted scholarship to finish his studies in the U.S.  This was the start of his life-long passion for science and languages. He earned a bachelor’s degree in integrative biology from the University of Florida and later spent time in Europe, where he learned French. He is now fluent in English, French, Portuguese and Spanish.

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  • Paola Luque

    Naturalist
    Paola was born in the major Ecuadorian port city of Guayaquil, raised near the ocean and rivers. Since childhood she felt a deep connection with nature, which led her to settle in the Galapagos Archipelago in 1998, on the central island of Santa Cruz. Here she got involved in the tourism industry, with a particular interest in food and cooking.Her passion for the sea and traveling then led her to sail the world's oceans to remote destinations, working as crewmember and chef on private yachts for 5 years.

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  • Paula Tagle

    Expedition Leader
    Paula grew up in Guayaquil where she obtained an undergraduate degree in geology from the Polytechnic University of Guayaquil. She enjoyed many field trips all around Ecuador and during her vacations traveled in Central and South America in the hope of learning more about her people and culture. The last year of her studies she worked at a mine looking for a more ecologically responsible way of recovering gold. Interested more in volcanoes than in raw materials, she came to Galápagos, a mecca for geologists, in 1992. She was bewitched by the other wonders of the islands and became a naturalist guide for the Galápagos National Park.

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  • Roberta Schiess

    Naturalist
    Born and raised in the Galápagos, Roberta Schiess Bahamonde’s grandparents were among the first permanent inhabitants of Santa Cruz Island, arriving from Switzerland in the 1940s. Her mother is also a naturalist guide in the Galápagos, so this is a profession she has been exposed to her whole life, and she often accompanied her mom as she guided visitors. 

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