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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  • Celso Montalvo

    Naturalist
    Celso was born in Guayaquil, Ecuador. At the age of nine he arrived in the Galápagos for the first time and he was profoundly touched by nature, observation, and isolation.  When he saw the sharks, rays and turtles swimming in the bay, he was triggered by a sense of wonder that he did not feel before.  Celso believes education is key to preservation. After graduating from the Naval Academy at the age of 17 he moved to New York to continue his education.

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  • Christian Saa

    Naturalist/Certified Photo Instructor
    Christian was born on the island of Isabela in the Galápagos archipelago. He grew up on a farm and had a magical childhood devoid of cars, electricity, telephones—just pure nature and playful sea lions along the beach. At the age of seven, he moved with his family to Santa Cruz Island, the economic hub of the Galápagos Islands. His father began to work in tourism and took Christian around the islands during school vacations. It was during this time that Christian learned to love and understand the real value of this unique archipelago, and he decided to devote his life to its stewardship. A lifelong passion for nature and its creatures took root in his heart, and he eventually decided to become a naturalist, which he has now been doing for 18 years now.

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  • Eric Wehrmeister

    Video Chronicler
    Eric began his life on the far western edge of Chicago, where the concrete meets the cornfields.  His inspiration has always drawn from the expansive beauty of the natural world, as well as the endless forms that populate it.

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  • Gaby Bohorquez

    Expedition Leader
    Gaby was born and raised in Guayaquil, Ecuador. Her first job in the Galapagos was on board a 90-passenger cruise ship as the cruise director’s assistant, and she fell under the spell of the Enchanted Isles. She returned to Guayaquil to study at the Espiritu Santo Technological University to obtain a degree in Tourism Management. Her fascination for the islands was still strong so, after finishing her studies, Gaby took the opportunity to join the Naturalist Guide’s course, jointly organized by the Galapagos National Park Service and the Charles Darwin Research Station. That was back in 1992, and she has been a naturalist since, keeping her deep love and passion for the islands during all these years.

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  • Gianna Haro

    Naturalist
    Most of Gianna´s memories seem to be dreams, made on flawless white sandy beaches with black lava rock contours and gorgeous turquoise ocean waters. Most of it happened while barefoot, in an enchanting place that some people regard as an ideal natural laboratory, the Galápagos Islands. For her it was home. Gianna grew up going to the beach nearly every day, snorkeling in crystal clear waters, playing with wild flowers, having sea lions steal her ice cream, observing marine iguanas, and identifying invertebrates. The latter was by no means technically accurate—she dubbed each new discovery with its own made-up scientific name. At some point during those early years, being an observer became an innate ability and she knew she wanted to be a biologist. 

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  • Ixora Berdonces

    Undersea Specialist
    Ixora was born in the Galapagos Islands, back when the streets were made of sand and gravel. Void of TV and tablets, her childhood friends and pristine natural surroundings made for an inspiring upbringing. She was always drawn to the ocean and her local environment, with her first adventures taking place underwater, in mangrove estuaries, and perched in treetops. Not surprisingly, she was scuba diving before the age of 12 and led her first diving trips as a Dive Master in the Galapagos Marine Reserve when she was 18. 

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  • Salvador Cazar

    Naturalist
    Salvador Cazar studied biology at the Universidad Nacional Del Sur, Bahía Blanca, in Argentina and at the Catholic University of Ecuador. Between 1988 and 1994, Salvador worked as a naturalist and tour leader for several national and international tour operators, leading groups of visitors across the Ecuadorian rain forest, Andean forest, and to Galápagos.

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  • Socrates Tomala

    Naturalist/Certified Photo Instructor
    Socrates was raised on Santa Cruz Island located in the heart of Galapagos Archipelago.  After a childhood filled with swimming, scuba diving, rock climbing and volunteering in conservation projects, he grew very passionate about the outdoors and the natural world. 

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  • Walter Perez

    Naturalist/Certified Photo Instructor
    Walter was born in a very small town on the mainland of Ecuador. His first trip to the Galápagos was when he was 12 years old, visiting friends and aunt, who had moved to the islands. From the first moment he saw the Islands, he fell in love with them and knew then where his future home would be.

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