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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  • Africa Berdonces

    Naturalist
    Africa grew up in the Galápagos Islands where she spent her childhood exploring with her family, surrounded by exquisite nature. She took her first scuba diving lesson with her father off the coast of Sombrero Chino Island when she was just 12 years old. That first dive opened up a new and unexplored part of the natural world to her. Africa became enchanted by local marine life and went on to become a divemaster, working as both a dive guide and naturalist in her beloved islands.

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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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  • Cristina Ahassi

    Naturalist
    Cristina was born in Quito but spent her entire childhood in the Galápagos Islands surrounded by the nature that has inspired her passion for her work.

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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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  • Gilda Gonzalez

    Naturalist
    Gilda was born in Ambato, located in the very heart of the Ecuadorian Andes. Since she was a child, she loved animals, often rescuing street cats and dogs. Her parents always made sure there were nature books and plenty of Jacques Cousteau’s videos at home. She graduated from high school with a degree in chemistry and biology. Afterwards, Gilda obtained a B.A. in tourism and hotel management in Quito. She also studied English, French and German, later spending two months in Brussels, Belgium.

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  • Ixora Berdonces

    Naturalist
    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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  • Liza Diaz Lalova

    Video Chronicler
    Liza fell in love with the ocean as a child growing up on the Ecuadorian coast. Her passion for storytelling and photography began at the age of seven, when she began filming her friends as they recreated stories from her parents' library. Liza later combined her audiovisual passion with her love for nature by majoring in Environmental Communication and Digital Animation. She began making documentary films, animations, and photographs aimed at inspiring communities to care for their natural habitats. Liza became enchanted by the Galapagos, where she first came as a student and has continued on as a volunteer for various conservation, education and arts organizations. She is now a professional conservationist and artist dedicated to inspiring and educating in small communities around Ecuador using creative audiovisual communications.

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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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