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

    Naturalist
    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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  • Anahí Concari

    Naturalist
    Anahí grew up in a small house by the beach in the Galápagos Islands. Along with her best friend, she used to wander during the days around mangrove trees, becoming a different animal every day. She used to camp on solitary beaches, snorkel with sharks, dive with her uncle, a local dive instructor, and sail around the islands with her free spirit neighbors, learning about nature with her own hands, eyes and ears.  

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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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  • 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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  • 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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  • 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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  • Vanessa Gallo

    Expedition Leader
    Vanessa Gallo’s grandparents arrived in the Galápagos Islands in 1936, making her the third generation of her family to live and work in this magical archipelago. She left the islands for the capital city of Quito for high school, where she discovered that learning foreign languages was one of her main interests. Coming from a family of naturalist guides, it was not a surprise that she also became one at the age of 17. Vanessa left the islands once again for Switzerland, where she earned a diploma in tourism and strengthened her language skills and knowledge of the travel industry. She has also travelled extensively to destinations including as Mexico, Costa Rica, Panama, Peru, Canada, the Canary Islands, Mauritius, and many European countries.

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