Our team


Owner, Director of Research, Naturalist, Captain
Mercedes is a Marine Biologist, MSc Marine Mammal Science, with over twenty years of experience on cetacean research and conservation. Her main interests are dolphin behavior, bioacoustics, cymatics and interspecies communication. Since she was a little girl she wanted to understand dolphins, their language and their connection to humans. She has dedicated her life to pursuit this interest, as well as, to protect cetaceans and their habitat. Mercedes is also a responsible whale watching nerd, knowing a lot about the regulations, laws and guidelines. She has worked in the UK, Spain and Vancouver Island, Canada, for NGOs and Governments to monitor, educate and enforce good practices around the whales. She is an innate naturalist, and her passion, love, respect and knowledge easily flows to her audiences.

Dr J. Castrillon

Researcher, Naturalist
Juliana is a Biologist, MSc, PhD, specialized on cetacean toxicity, bubbler, and conservation. Juliana is truly a whale lover. Among others, she has worked for Griffin University, AU, where she dedicated many years of her life to study humpback whales. Her research experience involves many other cetacean species, and locations such the UK, Spain and Colombia. Juliana is our behind the scenes scientist. She analyzes all the data for conservation purposes, such as photo ID, and population estimates. She has a nomad gypsy soul, leaving everything behind to go where the whales lead her.Juliana has an amaizing, cheerful, and happy personality. She travels a lot, doing fieldwork in remote places, but sometimes she comes on the boat, which is a real treat for all of us!


Captain, Naturalist, Assistant Researcher
Gustavo is a Geographer, Captain and Cetacean Guide. He is originally from Tenerife. He feels a special bond for the ocean, he has been a surfer and a navigation lover most of his life. Custavo has been a boat skipper in the Special Conservation Zone (ZEC Teno-Rasca ) for the last 12 years as a Captain and cetacean guide. He considers these waters and their inhabitants as family. His knowledge and experience makes him a skilled captain, especially for manouvering around the cetaceans in a respectful manner. He is an over qualified captain for the job at WWET, meaning that we can go as far as we want, in a safe way, when looking for cetaceans, so that we can enjoy being in solitude with the pods. He has a calmed and charismatic personality. He is in tune with nature and sustainable way of living. When he is not at the ocean, he spends his free time developing a eco-friendly farm, where he grows his own organic greens, veggies and fruit trees, he invents his own sustainable appliances and facilities. He enjoys sahring with the visitors his holistic vision of sustainability, and its integration in daily life.


Researcher, Naturalist
Mónica is passionate about nature, interspecies communication, and conscious science. Her main research interest is the study of the sound frequencies and their interaction among species. Her background is rich and diverse, including telecommunication, veterinary, exotic animals, and Reiki fields, but if you ask her, she would say that she just allows nature and animals to teach her.Cetacean lover, Mónica does not lose occasion to go out to sea. On board she is a naturalist and researcher for our scientific tours, and supervisor of our special thematic tours.

She believes that respect for nature arises from love to it, and through experience, a higher awareness and integration with the environment is created. Mónica loves to share and to be surprised in every tour, which are always unique and unrepeatable!