Staff Leadership

A conservationist by vocation, Carlos Manuel served as Costa Rica’s Minister of Environment and Energy on three occasions, where he led transformations that are now cornerstones of the country’s environmental model. These include the development of payment for ecosystem services programs, forest recovery initiatives, a clean and renewable electricity matrix, and the strengthening of a nationally and internationally recognized system of national parks.
From 2020 to 2025, Carlos Manuel served as Chief Executive Officer and Chairperson of the Global Environment Facility (GEF), the world’s largest multilateral fund dedicated to biodiversity, climate, and environmental protection, where he led the mobilization of billions of dollars in support of conservation and sustainable development worldwide.

She has an administrative and economics background with a strong professional career in operations and administration. In addition to her ambitious, practical approach to structure and administrative matters, she maintains a bold vision.
Her love for the natural world and commitment to conservation and her country's own biodiversity encourages her to be a passionate, full-time working mom. She leads by example with integrity, honesty and positivity to constantly empower and encourage OC´s team to give their very best.

Lucy grew up in the temperate rainforest in the USA Pacific Northwest, where she found her roots in environmental sciences. Prior to moving to the Costa Rican rainforest, Lucy worked as a reporter on science and the environment for numerous news outlets in Oregon. Her work has been featured by National Geographic, The Seattle Times, US Daily, La Nacion, La Republica, and more.

Her role is to ensure the Conservation Campus continues to be a top facility for researchers, student groups, and volunteers, while offering stellar experiences to visitors. Gabriela is passionate about maintaining and protecting over 7000 acres of land supported by an incredible local team.
Gabriela has a particular interest in invertebrates, especially caterpillars and corals. She is also an amateur photographer and certified diver.

He began his first contributions to conservation in the 1990s when he volunteered with sea turtle projects at Santa Rosa National Park. He later consolidated his experience to focus on ecosystem relationships between terrestrial and marine human activities.
In 2022, Marco received the Disney Conservation Fund Award, an honor given to individuals profoundly committed to biodiversity preservation.

He now dedicates his efforts to community outreach and forest restoration projects in several sites of the Coto Brus Region of southern Costa Rica. Under this project, Rodrigo will lead agricultural sustainability, tree restoration and connectivity between existing forest patches and agricultural landscapes.

Over the years, Guido has created alliances with national and international researchers and universities, which has allowed him to be part of multidisciplinary research projects, as well as share his experience with students of different academic levels.

Angela M Mendoza-Henao
Board of Directors


In her role as Deputy Director, she provides strategic leadership on WRI’s global ocean initiatives, including spearheading the 100% Alliance and overseeing the Ocean Finance workstream. As Director of Ocean Action 2030, Cynthia leads a voluntary coalition of expert institutions dedicated to supporting countries in developing and implementing Sustainable Ocean Plans (SOPs).
Prior to joining WRI, Cynthia served as the Deputy Minister of Water and Ocean Affairs in Costa Rica, where she led the historic expansion of the Cocos Island National Park and its marine protected area—helping the country reach its goal of protecting 31% of its exclusive economic zone by 2021. She also served as Director of Costa Rica’s Environmental Impact Assessment Agency and led several sustainable urban development programs.
Cynthia holds a law degree and a master’s in International Law and Trade from Carlos III University of Madrid, as well as a diploma in Globalization, Economic Liberalization, and Administrative Intervention.



Jean Andre grew up in Costa Rica and holds a degree in Architecture and Urbanism from Universidad Iberoamericana en Mexico. He lives in San Jose, Costa Rica, with his wife and three children, alongside many beloved animal companions.




Conservation Programs Team

Enzo Basso Quinche

Diego Sancha

Allan Brenes

Paulina Rodriguez

Jose David Rojas

Keitly Rodríguez Vindas

Yuliana Sibaja Rivera

Raquel Calderon Rodriguez

Karla Ramírez

Christian Peralta

Socorro Avila

Julia Grootaers

Isela Cambronero

Andrés Méndez

Kenneth Barrantes

Mairon "Titi" Ibarra

Johan Ortiz

Christofer Vega

Hafet Rosales Umaña

Fraidany Rodriguez Duran

Adriana Quirós Umaña

José Francisco Beita

Oldemar Espinoza

Arnoldo Sibaja Madriagal

Alcides Rodríguez

Steven Villalobos

Ronald Montero

Miguel Calero

Olger Duarte

Kevin Carballo Gonzalez

Juan Carlos Torres Zuñiga

Luis Florentino Valencia

Saúl Rodríguez

Greivin Ulate Ulate

Roberth Salas

Andrey Mora

José Manuel Valencia

William Vargas

Carlos Vargas

Santos Valencia

Mayner Vargas

Juan Godinez

Ronald Baltodano

Mauricio Vega

Isidro Bogantes

Mariela Prendas

Huberth "Chonga" Almengor Mora

Christian Dagoberto Hidalgo

Gilberto Cerdas

Luigui Vasquez Leal

Mariano Bogantes

Kenneth Baltodano

Roger Atencio Badilla

Yetty Fernandez Chaves

Luis Gutierrez

Luis Andrés Cordero

Karina Valencia

Ulises Rancaño

Alvis Aragón Hernández

Jonathan Carpio Elizondo

Lilliana Chacón

Luis Andrés Cordero

Karina Valencia

Alvis Aragón Hernández

Jonathan Carpio Elizondo
Administrative & Finance

Jose Luis Orlich

Fernelli Araya Brenes

Johanna López Morales

Jorge Agüero


Bree Johnson
Associate Researchers & Advisors



Local Field Guides
The Osa Peninsula is home to an incredible array of biodiversity, and our team works closely with local guides to encourage immersive experiences in nature. Contact us ahead of your visit to reserve these excellent guides. Because their schedules fill quickly, we recommend reserving a guided session during your initial booking, or as soon as possible.

In 2003, he worked for a Stanford University avian research study which took place in his home town, San Vito. The study sparked a new interest and passion in him: birds. Since then, he has worked as a Nature Guide with an emphasis on bird watching in the Osa Peninsula.
Whenever possible, he's traveled to other countries in order to increase his knowledge of flora and fauna.
He is a birding specialist and an environmental educator.
Since he was born and raised in this area of Costa Rica, he is also very knowledgeable about all the nature that surrounds the Osa Peninsula, including plants, insects, reptiles, amphibians and mammals. He can identify a great majority of what we see in our tours, and he can tell you about their behavior and life cycle. Please never hesitate to ask questions, as it is one of his biggest pleasures to share knowledge and learn even more.

He is a naturalist guide at the Lapa Rios Lodge Hotel and has a general guide license. He has knowledge about flora and fauna of the Osa Peninsula, as well as its history and culture. He does bird tours, nature walks, night walks, and some cultural tours. He is in the process of specializing in birds and herpetology. He is also specializing in photography and video to run photo tours. In his free time, he works as a freelance guide.
He is currently an active member of the Osa Forest Protectors group, and he is also an AD Honorem Park Ranger. His favorite tours are bird watching and night walks.

He forged his roots by hunting and artisanal gold mining. He grew up in the forest with his grandfather, who taught him everything he knows today. He turned his life around in 2011 by working as an independent tour guide.
He is Guide certified by the Costa Rican Tourism Institute and has guided throughout the country, especially in Corcovado. He volunteered at the Sirena Biological Station in different research projects with biologists and various university collaborations. In 2018, he participated in the Osa Conservation Healthy Rivers project that works to improve ecosystem health in degraded watersheds and increase local watershed conservation leadership through advancing education, monitoring, and restoration.
He is passionate about tracking animals and has extensive knowledge of mammals, birds, reptiles, and plants, especially in the Osa Peninsula. He especially enjoys touring with families as well as night hikes.


He is currently a freelance guide in Corcovado National Park and surrounding areas. He specializes in ornithology and herpetology.
In Memoriam
These late conservation heroes were formative to Osa Conservation and our far stretching impact. We remain eternally emboldened by their leadership and contribution to us and the natural world. To this day, they inspire us to look, touch, learn, and care for nature.

His tenure on the board of Osa Conservation made us a better organization and we are forever grateful for his leadership and his contribution to us and to the world. Osa Conservation has created the Ugalde-Forsyth Fellowship program to honor the memory of Alvaro and to continue his life’s work. The fellowship provides grants to early-career researchers and conservationists to be immersed in the wilderness of the Osa Peninsula. Click the hands below to donate to the fund today.

To read more about Marvin and his incredible dedication to the natural work, click the link below.


Santiago will be always remembered as a team player with a great commitment, dedication and willingness to take care of the place he called home.
