Staff | PUP Global Heritage Consortium


The PUP Consortium is a membership organization consisting of people and organizations dedicated to introducing emerging paradigms into the natural and cultural heritage management and planning field. It consists of technical service members, advisors, country representatives, and general members. General members live around the world but share a desire to help us transform the dominant paradigm that leads so many development projects and management plans to failure. We are people who think outside the box and love heritage.


Our corporate officers serve the board and keep PUP moving forward.


Jon Kohl

Jon, American and Costa Rican, founded the PUP Global Heritage Consortium in 2013 after having developed the PUP Process and PUP Manual starting in Honduras in 1998 under RARE Center for Tropical Conservation. He has a keen interest in identifying new theories and approaches and turning them into practice. Based in Costa Rica, Jon has worked with PUP around the world, always focusing on the visitor management side, especially his passion for heritage interpretation, but with an eye to learning beyond just visitor management to all kinds of planning. Ultimately he sees a spiritual connection to the value of heritage and management that he shares in his blog on heritage interpretation, his writing, and his work. For more information about his publications visit his ResearchGate profile.

President, Coordinator
Eddy Silva

Eddy, Ecuadorian, is a conservation practitioner and a consultant with extensive experience in protected area management, conservation planning, coastal and marine use planning, sustainable tourism, ecosystem services valuation, and climate change adaptation. He is currently working on the implementation of a new zoning scheme for the Galapagos in close coordination with other technical staff and partners. Mr. Silva has vast experience as manager of programs and projects to support coastal and marine conservation and sustainable development both in Ecuador and the Caribbean. He has two Masters, one in Environmental Management and the other in Fish and Wildlife Biology and Management.

Vice President
Clark Hancock

Clark, American, is an Interpretive Consultant and Trainer working out of Austin, Texas. He retired from the City of Austin in 2015 after serving for 25 years as the Austin Nature & Science Center’s Exhibit Coordinator. His professional focus is on community networking, open space management, resource protection, and heritage interpretation. His work has included the creation of natural and cultural exhibits, oral history and archive project management, community engagement and institution development, interpretive planning and training, and event planning. He holds degrees in Public Affairs from the University of Texas’ LBJ School and Theatre from Tulane University. His career has been diverse but with the common thread of creating opportunities for individuals to find for themselves new or enhanced connections with the wonders of creation and encouraging them to pass on to future generations this strong foundation from which to navigate the vagaries of life.

Nahar Muhammed

Nahar, Indian, is an ecotourism specialist who has been working extensively in India for over a decade in the planning and development of various ecotourism initiatives and programs. He worked closely with various state governments in India to craft ecotourism policies and strategies and with communities for conceptualizing, developing and managing community tourism ventures in different parts of India. His current works are primarily concentrated in two Indian Himalayan states- Sikkim and Uttarakhand, where he is assisting respective state governments to plan and implement ecotourism initiatives in conjunction with biodiversity conservation goals and creation of sustainable livelihoods. He maintains particular interest in protected area tourism and understands the significance of planned and well-managed tourism in biodiversity rich areas of India and elsewhere. He holds 3 Masters in areas of History, Management and Tourism and an MPhil in Natural Resources Management. Nahar’s professional profile can be accessed here



Our staff keeps the PUP Consortium going.


Gabriela Hernández

Gabriela, Costa Rican, is a biologist who works to communicate and apply scientific knowledge, rather than to create it. She studied Environmental Interpretation with a focus on empowering people to improve their environment. She is currently pursuing a master’s degree in Environmental Management and Ecotourism (University of Costa Rica).  Her professional experience has focused on the design, implementation and evaluation process for environmental education and communication for different audiences, both formal and non-formal. She has been an associate professor at the University of Costa Rica since 2012.

Membership Shipping Manager
Marina Rothberg

Marina, American, has a Bachelor’s Degree in archaeology and biological anthropology. She has had extensive training in excavation in Israel and museum work at the University of Pennsylvania Museum of Archaeology and Anthropology. Her undergraduate Honors thesis at Wesleyan University was titled, “Grave Concerns: The Sacred Corpse and Burial Re-Entry in Antiquity.” Marina’s interests range from ancient archaeological disturbance to modern heritage conservation and she has done research for the Penn Cultural Heritage Center’s database of destruction to cultural heritage sites in Syria. Marina taught writing at an international school in Tokyo following graduation and currently serves as a STEM instructor with the Boys and Girls Club of Philadelphia.

PUP Notes Editor
Juan Sebastian Vargas

Formerly a graduate biology student at the University of Costa Rica, his main research interest was fisheries assessment and management. Particularly Juan, Costa Rican, sought to evaluate small-scale multi-specific fisheries, and to generate advice for sustainable fishing. Now he is pursuing his doctorate at the University of Toronto where he is studying parasite dispersion dynamics in fragmented habitat, such as biological corridors. He became interested in PUP when he took a course with Jon Kohl at the university in alternative protected area management models.

Monograph Editor in Spanish
Mariela García

Mariela, Costa Rican, is a biologist with a degree in Environmental Interpretation from the University of Costa Rica. She has been always interested in nature conservation issues and found in interpretation the way to show others the value of our natural heritage and the importance of its preservation. Mariela works at Tirimbina Biological Reserve, a non-profit organization dedicated to preserve the rainforest, through environmental education and research, financed by ecotourism. At Tirimbina she has worked as naturalistic guide and currently is in charge of the environmental education program.

Spanish Interpretation Webinar Coordinator

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