Collaboration is Key

Meet our team of innovative educators, experts, and storytellers who are committed to using the tools of today and tomorrow to build accessible and inspiring learning opportunities.

WESLEY DELLA VOLLA

Founder & Executive Producer

The founder of Meridian Treehouse, Wesley Della Volla is a visionary, innovator, and immersive experience pioneer. Whether transforming National Geographic’s Grosvenor Auditorium into the largest, permanent virtual reality theater in the world or winning Emmy, National Press Photographers Association, and Webby awards for his innovative storytelling, Wesley pushes the boundaries of what is possible. He also shares his expertise at the intersection of education and entertainment as an adjunct lecturer in Georgetown University’s Environmental Studies Department, Resident Immersive Experience Innovator at the Harvard University Innovation Lab, and the publisher of “An Introduction To Learning In The Metaverse” practitioners guide.

CELESTE HARRISON

Senior Manager, Experiences, Content, & Curriculum

Celeste is a museum educator and theatre practitioner. Throughout her career she has produced over 400 educational events for young people ages 4-18. She specializes in inquiry-driven and experiential learning, which she has refined over her time at the National Air and Space Museum, the Discovery Theater, and the National Geographic Society. 

A longtime volunteer with the Hugh O’Brian Youth Leadership Foundation (HOBY), she develops and executes new service learning and youth empowerment experiences for high school students. 

She is also an enthusiastic D&D adventurer and an avid reader. 

TIFFANY KIERAN

Partnerships & Creator Relationship Management

Tiffany Kieran is a creative producer, programmer and social good super connector with expertise in aligning strategic partnerships for large-scale media and cause work. Her work includes programming, production and partnership development with projects with Games for Change, OAFLAD (First Ladies of Africa), American Film Institute, ASU, the UN SDG Action Zone, Arcadia Earth, Virtual Burning Man, The Book of Life, VR for Good, Cannes XR, Sundance Next Fest, Guanajuato International Film Festival, UNVR, IF/THEN, One Campaign, Oceanic Global, The Museum for the UN, directing EarthXR and more. She has extensive experience working with creators from NatGeo, NASA, Google, BBC, Conservation International and much more. She has a passion for expanding DEI and environmental justice in spaces for edu and emerging media for good. She is regularly producing on a roster of projects spanning topics from indigenous surfing and wildlife conservation to support for foster care and trafficking survivors.

WILL CARTER

Specialist, Experiences, Content, & Curriculum

Will is a current undergraduate student at Tufts University working to forge connections to the natural world through media, scientific practice, and storytelling. He specializes in Science Communication, combining coursework in Biology, Media Practice, and Anthropology to create his own interdisciplinary major. Passionate about increasing accessibility to education, he is a frequent contributor to original research on how to foster youth engagement in STEM fields.

He is also an avid outdoorsman and is often seen backpacking, swimming, hiking, or soaking up the sun.

OUR COLLABORATORS

FIELD EXPERTS

  • Ella Al-Shamahi

    Ella Al-Shamahi is a paleoanthropologist, evolutionary biologist, TV presenter, and stand-up comic. Specializing in Neanderthals, caves, and expeditions in hostile, disputed, and unstable territories, she believes in using expeditions to shed light on some of the most misunderstood and disadvantaged people and places on earth.

  • Justine Ammendolia

    Justine is a marine biologist, plastic pollution researcher and science communicator based in Toronto. COVID-19 canceled her fieldwork so she started a backyard science project to document the unexpected environmental impact of single-use medical plastics.

  • Martin Edström

    Award-winning National Geographic Explorer, Martin uses interactive and immersive techniques to tell the important stories of our time in moving and inspiring ways. Through numerous expeditions and exploration projects, Martin has brought audiences inside the wild and forgotten corners of the world—from the heights of Mt. Everest to the depths of the largest cave in the world in Vietnam.

  • Juliana Machado Ferreira

    Juliana Machado Ferreira is a conservation biologist working to combat wildlife trafficking in her home country of Brazil. She is the Executive Director of FREELAND Brazil and serves as a steering group member for The Global Initiative to End Wildlife Crime.

  • Clare Fieseler

    I’m both a journalist and scientist. My bylines have appeared in outlets like Vox, Slate, National Geographic, and The Washington Post. I also maintain a research appointment at the Smithsonian’s National Museum of Natural History where I work with Dr. Nick Pyenson on a National Geographic Society-funded research project.

  • Keolu Fox, PhD

    Kānaka Maoli (Native Hawaiian) is an assistant professor at UCSD. Dr. Fox’s multi-disciplinary research interests include genome sequencing, genome engineering, computational biology, evolutionary genetics, paleogenetics, and Indigenizing biomedical research.

  • Annie Griffiths

    Annie Griffiths was one of the first female photographers at National Geographic. She is the founder of Ripple Effects Images and has photographed in nearly 150 countries over the course of her career.

  • Anicca Harriot

    Anicca is a Biochemistry & Molecular Biology PhD Candidate at the University of Maryland, School of Medicine. Her research focuses on the mechanisms responsible for skeletal muscle atrophy and injury. Anicca plans to use her degree to explore the effects of long duration space missions on the human body and hopes to someday venture out into the final frontier for herself.

  • Peg Keiner

    Peg creates space for communities to solve the problems that matter to them by helping them use technology to express themselves, collect data, and drive positive action. She is the director of innovation at GEMS World Academy Chicago, a National Geographic Fellow, Apple Distinguished Educator, Google Earth Education Expert, Global Goal Ambassador for the United Nations Association Chicago Chapter and podcast host.


  • Elise Laugier

    Elise Laugier is an archeologist and remote sensing specialist. She blends drones, satellite imaging, and other technology with more traditional geospatial, geochemical, and micro-botanical approaches to discover and preserve history.

  • Danielle N. Lee

    Danielle is a TED Fellow, National Geographic Emerging Explorer and Assistant Professor at Southern Illinois University Edwardsville who studies studies animal behavior and behavioral ecology focusing on African giant pouched rats in Tanzania. She also knows the urban wildlife in your backyard, what they do, why, how, and when. As an Outreach Scientist she shows you that science is for everyone and doesn’t mean you have to travel far from home.

  • Moreangels Mbizah

    Moreangels Mbizah is a conservation biologist with a PhD in zoology. She’s the founder and executive director of Wildlife Conservation Action, which works to reduce human-wildlife conflict while empowering and improving livelihoods for communities living near wildlife areas.

  • Sandhya Krittika Narayanan, PhD

    Sandhya is a linguistic anthropologist and assistant professor specializing in the maintenance of multilingualism in indigenous and minority communities around the world, and the relationship between linguistic diversity and social and political change over time.

  • Wasfia Nazreen

    Wasfia Nazreen is a widely acclaimed mountaineer and activist who inspired her home country of Bangladesh by climbing the 7 summits, the tallest peak on each continent. She is also the founder of Ösel Bangladesh, a foundation that serves and empowers young girls through education and outdoor expeditions.

  • Gabby Salazar

    A nature and conservation photographer whose research focuses on evaluating the impact of conservation marketing and outreach campaigns. Salazar has worked on environmental photography projects across the world, from Indonesia to Peru. Salazar has also served as the youngest president of the North American Nature Photography Association. She continues to teach photography to children and teenagers around the world.

  • Becky Schnekser

    Once a reluctant science teacher, Becky now takes her elementary-aged scientists on virtual field trips to the Amazon, spelunking explorations right in the classroom, and all-weather research trips to the school's rainwater collection ponds. In Expedition Science, Schnekser demonstrates how you can immerse young learners in authentic, exciting science and empower them to engage, discover, and lead.

  • Prasenjeet Yadav

    Molecular ecologist turned photographer and a National Geographic Explorer, Prasenjeet’s work sheds light on sensitive issues and unique ecosystems throughout the Indian Subcontinent. He uses both science and storytelling to capture the beauty and wonder of important environmental issues to make them accessible and engaging.

  • Erika Woolsey, PhD

    A marine biologist, National Geographic Explorer, XR creator, Visiting Scholar at the Stanford University Virtual Human Interaction Lab, and leader of 501c3 non-profit The Hydrous, Dr. Erika Woolsey is dedicated to inquiry-based learning and public engagement of science.

Strategic Partners

  • Meridian Treehouse is proud to be an official launch partner of Meta Immersive Learning, helping to build the future of learning. Through Meta Immersive Learning, Meta is investing $150M to help develop the next generation of metaverse creators, fund high quality immersive experiences that transform the way we learn, and increase access to learning through technology.

  • Meridian Treehouse is proud to be an official partner for the launch of the LenovoEDU Community and the creative lead behind the “Field Expert Series” created in collaboration with STEM community leaders from all over the world. The LenovoEDU Community brings learners and educators together with experts through rich media, interactive activities, events, and more. Expanding access to engaging and innovative educational resources. The “Field Expert Series” brings the excitement of learning about the world directly to the community through direct engagement with the Field Experts themselves.

  • Creative Consultant & Technical Advisor for Disney Parks, Experiences, & Products. Our role was to advise on the creative direction, talent selection, execution, and final delivery of four programmatic areas of live virtual events for National Geographic Live.

  • Conservation Nation launched with a mission to diversify the conservation movement by funding and supporting underrepresented communities and inspiring the next generation of conservation leaders.

    Our passionate team brings more than six decades of nonprofit management, wildlife conservation support, and environmental education programming experience.