Behind the forest

We're a unique mix of foresters, technology experts, and creative communicators. We're brought together by a shared commitment to solve climate change and leave behind a healthy planet for the next generation.

Yishan Wong
Yishan Wong

Founder and CEO

Engineer and climate activist. Specializes in rapid growth tech impact. Ex-engineer at PayPal, Facebook. Ex-CEO Reddit.

Jill Wagner
Jill Wagner

Head of Forestry

Forester, horticulturist and land use specialist. Director of the Hawaiʻi Island Seed Bank. Founder of Future Forests Nursery.

Ethan Cary
Ethan Cary

Head of Site Engineering

Leads construction and deployment of on-site forest tech. Ex-engineer Matterport, PayPal, eBay.

Yacin Bahi
Yacin Bahi

Head of Forest Tech

Passionate about clean code and healthy forests. Applied Math PhD. Executive and research scientist at security, AI, and music companies.

Christina Cervantes
Christina Cervantes

Head of Operations

Coach, project manager, engineer, and force multiplier. Ensures even our most complex projects land smoothly.

Yee Lee
Yee Lee

Head of Marketing, Product & Design

Engineer and product designer. Ex-Facebook, Google, TaskRabbit, Skype, and PayPal. Loves trees.

Aubrey Vella
Aubrey Vella

Head of People

Focused on attracting, growing and retaining amazing talent. Building and scaling a great working environment so employees can do their best work.

Huey Lin
Huey Lin

Special Projects

Gap filler, executive liaison, and ad hoc swiss army knife, always ensuring we can tackle our toughest problems. Ex-PayPal, Affirm, and Flexport.

Our Forestry Team

Terraformation's forestry team are our on-the-ground heroes that understand just how restoration happens. From forestry experts to soil scientists and seed bankers, these are the people that keep us moving forward.

Jill Wagner
Jill Wagner

Head of Forestry

Forester, horticulturist, and land use specialist. Director of the Hawaiʻi Island Seed Bank. Founder of Future Forests Nursery.

Marian Chau
Marian Chau

Head of Seed Banking

Seed banker, ecologist, and biodiversity protector. Botany PhD. Founder/Co-Chair of IUCN Seed Conservation Specialist Group. He haumana mau loa o ka ʻāina.

Lehua Todero
Lehua Todero

Nursery Manager

Native plant steward, seed collector, and banker. Passionate about Hawaiian native plants and conservation. Surfer. Named for the Hawaiian ʻOhiʻa flower.

Johannes Seidel
Johannes Seidel

Restoration Manager

Landscape planning engineer. Tree planter. Carbon counter. Founder of CarbonBuddy.

Thomas Bolton
Thomas Bolton

Nursery Operations Lead

Jack-of-all-trades. Builder. Seed collector. Soil grower. Former apple farmer.

Ruth Bone
Ruth Bone

Forestry Partnerships

Passionate about community collaboration to restore Mother Earth. Botany PhD. Countryside wanderer. Former Pacific Regional Coordinator for the Millennium Seed Bank.

Christian Torres
Christian Torres

Forestry Partnerships

Botanist, arborist, and conservationist. Passionate about rare plants. Former International Institute of Tropical Forestry botanist, Director of Puerto Rico's Doña Inés Park.

Victoria Meyer
Victoria Meyer

Carbon Scientist

Forest biomass expert, combining field data and remote sensing. Environmental science PhD. Passionate about art and science interactions. Former Jet Propulsion Laboratory (JPL) researcher. Lecturer at Caltech.

David Clausnitzer
David Clausnitzer

Soil Scientist

Site restoration assessor. Ensures the right plants land in the right place. Soil science PhD. Trumpeter and pianist. Former US Geological Survey and Natural Resource Conservation Service.

Hilary Flaming
Hilary Flaming

Nursery Assistant

Forest steward restoring Hawaii's last lowland forest. Former midwife. Subsistence farmer. Passionate about restoring human connection with nature, running and ocean swimming.

Lopaka Dela Cruz
Lopaka Dela Cruz

Restoration Technician

Resident animal control specialist. Weed tamer. Rock wall and fencing expert. Grew up on a Kona, Hōnaunau coffee farm.

Nyree Hulme
Nyree Hulme

Restoration Technician

Tree planter and weed slayer. Tackles new challenges daily. Biology program graduate from University of Hawaiʻi. World traveler.

Timon Skinner
Timon Skinner

Restoration Technician

Prepares nursery seedlings for out-planting. Ecology and biology program graduate from University of Hawaiʻi. Studied Hawaiian native birds. Hiker and swimmer.

Kimberly De Souza-Anderson
Kimberly De Souza-Anderson

Supply Chain Specialist

Environmental activist. Former energy efficiency business development and project manager. Subsistence farmer. Ceramic artist inspired by native Hawaiian flora and fauna.