Sefra Alexandra -The Seed Huntress- is an endurance race ethnobotanist dedicated to preserving global biodiversity through seed conservation. She leads The Ecotype Project, amplifying local native seed availability for ecological restoration and creating the first ecoregional seed supply chain in the Northeast, USA.

In 2020, she founded BOATanical.org, guiding "backyard expeditions" with citizen scientists to plant native plants along riparian corridors. Sefra is on the steering committee for the Northeast Seed Network, the Northeast Bioregional Education Coordinator for the Ecological Health Network and started the Southport Globe Onion Initiative to revive a local heirloom allium.

Sefra has conducted seed conservation fieldwork globally, fortifying community seed banks with Tactivate. She was a Genebank Impacts Fellow of the Crop Trust and worked for the Global Seed Vault. Sefra holds an M.A.T. in Agroecological Education from Cornell University and is a member of WINGS WorldQuest and the Explorers Club.