Siim Land
Author & Biohacker, Siim Land · Estonia
Siim Land is an Estonian best-selling author, longevity expert, and biohacker whose YouTube channel and eight books on fasting, metabolic health, and human performance reach a large global audience. His flagship book, The Longevity Leap, distills more than a decade of research into slowing biological aging. He ranks among the slowest-aging people tracked on the public Rejuvenation Olympics leaderboard.
At BTCHEL 2026
- Keynote by Siim Land — Day 2, 11:20, Main stage
- Sauna, Meat, and Sun: Bitcoin meets Biohackers — Day 2, 11:50, Main stage