He is a millionaire from building up internet security and has been a hacker. Now he is a BIO-hacker.
He has done much research and spent $250K on self experimentation to become bullet proof.
He loves grass-fed butter, nootropics.
He sells his own very high quality coffee which is mould (mycotoxin) free, which is made with grass-fed butter and is awesome.
He has his own podcast since Dec 2011.
Dave after eating 4500 calories a day for around a year. He was 300 pounds before, and he ate Paleo+ and did no exercise and transformed to this.