Dave Asprey (born October 30,1972) is an American entrepreneur, author and advocate of a pseudoscientific low-carbohydrate high-fat diet known as the Bulletproof diet. He founded Bulletproof 360, Inc. in 2013, and in 2017, founded Bulletproof Nutrition Inc. Men's Health described Asprey as a "lifestyle guru".Asprey is also known for his early adoption of the Internet for commerce and selling caffeine-molecule t-shirts via the alt.drugs.caffeine newsgroup in 1994 and his promotion of the "biohacker" movement. Previously, Asprey held executive and director positions for technology companies including Trend Micro, Blue Coat Systems, and Citrix Systems.