Egyptian-American. St. Paul's School (NH). Harvard College (government major, squash team captain). While at Harvard 2012, started developing wearable tech to measure recovery and optimize athletic performance. WHOOP 4.0 wristband: continuous health monitoring with detailed strain/recovery/sleep insights. Subscription model ($30/mo). Raised $900M+. Valuation: $10.1B (up from $3.6B in 2021). Popularized by pro athletes (LeBron, NFL/NBA/F1 teams). WHOOP represents the subscription-first hardware model.