Abraham Chaibi
Engineer and company builder
Current Life
- Cofounder & CEO - Sapho Bio. An automation company reinventing the third party testing lab.
- We serve 30 enterprise customers and process thousands of tests each month, with a focus on lab automation and rapid microbiology release testing.
- I live in San Carlos, California.
Past Life
- 2017–2024: Cofounder & CTO of Dexterity Capital. Built automated trading systems that traded more than $2T, managed $300M across dozens of exchanges, and grew a team of 30+ engineers and traders.
- Built a 10,000-core data center that reduced model-fitting costs by 90% versus cloud providers.
- Wrote 100,000+ lines of low-latency trading software and optimized Ethereum smart contracts.
- 2016–2017: Software engineer at LiveRamp, automating petabytes of file movement and building international data-processing pipelines.
- 2014–2015: Operations engineer at Analytics Operations Engineering, working on NFL scheduling and inventory optimization. The firm was acquired by McKinsey in 2016.
- 2010–2014: Mechanical engineering at Princeton, graduating cum laude, with an Oxford–Princeton engineering exchange.
Videos & Conversations
- Testing Is the Bottleneck: Measurement at ScaleHow It’s Measured, Ep. 3
Watch the conversation
Watch the video
- Precision testing lab launchSapho Bio · Aug 2026
- Co-founder interview and lab tourSapho Bio · Aug 2026
- Talks with traders #10: Dexterity CapitalGlobe · Aug 2022
- Today’s markets, tomorrow’s technologyTrading Show Chicago · Sep 2022
- A Short History of Cryptocurrency DerivativesPenn Club of Seattle · Mar 2022
- Trading Show Chicago 2023Speaker · Sep 2023
Writing & Research
- Tunisia After ISISForeign Affairs · Jul 2015
- U.S. Aid to Lebanon, a Delicate BalanceInternational Policy Digest · Feb 2014
- Propagation of orbital angular momentum carrying beams through a perturbing mediumJournal of Optics · 2013With C. Mafusire and A. Forbes.
- The Outlook for Continuing Stability in the South China SeaOxPol · Mar 2013
In the Press
- Sapho Bio Secures $5M, Advances Rapid Sterility Testing Through USP<1223> ValidationBioSpace · Apr 2026
- Dreams of Rebooting FTX Face Cold Reality That Its Technology Wasn’t Well-RegardedCoinDesk · Mar 2023
- Ethereum Merge Brings ‘Sell-the-Fact’ Price Move in Crypto MarketsCoinDesk · Sep 2022
- Crypto crash is testing investor faith in bitcoin, Luna, and other digital assetsThe Washington Post · May 2022
- Bitcoin Bulls and Bears Engage in Major Battle a Day Before the Fed MeetingCoinGape · May 2022
- ‘Kind of free money’ in the 2017 Crypto Mayhem Set Dexterity Capital on Path to High-Speed TradingDecential Media · Mar 2022
- Firm: Dexterity CapitalTraderMath
Earlier Research
- 2013: Institute for Defense Analysis. Contributed to a report on delays involving the F-35’s helmet-mounted display.
- 2012: Council for Scientific and Industrial Research, South Africa. Laser research and a first-author paper.
- 2012: Princeton Plasma Physics Laboratory. Designed an early-warning interlock circuit for liquid-lithium leaks.