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Peter Rahal is an American entrepreneur. He is a co-founder of Rxbar (formerly CEO),[1] and David Protein.[2][3]

Early life and education

Rahal was raised in Glen Ellyn, Illinois. His father’s side of the family were ingredient suppliers and his mother’s side were juice entrepreneurs.[4] He was diagnosed with dyslexia before attending high school.[5] He studied political science and government at Wittenberg University in Ohio, earning a bachelor’s degree.[5]

Career

RXBAR

In 2013, Rahal and childhood friend Jared Smith co-founded Chicago Bar Co., the producer of RXBAR, making the first bars in the basement of Rahal’s parents’ home in Glen Ellyn with an initial investment of $10,000.[6][7] Initially marketed to the CrossFit community, the brand became known for its minimalist packaging.[8]

In October 2017, the Kellogg Company acquired RXBAR for $600 million. Rahal remained CEO of RXBAR for about a year following the acquisition.[9]

David Protein

In September 2024,[10] Rahal co-founded David, a New York-based protein bar brand operating under food technology company Linus Technology, Inc., alongside Zach Ranen.[9] He is CEO. The brand, named after Michelangelo’s David, launched in September 2024 with a bar containing 28 grams of protein, zero sugar, and 150 calories.[11]

Rahal was sued in 2025 over a scheme to monopolize esterified propoxylated glycerol, a fat substitute.[12]

David was valued at $725 million in 2025.[13]

References

  1. ^ Channick, Robert (2017-10-06). “Founded in a suburban basement four years ago, Chicago-based RXBar sells to Kellogg for $600 million”. Chicago Tribune. Retrieved 2026-06-11.
  2. ^ Melvin, Simone. “This Protein Bar Cofounder Sold His Company For $600 Million. Now He Wants Another Bite Of The Market”. Forbes. Retrieved 2026-06-11.
  3. ^ “Live Episode! RXBAR: Peter Rahal”. NPR. 2018-08-10. Retrieved 2026-06-11.
  4. ^ “RXBar Co-Founder Peter Rahal on Turning Dyslexia into Opportunity”. The Failure Factor. 24 July 2025. Retrieved 2026-06-11.
  5. ^ a b “Meet Lebanese Entrepreneur And Co-founder Of RXBar Peter Rahal”. The961. 2021-02-26. Retrieved 2026-06-11.
  6. ^ O’Connor, Rod (2017-12-11). “The Improbable Success of RXBar’s Peter Rahal”. Chicago Magazine. Retrieved 2026-06-11.
  7. ^ “Peter Rahal”. Crain’s Chicago Business. Retrieved 2026-06-11.
  8. ^ Dunn, Elizabeth (2025-07-27). “The Protein Bar Arms Race”. The New York Times. ISSN 0362-4331. Retrieved 2026-06-11.
  9. ^ a b Just, Brooke (2024-09-03). “RXBAR founder making waves in the protein bar space”. Food Business News. Retrieved 2026-06-11.
  10. ^ Herring, Sophia (2026-01-28). “The Guy Behind David Protein Bars Loves CrossFit and Controversy”. Vanity Fair. Retrieved 2026-06-11.
  11. ^ Casey, Chris (2024-08-26). “RXBar founder ‘betting everything on protein’ with new venture”. Food Dive. Retrieved 2026-06-11.
  12. ^ Watson, Elaine (2025-06-03). “BREAKING: Peter Rahal, David Protein, sued over ‘bait & switch’ scheme to monopolize Epogee’s fat replacer”. AgFunderNews. Retrieved 2026-06-11.
  13. ^ Gemayel, Fouad (2025-07-24). “Peter Rahal’s protein bar business now valued at $725 million”. L’Orient Today. Retrieved 2026-06-11.