About
Yisroel Brumer is a Founding Partner at Red Cell, and Co-Founder and CEO of DEFCON AI as well as Co-Founder, Executive Vice Chairman, and former CEO of Zephyr AI, both Red Cell portfolio companies. Before joining the firm, he held executive roles in the U.S. Department of Defense, most recently as Acting Director of Cost Assessment and Program Evaluation, where he oversaw major investment programs and strategic portfolio reviews. He holds a Ph.D. in Chemical Physics and an M.Sc. in Chemistry from Harvard University.
Invests in
AI & Machine LearningDefense Tech
Experience
- DEFCON AICo-Founder and Chief Executive Officercurrent2022 β present
- Zephyr AICo-Founder/Executive Vice Chairmancurrent2022 β present
- Zephyr AICo-founder/CEO2020 β 2022
- Bretton Woods CommitteeMembercurrent2025 β present
- TARA MindBoard Membercurrent2024 β present
- Red Cell PartnersFounding Partner2024 β 2026
- Red Cell PartnersPresident2022 β 2024Washington DC-Baltimore Area
- Red Cell PartnersCo-Founder and Partner2020 β 2022
- Office of the Secretary of DefenseActing Director and/or Principal Deputy Director, OSD/CAPE2018 β 2020Arlington, Virginia, United States
- Office of the Secretary of DefenseDeputy Director (Analysis and Innovation), OSD/CAPE2017 β 2018Arlington, Virginia, United States
- Office of the Secretary of DefenseDirector, Strategic, Defensive, and Space Programs2012 β 2017Arlington, Virginia, United States
- Office of the Secretary of DefenseDirector, Program Analysis Division2011 β 2012Arlington, Virginia, United States
- Office of the Secretary of DefenseOperations Research Analyst2005 β 2011Arlington, Virginia, United States
- U.S. Department of Homeland SecurityAAAS Homeland Security Fellow2004 β 2005Washington DC-Baltimore Area
- Harvard UniversityPostdoctoral Research Scientist2003 β 2004Cambridge, Massachusetts, United States
- Harvard UniversityGraduate Student Researcher1999 β 2003Cambridge, Massachusetts, United States
Education
- Harvard UniversityPh.D., Chemical Physics1999 β 2003
- Harvard UniversityMaster's degree, Chemistry1999 β 2001
- University of TorontoBachelor's degree, Chemistry/Mathematics/Biology1995 β 1999
Same school
Also attended Harvard University1,170
Alfred LinPartner at Sequoia CapitalChris DixonFounder & Managing Partner of a16z crypto at Andreessen HorowitzSarah TavelVenture Partner at BenchmarkDanny RimerPartner at Index VenturesLaela SturdyManaging Partner at CapitalGRyan IsonoDeal Partner at Felicis Ventures
+ 1,164 more
Also attended University of Toronto221
Yasmin RazaviInvestor at Spark CapitalImran BashirFounding Partner, Chief Operating Officer at Extreme Venture PartnersKarim GillaniGeneral Partner at Luge CapitalAndrew MiklasGeneral Partner at Y CombinatorMike MontanoInvestor at True VenturesAlex KolicichInvestment Team at 8VC
+ 215 more
Shared employers
Also worked at DEFCON AI3
Also worked at Zephyr AI6
Steve MurrayAdvisor, Revolution Growth at RevolutionGrant VerstandigFounder, Chairman, & CEO at Red Cell IncubationTroy BurtonHead of Product at Red Cell IncubationKatie StappSenior Human Resources Manager at Red Cell IncubationChip NashEntrepreneur in Residence, Healthcare at Red Cell IncubationJeff ShermanCo-Founder and CTO, Zephyr AI at Red Cell Incubation
Also worked at Bretton Woods Committee2
Also worked at Red Cell Partners59
Geyer JonesFormer Chief Strategy Officer at RSA Security at Scale Venture PartnersBill GearyExecutive Partner at Flare Capital PartnersGrant VerstandigFounder, Chairman, & CEO at Red Cell IncubationGeorge BarnesPresident, Cyber Practice at Red Cell IncubationTroy BurtonHead of Product at Red Cell IncubationVeronica DaiglePresident, National Security Practice at Red Cell Incubation
+ 53 more
Deals Β· 1
Zephyr AI, Inc.Board seat
via Red Cell Incubation Β· filed Mar 2024 Β· $120.7M raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at Red Cell Incubation
Alan Shaffer
Senior Advisor, National Security & Healthcare at Red Cell Incubation
Aly Carbaugh
Junior Analyst at Red Cell Incubation
Amanda Aguayo
Co-Founder, Hunted Labs at Red Cell Incubation
Aniqua Bokhari
Legal Counsel at Red Cell Incubation
Anne Powers
Executive Assistant at Red Cell Incubation
Arianna Urekew
Senior Operations Associate, National Security at Red Cell Incubation
Ava Thompson
Marketing Associate at Red Cell Incubation
Barrett Yates-Mack
Chief Financial Officer at Red Cell Incubation





























