Overview
William Browne serves as Chief Technology Officer at Swayable [1][3], where Browne leads engineering on systems to measure human response to media at scale, with focus on data pipelines, applied machine learning, and AI-enabled workflows [2]. Browne previously held the position of Chief Technology Officer at AlphaROC from September 2022 to December 2025, leading engineering and data across product, platform, and applied machine learning work spanning NLP, fraud detection, ad targeting, and generative AI [2][4]. Before AlphaROC, Browne spent over eight years at Quantcast in progressively senior roles, beginning as a Modeling Engineer in March 2011 and advancing to Head of Engineering for the Modeling Platform by June 2018 [5][9]. Browne holds a Ph.D. in Theoretical Chemistry from the University of California, Berkeley and a B.A. in Chemistry from New College of Florida [10][11].
Profile introduction
CTO at Swayable. Engineering leader with 15+ years of experience building and scaling machine-learning–driven products and platforms in high-ownership environments. I lead engineering at Swayable, where we build systems to measure real human response to media at scale. My focus is on reliable data pipelines, applied machine learning, and AI-enabled workflows that turn messy signals into decisions customers can trust. Previously, I was CTO at AlphaROC, leading engineering and data across product, platform, and applied ML. The work spanned NLP, fraud detection, ad targeting, and generative AI,…
Career history
- Chief Technology OfficerJan 2026 to presentSwayable
- Chief Technology OfficerSep 2022 to Dec 2025AlphaROC
- Head of Engineering, Modeling PlatformJun 2018 to Sep 2022Quantcast
- Senior Engineering ManagerApr 2017 to Jun 2018Quantcast
- Staff Modeling Scientist / Engineering ManagerMar 2016 to Mar 2017Quantcast
- Senior Modeling ScientistMar 2014 to Mar 2016Quantcast
- Modeling EngineerMar 2011 to Mar 2014Quantcast
Education
Ph.D., Theoretical Chemistry2004 - 2009University of California, Berkeley
B.A.2000 - 2004Chemistryat New College of Florida
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