Knack kninjas

Our team has expertise in behavioral and cognitive neuroscience, big data and data science, computer science and software engineering, game design, and user-experience design. Our intense focus on our users, our relentless pursuit of excellence, and our mission-driven science and engineering sets us apart.

We’re building technology for a bright future. And this is just the beginning.

  • Al Roth
    Alvin E. Roth, PhD
    Economist, Applied Game Theory
    Expert in market design
    Nobel prize winner in Economics, 2012
  • Chris Carroll
    Chris Carroll, PhD
    Data Science & Software Engineering Manager
    Post Doctoral Fellow, Carnegie Mellon
    PhD, Cognitive Psychology, UCLA
    MA, Cognitive Psychology, UCLA
    BS, Cognitive Science, Carnegie Mellon
  • Chris Chabris
    Christopher Chabris, PhD
    Scientific Advisor
    Professor of Psychology, Union College
    PhD, Cognitive Psychology, Harvard
    AB, Computer Science, Harvard
    Author, The Invisible Gorilla
  • Tchiki S. Davis, PhD
    Tchiki S. Davis, PhD
    Human Development Scientist
    Founder, The Berkeley Well-Being Institute
    PhD, Social & Personality Psychology,
    University of California Berkeley
    NIMH National Research Service Award
    MA, Affective Science, University of Denver
    BA, Psychology, Art, University of Colorado at Boulder
  • Will Geiger
    Will Geiger
    Director of Education Strategy and Partnerships
    MSEd, Education Entrepreneurship,
    University of Pennsylvania
    BA, History, Wake Forest University
    Associate Director of College Counseling,
    Hopkins School, New Haven CT
  • Christopher George
    Christopher George
    Project Coordinator
    Double Major in Business Administration and Finance
    Macaulay Honors College at Brooklyn College,
    City University of New York (2018)
  • Jeremy Gray
    Jeremy Gray, PhD
    VP of Research & Development
    Professor of Cognitive Psychology, Michigan State
    Professor of Cognitive Psychology, Yale University
    PhD, Cognitive Psychology, Harvard
    BS, Cognitive Neuroscience, UC Santa Cruz
  • Guy Halfteck
    Guy Halfteck
    CEO | Founder
    SJD, Harvard University
    LLM, Columbia University
    LLB, Hebrew University
    Vice Commander, Israeli Navy
  • Hans Haringa
    Hans Haringa, MSc, BEng, BEd
    Chief Innovation Officer
    Principal, GameChanger, Royal Dutch Shell
    MSc in Chemistry and Information Technology,
    BEd in Physics & Chemistry, University of Amsterdam
    BEng, Chemical Engineering,
    Amsterdam University of Applied Sciences
    Executive Certificate, Advanced Human Resource Program, University of Michigan Ross School of Business
  • Mark Howorth
    Mark Howorth, MBA
    Business Advisor
    Chief Executive Officer, SDI Media
    Partner, Bain & Company
    Senior Director of Global Recruiting, Bain
    CEO, National Mobile Television
    MBA, Harvard University
    BS, UC Berkeley
  • Thomas Jerde
    Thomas Jerde, MS
    Senior Data Scientist | R&D Manager
    BS, Neuroscience, Brown University
    BA, Music, Philosophy, Brown University
    Researcher, Neuroscience, Harvard University
    Neuroscience Program, Stanford University
    NSF and NIH National Research Service Award
  • Jacob Juan
    Jacob Juan
    Game Artist | Visual Designer
    BA, Economics, University of Texas
    Academy of Arts University, Art
    Lead Modeler and Artist, Anatomy Tools
    Lead Artist, Shattered Reality Interactive
  • tony
    Tony Kuang
    Senior Software Engineer
    BSc, Computer Science and Technology
    Wuhan University of Technology
  • Ranjani Prabhakaran
    Ranjani Prabhakaran, PhD
    Director of Business Operations & Behavioral Science
    PhD, Psychology, University of Pennsylvania
    BS, Neuroscience, Brown University
    Postdoctoral Fellow, Cognitive Neuroscience,
    Yale University
    Instructor, Cognitive Neuroscience, Yale University
    Postdoctoral Fellow, National Institute of Mental Health
  • Steve Woyach
    Steve Woyach
    Game Producer | Game Designer
    BS, Computer Science, USC
    Producer, Liquid Entertainment
    Teaching Assistant, Video Game Design, USC
  • jessy xu
    Jessy Xu
    Director, Global Enterprise Business
    MBA, Fudan University, China
    Regional Head, Attraction & Transformation, AXA
    HR Director, Roche Pharmaceuticals
    Head of HR, Asia, Standard & Poor’s
    General Manager, HR, Maersk Logistics
    Head of Operations, China, Maersk Logistics
  • phoebe
    Phoebe Yin
    Senior Software Engineer
    BS, Computer Science and Technology
    Jilin University
  • lin
    Lin Zhang
    Senior Software Engineer
    BSc, Information and Computation Science
    Shenyang University of Technology
  • gretchen mcdougall
    Gretchen McDougall
    Designer | Copywriter
    VP, Design Director, Young & Rubicam SF