Albers School of Business and Economics
Faculty and Staff

John R. Castle, ScD

  • John R. Castle
    PMD, Program for Management Development, Harvard University
    ScD, Chemical Engineering, MIT
    BS, Chemical Engineering, MIT
    Adjunct, Management
    Phone: 425-296-1079

    Teaching Areas

    • Business Planning


    Personal Bio

    John Castle teaches Entrepreneurship at the University of Washington Foster School of Business and advises companies on how to turn their technologies into profitable businesses. He previously was co-founder and CEO of Cantametrix, a music software company, CEO of Hamilton-Thorn, a medical electronics and diagnostics company; Executive VP and co-founder of Seragen, a biotechnology company, and a partner in Washington Biotechnology Funding, a seed venture capital fund specializing in medical technologies. In addition he has been a principal, director or advisor to many other early-stage companies including, Biohesion, Savtech, Goodwell Technologies, Excition, Simbree, YourSports, Point B Technologies, Sunriver Specialties, Microgreen Polymers, Cyberspeed Technologies, Sharebuilder and American BioDesign, and is a member of the Keiretsu Forum which provides financing to early-stage companies. Dr. Castle has provided leadership or guidance to several large companies including Danaher Corp., FMC Corp., Procter & Gamble, Penwest, Johnson Controls, Washington Dental Service, Eldec, Arthur D. Little, and the Harris Group. He has been an expert witness in matters related to management and director responsibilities in entrepreneurial ventures. Dr. Castle's innovative methods help students and clients focus on the elements of the venture that are essential for success. His practical classes have spawned several new companies and he has coached several prize-winning teams in national business plan competitions and in the UW Business Plan Competition. He has been honored several times as one of the University of Washington's outstanding business professors and has been an invited speaker at numerous events for entrepreneurs. He serves on the boards of nonprofits Encompass, MIT Enterprise Forum of the Northwest and the Northwest Entrepreneur Network and is a graduate of MIT in Chemical Engineering, and the Harvard Graduate School of Business.