Guy Yollin is the principal consultant for r-programming.org, a professional services organization that specializes in applying the R programming language to develop solutions in computational finance, quantitative risk management, and business analytics.

Prior to founding this consultancy, Guy served as a quantitative analyst, risk manager, and R language evangelist for two different Pacific Northwest hedge funds.  In between these hedge fund roles, Guy led the quant finance software development team at Insightful Corporation, developers of S-PLUS and S+FinMetrics.

Guy has given numerous talks on R/S programming for financial applications and teaches graduate courses in computational finance as a Visiting Lecturer at the University of Washington.  He holds a master’s degree in computational finance from the Oregon Health & Science University, and a bachelor’s degree in electrical engineering from Drexel University.