March 11 (Bloomberg) -- Bloomberg View columnist Barry Ritholtz interviews Jack Bogle, Founder of the Vanguard Group, Inc., and President of the Bogle Financial Markets Research Center. He created Vanguard in 1974 and served as Chairman and Chief Executive Officer until 1996 and Senior Chairman until 2000. This interview aired on Bloomberg Radio. See omnystudio.com/listener for privacy information.

Feb. 27 (Bloomberg) -- Bloomberg View columnist Barry Ritholtz interviews Professor Emanuel Derman, He is currently the Director of the MS Program in Financial Engineering in Columbia University's Industrial Engineering and Operations Research Department. He is best known for his work on the Black-Derman-Toy interest-rate model and for developing local volatility models of the implied volatility smile. This interview aired on Bloomberg Radio. See omnystudio.com/listener for privacy information.