He is also president of Derivatives Software, which specialises in software for standard and exotic options and swaps; VaR models, term structure based models as well as credit derivatives and weather derivatives. Gunter has held a number of visiting professor positions at universities including: McMaster, University of Technology Sydney, Thammasat University Thailand and Ecole Nationale des Ponts et ChaussÃ©es, Tokyo and NYU New York. Prior to working within academia Gunter was head of options at Deutsche Bank, Tokyo from 1994-1996. He was head of product development at Deutsche Bank, Frankfurt and an interest rate derivatives trader for Deutsche Bank, in both Frankfurt and New York.