Tom Oberheim has been developing electronic products for musicians for over 35 years. He invented a number of innovative electronic music products, including: the first polyphonic music synthesizer, the first phase shifter and ring modulator for the performing musician, the first completely programmable music synthesizer, and the first electronic music system that incorporated a synchronized music synthesizer, digital sequencer and digital drum machine. He has founded and managed three electronic music product companies, and served as a CEO and CTO. He also participated in the development and implementation of the MIDI standard.