Dave Rossum is an American engineer and entrepreneur known for his contributions to the field of music technology. He is the founder of Rossum Electro-Music, a company that designs and manufactures innovative audio equipment, particularly modular synthesizers. His work has significantly influenced the development of electronic music. In addition to his work at Rossum Electro-Music, Dave Rossum is recognized for his earlier role at E-mu Systems, where he helped create groundbreaking products like the E-mu Emulator, one of the first digital samplers. His expertise in sound synthesis and design has made him a prominent figure in the music industry.