Rob Glaser (born January 16, 1962) is the founder of RealNetworks (1994) which produced RealAudio, RealVideo, RealPlayer, and Helix (Helix project), among other products and services. Before founding RealNetworks, he had become a millionaire by working for Microsoft for ten years.

Glaser, while Chief Executive of Real Networks, clashed repeatedly with Tony Fadell, widely known as the Godfather of the iPhone and iPod, who then left the company after 5 weeks and went onto founding the products for Apple..

Glaser is a graduate of Yale University with an MA degree in Economics and a BS degree in Computer Science.

Glaser was the 22nd largest individual donor to 527 groups in the 2004 US election, donating over $2.2 million to pro-Democratic organizations. He was the leading creditor to Air America Radio, loaning at least $9.8 million according to its bankruptcy filing. (