- Source of Wealth: Dolby Laboratories
- Age: 78
- Marital Status: Widowed (Ray Dolby)
- Full Name: Dagmar Dolby
- Nationality: American
- Date of Birth: June 28, 1941
- Occupation: Businesswoman
- Education: Cambridge University
- Children: 2 (Tom, David)
Dagmar Dolby is an American entrepreneur with an estimated net worth of $3.2 billion as of May 2015 according to Forbes. She is best recognized as the wife of the late Ray Dolby who pioneered the Dolby Laboratories in 1965. As of February 2014, Dagmar has already earned around $350 million in cash from the sales of her Dolby shares.
Dagmar Dolby was born on the 28th of June 1941. Originating from Germany, Dolby went to Cambridge University where she met her future husband Ray Dolby. She was married to Ray Dolby for 47 years when the latter died of leukemia in September 2013. The couple has two sons named David and Tom.