Michael Keyser was born in Baltimore, Maryland in 1947. After working for The Baltimore Sunpapers, he became interested in motor racing in 1969. For the next decade he was involved in the sport as a photographer, filmmaker and driver, winning the 12 Hours of Sebring in 1976.
In 1973 he produced a book and a film, both entitled The Speed Merchants. In 1999 he wrote an updated version of The Speed Merchants and also co-wrote A French Kiss With Death – Steve McQueen and the Making of Le Mans. In 2007 he designed, edited and published the award-winning Bernard Cahier: – F-Stops, Pit Stops, Laughter and Tears, and in 2011 produced the photo essay Behind Le Mans – The Film In Photographs and co-wrote Evolution of the Porsche 911 In Competition 1965-2010. In 2013 he co-wrote, designed and published Racing Demons – Porsche and the Targa Florio, and in 2014, Eighty Four Hours of Endurance – Daytona, Sebring, Watkins Glen 1970 & 1971. In 2015 he published Shooting Star On A Prancing Horse the memoirs of his late friend, Jonathan Williams, and in 2016, FITZ: My Life At The Wheel by John Fitzpatrick.
For the past 25 years he has operated Autosports Marketing Associates, Ltd. in Butler, Maryland, where he lives with his wife Beth.