About Mark Keil
Born 1967. Mark Keil is an American tennis player.
Mark Keil (born June 3, 1967) is a former professional tennis player from the United States who won five ATP Tour doubles tournaments and was runner up at eight more.
Early life and college Prior to college, Keil was raised in Albuquerque, NM and in 1985 he was the New Mexico high school state singles champion. Keil turned pro in the middle of his junior year (1987) from the University of South Florida when he was ranked #291 ATP singles and got a sponsor.
Professional career One of Keil's major career wins came in the second round of the 1991 Queen's Club Championships in London when he defeated Pete Sampras, then ranked 8th in the world, in straight sets. Keil went on to qualify in singles and play in the main draw at Wimbledon in 1991 and 1993 and reached a career-high ATP singles ranking of no. 167. He qualified and won a round in singles at the 1993 Australian Open.
Keil later carved a career for himself on the doubles tour, reaching a career-high ranking of no. 32 in 1995. He has doubles wins over Stefan Edberg, Yevgeny Kafelnikov, Boris Becker, Todd Martin, Tommy Haas, Andre Agassi, Gustavo Kuerten and Mark Philippoussis. He won five ATP Tour doubles titles in his career.
He also directed and produced with Geoff Grant a film documenting life behind the scenes for a tour professional. The Journeymen follows Keil and his sometimes doubles partner Geoff Grant, at the end of their careers, as they try to make a living on the doubles tour.
Family His father, Klaus Keil, was Emeritus Professor and a research scientist at the School of Ocean and Earth Science and Technology (SOEST) at the University of Hawaii at Manoa. Asteroid 5054 Keil, and the mineral keilite are named after Klaus. He has a former touring tennis pro sister, Kathrin Keil. He has a German passport, due to his parents lineage.
Keil was married from 1999–2001 to Dr. Camilla Hildebrand.
ATP career finals
Doubles (5 titles, 8 runner-ups)
Source: ATP
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Important facts
People in Mark Keil's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Mark Keil's
Frequently asked questions
Who is Mark Keil?
US tennis player
When was Mark Keil born?
Mark Keil was born on 3 June 1967 in Mountain View.
What is Mark Keil's occupation?
Mark Keil is a tennis player.
What nationality is Mark Keil?
Mark Keil is American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Mark Keil. https://biography.guide/mark-keil-tennis-player/
MLA: "Mark Keil." Biography.guide, https://biography.guide/mark-keil-tennis-player/.
Chicago: "Mark Keil." Biography.guide. https://biography.guide/mark-keil-tennis-player/.
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