Alex O'Brien
Alex O'Brien is a retired professional tennis player from the United States, who competed on the ATP Tour. He became the world No. 1 doubles player in May 2000 and was ranked as high as world No. 30 in singles in June 1997.
He won his only singles title at New Haven, Connecticut, in 1996 and reached the quarterfinals of the 1994 Cincinnati Masters and the 1996 Canada Masters. He won 13 doubles titles, the biggest coming at the US Open in 1999, the Cincinnati Masters in 1994, the Indian Wells Masters in 2000, and the Paris Masters in 1999.
Tennis career
Alongside his 13 titles, O'Brien also reached 20 doubles finals, including the Australian Open in 1996 & 1997, the U.S. Open in 1995, the Miami Masters in 1998, and the Canada Masters and the Rome Masters in 1997.He also played on the United States Davis Cup team, competed in the 2000 Sydney Olympics, and was a four-time All-American at Stanford University, where he won NCAA singles, doubles, and team titles in 1992. He earned a bachelor's degree in American Studies at Stanford in 1992.
On leaving his tennis career O'Brien founded an online business which markets, and distributes steaks. The O'Brien family has been in the beef business for 60 years basing their production out of the LIT Ranch. O'Brien is currently President and part owner of the Bank of Commerce, a small community online bank with branches in Amarillo and McLean Texas.
Grand Slam finals
Men's doubles (1 title, 3 runners-up)
Doubles finals
| Result | No. | Date | Tournament | Surface | Partner | Opponents | Score |
| Loss | 1. | Jan 1994 | Oahu, U.S. | Hard |  Jonathan Stark |  Tom Nijssen  Cyril Suk | 4–6, 4–6 |
| Loss | 2. | Feb 1994 | Scottsdale, U.S. | Hard |  Sandon Stolle |  Jan Apell Ken Flach | 0–6, 4–6 |
| Win | 1. | Aug 1994 | Cincinnati, U.S. | Hard | Sandon Stolle |  Wayne Ferreira Mark Kratzmann | 6–7, 6–3, 6–2 |
| Loss | 3. | Feb 1995 | San Jose, U.S. | Hard | Sandon Stolle | Jim Grabb Patrick McEnroe | 6–3, 5–7, 0–6 |
| Loss | 4. | May 1995 | Pinehurst, U.S. | Clay | Sandon Stolle | Todd Woodbridge Mark Woodforde | 2–6, 4–6 |
| Loss | 5. | Sep 1995 | U.S. Open, New York | Hard | Sandon Stolle | Todd Woodbridge Mark Woodforde | 3–6, 3–6 |
| Loss | 6. | Jan 1996 | Australian Open, Melbourne | Hard |  Sébastien Lareau | Stefan Edberg Petr Korda | 5–7, 5–7, 6–4, 1–6 |
| Loss | 7. | Jun 1996 | London/Queen's Club, England | Grass | Sébastien Lareau | Todd Woodbridge Mark Woodforde | 3–6, 6–7 |
| Win | 2. | Oct 1996 | Stuttgart Indoor, Germany | Hard | Sébastien Lareau | Jacco Eltingh Paul Haarhuis | 3–6, 6–4, 6–3 |
| Loss | 8. | Nov 1996 | Doubles Championships, Hartford | Carpet | Sébastien Lareau | Todd Woodbridge Mark Woodforde | 4–6, 7–5, 2–6, 6–7 |
| Loss | 9. | Jan 1997 | Australian Open, Melbourne | Hard | Sébastien Lareau | Todd Woodbridge Mark Woodforde | 6–4, 5–7, 5–7, 3–6 |
| Win | 3. | Mar 1997 | Philadelphia, U.S. | Hard | Sébastien Lareau |  Ellis Ferreira Patrick Galbraith | 6–3, 6–3 |
| Loss | 10. | Apr 1997 | Orlando, U.S. | Clay | Jeff Salzenstein |  Mark Merklein Vince Spadea | 4–6, 6–4, 4–6 |
| Loss | 11. | May 1997 | Rome, Italy | Clay |  Byron Black | Mark Knowles Daniel Nestor | 3–6, 6–4, 5–7 |
| Win | 4. | Jul 1997 | Los Angeles, U.S. | Hard | Sébastien Lareau |  Mahesh Bhupathi Rick Leach | 7–6, 6–4 |
| Loss | 12. | Aug 1997 | Montreal, Canada | Hard | Sébastien Lareau | Mahesh Bhupathi Leander Paes | 6–7, 3–6 |
| Loss | 13. | Aug 1997 | New Haven, U.S. | Hard | Sébastien Lareau | Mahesh Bhupathi Leander Paes | 4–6, 7–6, 2–6 |
| Loss | 14. | Oct 1997 | Beijing, China | Hard | Jim Courier | Mahesh Bhupathi Leander Paes | 5–7, 6–7 |
| Loss | 15. | Mar 1998 | Miami, U.S. | Hard | Jonathan Stark | Ellis Ferreira Rick Leach | 2–6, 4–6 |
| Win | 5. | Apr 1998 | Hong Kong | Hard | Byron Black | Neville Godwin  Tuomas Ketola | 7–5, 6–1 |
| Loss | 16. | May 1998 | Atlanta, U.S. | Clay | Richey Reneberg | Ellis Ferreira Brent Haygarth | 3–6, 6–0, 2–6 |
| Loss | 17. | Aug 1998 | New Haven, U.S. | Hard | Sébastien Lareau | Wayne Arthurs Peter Tramacchi | 6–7, 6–1, 3–6 |
| Win | 6. | Nov 1998 | Stuttgart Indoor, Germany | Hard | Sébastien Lareau | Mahesh Bhupathi Leander Paes | 6–3, 3–6, 7–5 |
| Win | 7. | Jan 1999 | Doha, Qatar | Hard | Jared Palmer | Piet Norval Kevin Ullyett | 6–3, 6–4 |
| Loss | 18. | Feb 1999 | Memphis, U.S. | Hard | Sebastiean Lareau | Todd Woodbridge Mark Woodforde | 3–6, 4–6 |
| Win | 8. | Jun 1999 | London/Queen's Club, England | Grass | Sébastien Lareau | Todd Woodbridge Mark Woodforde | 6–3, 7–6 |
| Win | 9. | Sep 1999 | U.S. Open, New York City | Hard | Sébastien Lareau | Mahesh Bhupathi Leander Paes | 7–6, 6–4 |
| Win | 10. | Nov 1999 | Paris, France | Carpet | Sébastien Lareau | Paul Haarhuis Jared Palmer | 7–6, 7–5 |
| Win | 11. | Nov 1999 | Doubles Championships, Hartford | Carpet | Sébastien Lareau | Mahesh Bhupathi Leander Paes | 6–3, 6–2, 6–2 |
| Loss | 19. | Jan 2000 | Doha, Qatar | Hard | Jared Palmer | Mark Knowles  Max Mirnyi | 3–6, 4–6 |
| Win | 12. | Mar 2000 | Indian Wells, U.S. | Hard | Jared Palmer | Paul Haarhuis Sandon Stolle | 6–4, 7–6 |
| Win | 13. | Aug 2000 | Washington D.C., U.S. | Hard | Jared Palmer | Andre Agassi  Sargis Sargsian | 7–5, 6–1 |
| Loss | 20. | Feb 2001 | Memphis, U.S. | Hard | Jonathan Stark | Bob Bryan Mike Bryan | 3–6, 6–7 |