| Height: | 6-0 |
| Year: | So. |
| Hometown: | Springfield, OH |
| High School: | Springfield North High School |
| Position: | Fly, IM |
| Major: | Economics |
| Parents: | Samuel & Antigone |
Sophomore (2007-08):
In his sophomore season, Petroff earned his second-career all-America certificate, contributing to the 200-yard medley relay's eighth-place finish at the NCAA Division III Championships. He also earned all-America honorable mentions in the 200-yard butterfly, and as part of the 400-yard medley relay team. Petroff won UAA Championships in both the individual 100-yard and 200-yard butterfly, in addition to all-UAA honors in the 200-yard individual medley, and the 200-yard medley relay. Petroff was Emory's top performer in the 100-yard butterfly during the season, recording a time of 50.24 seconds at the Division III Championships. He was also the second-best performer on the squad in the 200-yard butterfly. Petroff scored 172.75 points during the season, the 10th-best mark by an Eagle.
Freshman (2006-07):
Petroff earned All-America honors as part of the Eagles' 400-medley relay team, and an All-America honorable mention in the 400-medley relay. He swam in six different events throughout the season for the Eagles, earning a total of 187.50 points. The freshman recorded top-five times by an Emory swimmer last season in both the 100- and 200-butterfly.
Career Best Times:
| 22.48 | 50 | Free | 11/21/2008 | vs. UGA |
| 1:48.29 | 200 | Free | 1/17/2009 | vs. Limestone and Darton |
| 4:56.64 | 500 | Free | 1/27/2007 | 2007 Transylvania vs. Emory Dual |
| 48.54 | 100 | Fly | 3/18/2009 | NCAA Division III Championships |
| 1:48.75 | 200 | Fly | 3/18/2009 | NCAA Division III Championships |
| 1:51.61 | 200 | IM | 3/18/2009 | NCAA Division III Championships |
Honors:
| 2007 | All-America | 400 Medley Relay | 3rd |
| All-America Honorable Mention | 200 Fly | 14th | |
| 2008 | All-America | 200 Medley Relay | 8th |
| All-America Honorable Mention | 200 Fly | 15th | |
| 400 Medley Relay | 9th | ||
| UAA Champion | 100 Fly | ||
| 200 Fly | |||
| All-UAA | 200 Medley Relay | 2nd | |
| 100 Fly | 1st | ||
| 200 Fly | 1st | ||
| 2009 | All-America | 100 Fly | 4th |
| 200 Fly | 6th | ||
| 400 Medley Relay | 4th | ||
| All-America Honorable Mention | 200 IM | 12th | |
Prior to Emory:
Attended Springfield Worth High School, where he swam for four seasons... Served as the co-captain of the team duringhis senior year... Competed in the 100 and 200 meter butterfly and the 200 meter IM... Named a high school all-American... Coached by Dave Johnson... Finished in 4th place in the 200 meter butterfly and 6th place in the 100 meter butterfly at the 2006 YMCA National Championships... Finished in fifth place in the 100 meter butterfly at the Ohio High School State Championships.
Personal:
Born on October 23, 1987.
Quote:
"I chose Emory because the academic aspect of the school is so strong, and the team environment is so inviting."