Senior Year (2009)
Appeared in 13 matches and 37 sets ... had 13 kills and eight blocks over the three matches of the Redbird Classic ... recorded a season-high eight blocks against Creighton (9/26) ... had a season-best seven kills at Southern Illinois (10/2).

Junior Year (2008)
Missed the entire season with an injured shoulder.

Sophomore Year (2007)
Appeared in 23 matches with 21 starts... ended the season with 109 kills, 15 set-assists, 31 service aces, 54 digs, 46 blocks and 164.5 points ... her 0.40 service aces per set ranked second in the Valley ... missed eight matches due to a sprained ankle she suffered in warm-ups prior to ISU's match at Northern Illinois (8/28) ... tallied a season-best 13 kills in the Redbirds' five-set win over Northern Iowa (10/6) ... also scored a career-high 17.0 points against the Panthers, capitalizing on three blocks ... followed it up with 11 kills and a career-best seven digs at Indiana State (10/13), to complete her two double-digit kill efforts ... recorded a season-best five blocks and a career-high .571 hitting percentage against UNI in the championship match of the State Farm Missouri Valley Conference Tournament ... tallied four blocks against Indiana State (11/8) and Wichita State (11/23) in the Valley Tournament ... hit .400-or-better in three of ISU's final five matches ... tallied seven efforts with a .300 or better hitting percentage.

Freshman Year (2006)
Missouri Valley Conference All-Newcomer Team selection ... appeared in 29 matches with 20 starts ... after becoming a permanent starter at Southern Illinois (9/23), averaged 2.04 kills and 1.24 blocks per set ... recorded double-digit kill efforts in seven matches ... hit .300-or-better in eight individual contests ... collected a career-high 13 kills against DePaul (9/2) ... recorded two double-digit block performances, including a season-high 13.0 total blocks with 12 block-assists in a five-game victory over Saint Louis (9/26) ... had nine block-assists at Drake (9/30) and at Creighton (10/28) ... scored 250.0 total points with 12 double-digit scoring efforts.

Prior To ISU
Started volleyball all four years, winning the regional championship in 2003, 2004 and 2005 ... as a junior and senior, was named to the all-area and all-conference teams, while also being picked as the Jacksonville Tournament MVP in 2005 ... team co-captain as both a junior and senior ... in both her sophomore and junior seasons, was named an Illinois High School Association (IHSA) and Big 12 Conference Scholar Athlete, and a BHS Academic Scholar ... three-year member of the Illini Elite Volleyball Club, which finished in the top-11 nationally in her final two years, including a third-place finish in 2005 ... played alongside current ISU teammate Mallory Leggett with the club ... member of the National Honor Society.

Personal
Katelyn Elizabeth Seyller (SIGH-ler)... born April 7, 1988 ... daughter of Dave and Robin Seyller ... her father is an ISU alum ... one sister (Lauren) ... majoring in business administration.