2014-15: Member of Northwestern's backstroke and individual medley squads … Academic All-Big Ten … Was ranked second in the 200 back and 200 IM, fourth in the 100 back and fifth in the 400 IM on NU's top times list … Scored points with every 200 back swim of the season entering the Big Ten Championships … Swam career-best times in all three of her events at the conference meet … Narrowly missed a second swim in the 200 back with a career-best and NCAA 'B' provisional qualifying time of 1:58.70 to place 25th overall after breaking the 2:00 barrier for the first time … That swim placed her eighth in school history in the event … Had career-best times in both the 200 IM (32nd; 2:02.37) and 400 IM (34th; 4:24.07) at the B1G meet … Earned five second swims including three championship final berths at Northwestern's home TYR Invitaitonal (11/21-11/23) … Finished second in the 200 back, third in the 50 back and sixth in the 100 back for the Wildcats … Best swim at the TYR came in the consolation final of the 200 IM which she won via a career-best 2:04.04 that lowered her previous mark by over 1.5 seconds … She also took 10th in the 400 IM at the TYR … Scored dual-meet points in the fall with 11 top-five event finishes for the Wildcats, including second-place results in the 200 back during a win over Illinois (10/17), a sweep of UIC and Oakland (10/25) and a Senior Night victory against Milwaukee (1/16).
2013-14: Ranked on NU's top times in three categories, 100 back, 200 back and 200 IM ... Competed at US Winter National Championships in Greensboro, N.C. from Dec. 4-6 ... Finished No. 42 at 200 back in US Winter National Championships, No. 68 in 100 back, No. 50 at 200 IM and anchored 4x50 medley team, helping NU reach B final after finishing No. 11 in prelims and No. 13 in finals ... Competed in 200 IM, 100 back and 200 back at Big Ten Championships, finishing No. 50 in 200 IM, No. 52 in 100 back and No. 33 in 200 back ... Reached finals at TYR Invite in 200 IM, 200 free, 100 back, 200 back and 50 back ... Made college debut vs. Illinois/Eastern Michigan (10/18), finishing No. 3 in 100 back and No. 2 in 200 back ... Finished No. 3 in 200 back vs. WKU (10/25) ... Finished No. 2 in 200 back vs. Wisconsin (11/15) ... Swam in 200 back at Shamrock Invite (1/31).
High School: Olympic Trials and Junior Nationals qualifier ... Ranked as the No. 8 recruit in the state of Georgia by Collegeswimming.com ... All-state honoree in 2012 as a junior after winning the 4x100 free relay state championship in school-record fashion ... Also holds the 100 free and 100 back school records ... Team placed fifth in the state and third in the county in 2012 ... Team MVP in all years of high school while also earning all-country recognition in 2010-11 ... Swam club for Stingrays Swimming starting in 2000 ... Team took 10th at Junior Nationals and first in the Georgia Long Course State meet ... Scholastic All-American ... National Honor Society and Beta Club vice president.
Personal: Born Melissa Ann Postoll ... Daughter of David and Patricia Postoll ... Chose Northwestern over Harvard, Georgia Tech and Pennsylvania ... Major is undeclared.
POSTOLL'S CAREER BESTS
| Event | Career Best |
| 100 backstroke | 56.60 |
| 200 backstroke | 1:58.70 |
| 200 freestyle | 1:52.79 |
| 200 IM | 2:02.37 |
| 400 IM | 4:24.07 |