2013-14 (Senior): Stewart had a great start to begin his senior year, at the Battle in the Tetons where he was defending the individual medalist title, he tied for third with a score 214 (-2). One week later he finished tied for 10th at the USAF Gene Miranda Invitational after recording a total mark of 215 (-1). He played in all 10 events for the Cowboys as a senior and finished the fall season with the team's best stroke average of 73.9 and recorded a 74.2 stroke average after the spring. His best finish of the spring came at the Mountain West Championship. He tied for 33rd at his second conference championship with a score of 223 (+10). He concluded his senior season leading Wyoming as the highest finisher twice. Stewart had a total of seven top-25 finishes as a Cowboy, three of which were in the top-10.
2012-13 (Junior): Stewart had an outstanding start to his junior campaign winning his first collegiate event, while helping the Cowboys to their first victory since 2000. At the Battle in the Tetons, Stewart put together three under-par rounds on his way to a five-shot victory. He carded rounds of 68 (-4), 69 (-3) and 71 (-1) for a three-round total of 208 (-8). His 54-hole score tied him for the third-best tournament score in Cowboy history. His effort helped the Pokes to their first team tournament victory since 2000 and the lowest combined team score in school history of 847 (-17). His next best finish on the season came at the PING Cougar Classic when he fired a four-over 220 to tie for 28th place. He also carded his fifth round under-par round of the season. At the Mountain West Championships, Stewart tied for 35th place with a final score of 230 (+17). At the Gene Miranda-AFA Invitational, he tied for 55th place with a final score of 227 (+11). At the Ram Masters Invitational, Stewart recorded his second top-50 finish of the season finishing tied for 41st place with a final tally of 224 (+14). At the following tournament the Mark Simpson-Colorado Invitational, he fired his fourth under-par round of the season carding a two-under 70 in the second round. He finished the tournament tied for 52nd place with a three-round score of 222 (+6). Stewart carried the Cowboys fourth-best stroke average of 75.25 on the season and recorded five under-par rounds.
2011-12 (Sophomore): Stewart struggled out of the gate in the spring but still carried the Cowboys' second-best stroke average for the season. He averaged 74.97 strokes per round while also shooting Wyoming's low round of the season at 67 (-5). During the spring of 2012 he recorded two top-30 finishes. His best finish of the spring came at the BYU Cougar Classic where he tied for 21st place. He shot rounds of 78 (+6), 73 (+1) and closed with a two-under 70 to finish with a score of 222 (+9). In the fall of 2011, he began playing excellent golf recording three top-25 finishes in the first four tournaments of the fall, including a top-10 and top-20 finish. At the Battle in the Tetons, the first tournament of the fall, he recorded his best finish of the season tying for seventh while shooting a career-low round of 67 (-5). He finished the tournament with a final score of even-par 216. At the Colorado Invitational, he recorded his second-consecutive top-25 finish firing rounds of 72 (E), 71 (-1) and 74 (+2), to finish the tournament in a tie for 22nd place with a score of 217 (+1). His other top-20 finish of the fall came at the New Mexico Tucker Intercollegiate where he placed in a tie for 18th. He recorded rounds of 75 (+3), 72 (E) and 75 (+3) giving him a final tally of 222 (+6). Throughout the season he recorded eight rounds of par or better.
2010-11 (Redshirt Freshman): Stewart redshirted the season for the Cowboys after transferring from Pacific University. He had an excellent summer season for UW, taking home the Wyoming State Amateur Championship with a three-round total of 206 (-10).
2009-10 (Freshman): Stewart competed for Pacific University before transferring to UW in the spring of 2010.
High School: Stewart played high school golf for Mike Witz at Jackson Hole High School where he was a three-year letterwinner. During his sophomore and junior seasons he was the Western 3A conference golf champion. He was also an All-State and All-Conference selection his freshman, sophomore and junior seasons. During his senior year of high school Stewart attended Saddlebrook Preparatory School and the Arnold Palmer Golf Academy where he earned hardest worker and leadership awards. He was also a member of the 3A State Champion Jackson Hole HS skiing team his junior year and was named All-State the same year in skiing. Stewart also excelled in the classroom being named Honor Roll all four years of high school.
Personal: Stewart was born on March 22, 1991, in Jackson Hole, Wyo. He is the son of Peter and Natalie and has an older sister, Megan. He plans to major in international studies at UW.