Super Senior (Fall 2023)
Played in all four fall events … posted a 73.33 stroke average in 12 rounds … fired a 3-over-par 219 (72-69-78) to tie for 27th at the Valero Texas Collegiate … also carded a 219 (73-72-74) for a share of 48th at the William H. Tucker Intercollegiate … tied for 14th with a 221 (74-71-73) at The Carolina Cup … was 39th at The Carolina Cup after posting a 221 (70-75-76).
Senior (2022-23)
Appeared in all 11 tournaments … posted a 74.19 stroke average … fired a 5-under-par 211 (72-71-68) to tie for 13th place at the Trinity Forest Invitational … carded a 4-under 212 (68-71-73) to grab a share of 19th place at the Jim Rivers Intercollegiate … finished in a tie for 27th at the Conference USA Championship after turning in a 226 (76-77-73) … tied for 30th with a 150 (71-79) at The Clerico … registered a 218 (70-70-78) to tie for 31st at the Bayou City Collegiate Classic … was 33rd at the All-American Intercollegiate after registering a 221 (76-74-71) … Srixon/Cleveland Golf All-America Scholar … C-USA Commissioner's Honor Roll member … 2023 C-USA Spring Spirit of Service Award recipient.

Junior (2021-22)
Played in all 11 events … logged a 75.59 stroke average … fired a 1-over-par 217 (73-70-74) to tie for 28th at the Jim Rivers Intercollegiate … tied for 13th after carding a 223 (72-78-73) to help UTSA win the Lone Star Invitational team title … recorded a 219 (75-74-70) to tie for 65th at the Wyoming Cowboy Classic … tied for 42nd at the Conference USA Championship after turning in a 74-75-75—224 … posted a 223 (71-76-76) to tie for 50th at the Trinity Forest Invitational … Srixon/Cleveland Golf All-American Scholar … C-USA Commissioner's Honor Roll member.

Sophomore (2020-21)
Carded a 2-over-par 218 (72-71-75) to tie for 25th place at the Louisiana Classics while competing as an individual in his only appearance of the season … C-USA Commissioner's Honor Roll member.

Freshman (2019-20)
Appeared in four events and posted a 72.67 stroke average in a season cut short by the COVID-19 pandemic … tied for seventh place after firing a 1-over-par 217 (70-72-75) at the Lone Star Invitational in his collegiate debut … posted a 1-under 212 (70-72-70) to tie for 23rd at the Trinity Forest Invitational … tied for 44th with a 220 (73-75-72) at the Royal Oaks Intercollegiate … C-USA Commissioner's Honor Roll member.

Prior to UTSA
Ranked 10th in the state of Texas and 37th in the nation for the class of 2019 by Golfweek … all-state, all-region and all-district performer for head coach Barry Hawkins at Byron Nelson High School … fired a 5-under-par 139 (73-66) to tie for the individual lead at the end of stroke play at the Class 6A state tournament as a senior … eventually settled for runner-up honors after a playoff and helped guide the Bobcats to sixth place in the team race … captured the District 5-6A title with a school-record 138 that included a Robson Ranch Golf Club course record 66 in the final round … tied for individual medalist honors at the Region I-6A tournament after firing a 68-69—137 … state qualifier, district runner-up and fourth-place finisher at the Region 1-6A tournament as a junior … four-time academic all-district selection … played in the U.S. Junior Amateur after winning a qualifier in June 2019 … carded a 5-over-par 290 (70-75-70-75) to win the 2018 Fort Worth Junior Golf Boys Championship at The Colonial … captured the SHSU PGA Golf Management War at the Shore individual crown in April 2017 … fired a 72-71—143 to win the 2017 Thanksgiving Showdown at TPC San Antonio's AT&T Canyons Course … 2017 Nike Junior Golf Camps Granbury Classic individual medalist.

Personal
Full name is David Ishaan Harrison … born on Aug. 12, 2001, in White Rock, British Columbia … son of David and Jas Harrison … earned his bachelor's degree in finance in December 2023 … currently working on his MBA … President of UTSA's Student-Athlete Advisory Committee.