2018-19: Finished second in 100 IM and third in 200 back at TYR Invitational ... Also recorded personal best in 100 IM (51.01) and 100 back (50.08) ... Won 400 IM at NU Quad Meet.
2017-18: Junior swimmer that ranked first on NU's top times list in the 200 back, 200 IM and 400 IM ... Impressed at the Big Ten Championships (2.21-2.24) by swimming a career-best and placing in all three events, and earning three NCAA 'B' cut times in the process... Finished 14th in the 200 back (1:43.71), 17th in the 400 IM (3:50.13) and 23rd in the 200 IM (1:46.84) ... Came in third in the 200 back, fourth in the 400 IM, ninth in the 200 IM and 50 back, and 13th in the 100 back at the TYR Invitational (11.19) ... Swam career-best times in the 50 back (23.41) and 100 back (50.40) at the TYR Invitational ... Won the 200 IM and took second in the 200 back against Georgia Tech (10.21) ... Was first in the 200 back and second in the 100 back against SMU (1.13) ... Finished second in the 200 back and 200 IM against Iowa (1.20) ... Claimed third place in the 200 back, fifth in the 200 IM and sixth in the 100 back in the triple dual against Minnesota and Purdue (1.27).
2016-17: Ranked on four of NU's top times ... Ranked first at NU in the 200 back, 100 IM and 200 IM, and second in the 400 IM ... Swam NCAA 'B' cut times at the Big Ten Championships in the 200 back with a 1:44.09 and in the 400 IM with a 3:53.53 ... Finished 18th in the 200 back, 22nd in the 400 IM and 46th in the 200 IM at the Big Ten Championships ... Finished third in the 200 back at TYR ... Won the 200 back in the tri-dual against UChicago and UIC ... Academic All-Big Ten.
2015-16: Ranks fourth all-time at Northwestern in the 400 IM with a time of 3:50.71 that he posted at the Big Ten Championships ... Appeared on NU's season top times list in five events ... Swam the program's best 200 back time (1:44.56) at the conference championship ... Held NU's second-fastest time (1:49.01) in the 200 IM.
High School: Four-time all-conference, three-time all-state and two-time state champion ... Named the Longmont Times Call Swimmer of the Year in 2014 ... Team MVP as a sophomore and junior ... Owns five school records: 100 back, 200 IM, 100 fly, 500 free and 200 free ... Competed with Rally Sport Aquatics (RACE) from 2012-15, earning three team records, two pool records and an all-time top-10 spot in club history in eight different events ... Co-valedictorian of his high school class ... Student body secretary ... NHS vice president ... Leadership Academy Secretary ... Four-year honor roll member.
Personal: Born Tyler Queiroz Lis ... Son of Randy Lis and Tania Queiroz ... Dual citizen of the United States and Brazil ... Chose Northwestern over Boston University, Columbia and Denver ... Majoring in Economics and Social Policy.
2017-18: Junior swimmer that ranked first on NU's top times list in the 200 back, 200 IM and 400 IM ... Impressed at the Big Ten Championships (2.21-2.24) by swimming a career-best and placing in all three events, and earning three NCAA 'B' cut times in the process... Finished 14th in the 200 back (1:43.71), 17th in the 400 IM (3:50.13) and 23rd in the 200 IM (1:46.84) ... Came in third in the 200 back, fourth in the 400 IM, ninth in the 200 IM and 50 back, and 13th in the 100 back at the TYR Invitational (11.19) ... Swam career-best times in the 50 back (23.41) and 100 back (50.40) at the TYR Invitational ... Won the 200 IM and took second in the 200 back against Georgia Tech (10.21) ... Was first in the 200 back and second in the 100 back against SMU (1.13) ... Finished second in the 200 back and 200 IM against Iowa (1.20) ... Claimed third place in the 200 back, fifth in the 200 IM and sixth in the 100 back in the triple dual against Minnesota and Purdue (1.27).
2016-17: Ranked on four of NU's top times ... Ranked first at NU in the 200 back, 100 IM and 200 IM, and second in the 400 IM ... Swam NCAA 'B' cut times at the Big Ten Championships in the 200 back with a 1:44.09 and in the 400 IM with a 3:53.53 ... Finished 18th in the 200 back, 22nd in the 400 IM and 46th in the 200 IM at the Big Ten Championships ... Finished third in the 200 back at TYR ... Won the 200 back in the tri-dual against UChicago and UIC ... Academic All-Big Ten.
2015-16: Ranks fourth all-time at Northwestern in the 400 IM with a time of 3:50.71 that he posted at the Big Ten Championships ... Appeared on NU's season top times list in five events ... Swam the program's best 200 back time (1:44.56) at the conference championship ... Held NU's second-fastest time (1:49.01) in the 200 IM.
High School: Four-time all-conference, three-time all-state and two-time state champion ... Named the Longmont Times Call Swimmer of the Year in 2014 ... Team MVP as a sophomore and junior ... Owns five school records: 100 back, 200 IM, 100 fly, 500 free and 200 free ... Competed with Rally Sport Aquatics (RACE) from 2012-15, earning three team records, two pool records and an all-time top-10 spot in club history in eight different events ... Co-valedictorian of his high school class ... Student body secretary ... NHS vice president ... Leadership Academy Secretary ... Four-year honor roll member.
Personal: Born Tyler Queiroz Lis ... Son of Randy Lis and Tania Queiroz ... Dual citizen of the United States and Brazil ... Chose Northwestern over Boston University, Columbia and Denver ... Majoring in Economics and Social Policy.
LIS' CAREER BESTS
| Event | Career Best |
| 50 back | 23.41 |
| 100 back | 50.08 |
| 200 back | 1:43.71 |
| 100 IM | 51.01 |
| 200 IM | 1:46.84 |
| 400 IM | 3:50.13 |
| 200 free | 1:44.57 |
| 500 free | 4:36.66 |
| 50 fly | 23.07 |
| 200 fly | 1:57.10 |
| 200 breast | 2:12.18 |