AT SAN JOSE STATE: Completed two seasons with the Spartans...Honored by Association of Collegiate Water Polo Coaches (ACWPC) with a 2019 Scholar-Athlete award... A 2021 San Jose State University President's Scholar.
2020-21: Saw action in all nine contests... Honorable mention All-Golden Coast Conference honoree... Scored his season total of two goals in the 17-8 win over Santa Clara (3/13)... Named to the Golden Coast Conference All-Academic team.
2019: Played in eight matches...Recorded one goal and one assist.
HIGH SCHOOL: Graduated from Agoura High School in Agoura Hills, Calif. (Coach Dusty Litvak)... Named the 2018 Canyon League Most Valuable Player and a two-time USA Water Polo Academic All-American... Concluded his high school career playing in the 2018 Iain McPherson All-Star Game in Goleta, Calif.
MORE ON ETHAN: A political science major... Played for the Los Angeles Water Polo Club (Coach Dusty Litvak)... Parents are Dennis and Hilary Koch.
2020-21: Saw action in all nine contests... Honorable mention All-Golden Coast Conference honoree... Scored his season total of two goals in the 17-8 win over Santa Clara (3/13)... Named to the Golden Coast Conference All-Academic team.
2019: Played in eight matches...Recorded one goal and one assist.
HIGH SCHOOL: Graduated from Agoura High School in Agoura Hills, Calif. (Coach Dusty Litvak)... Named the 2018 Canyon League Most Valuable Player and a two-time USA Water Polo Academic All-American... Concluded his high school career playing in the 2018 Iain McPherson All-Star Game in Goleta, Calif.
MORE ON ETHAN: A political science major... Played for the Los Angeles Water Polo Club (Coach Dusty Litvak)... Parents are Dennis and Hilary Koch.
| Season | GP | Goals |
| 2019...FR | 8 | 1 |
| 2020-21...SO | 9 | 2 |
| Career | 17 | 3 |