Riley Muren enters his fifth season as an assistant men's and women's tennis coach at Webster University in 2026–27. A former Gorlok standout and the program's all-time leader in career singles victories, Muren joined the coaching staff in 2022 following a successful collegiate playing career.
During his time as a student-athlete at Webster, Muren established himself as one of the most accomplished players in program history. He finished his collegiate career with 50 singles victories, setting the school's all-time record, and earned Second Team All-SLIAC honors at No. 1 singles in both 2019 and 2022.
Muren was also a five-time SLIAC Player of the Week selection and was named to Webster Athletics' Men's Tennis All-Decade Team for the 2010s. During the COVID-19-shortened 2019–20 season, he posted a 10–2 singles record, including an undefeated 9–0 mark in dual matches at No. 1 singles.
In addition to his athletic accomplishments, Muren excelled in the classroom. He earned CoSIDA Academic All-District honors in 2022 and received ITA Scholar-Athlete recognition. During his final collegiate season, Muren maintained a 3.96 grade point average while pursuing his Master of Business Administration at Webster.
Prior to arriving at Webster, Muren began his collegiate playing career at the University of Illinois Springfield before transferring to the Gorloks in 2017.
A native of O'Fallon, Illinois, Muren attended O'Fallon Township High School, where he earned All-Conference and All-State honors in tennis. He recorded more than 100 career victories, qualified for the state tournament three times and captured three sectional championships.
Muren earned his bachelor's degree in Business from Webster University.
