Head Coach Keller Sims returns to the Razorback Hockey Coaching Staff for his ninth season behind the bench as head coach. 2025-26 will mark his third season serving in the role of Director of Hockey Operations. Coach Sims will also serve as the MACHA Gold Commisioner starting in the 2025-26 season. Hailing from Wichita Falls Texas, Coach Sims enjoyed a successful hockey career in the Dallas-Fort Worth area where he would finish his career playing three seasons in the Texas Brahmas system before enrolling at the University of Arkansas.

Since taking over coaching duties in the 2017-18 season, Coach Sims has helped lead the Hogs on a unprecedented run of success, including six nationals appearances in seven years. Coach Sims helped lead the team to the programs best finish, National Runner Up in 2021, in addition to the programs first two Frozen Four appearances. In 2024-25 Coach Sims helped lead the Hogs to Central Regional Appearance in their first year of competition at the Division II level. In addition to their national success, Coach Sims’ Razorbacks have also had tremendous success at the conference level: 2017-18 SECHC Champions, 2019-20 Pacific Region #1 Seed, 2021-22 MACHA South Division Champions, 2021-22 MACHA Conference Regular Season Champions, 2021-22 MACHA Conference Tournament Champions, 2022-23 MACHA Conference Tournament Runner Up, 2024-25 MACHA Tournament Champions.

As a result of leading his team to a 29-3-2 record and conference title, Coach Sims was rewarded with the highest honors from his peers, the 2023 ACHA National Coach of the Year. In addition, Coach Sims was named 2023 MACHA Silver coach of the year. He was named MACHA Gold Coach of the year after leading his team to a MACHA Championship and Regional appearance in 2024-25. As of the completion of the 2024-25 season, Coach Sims boasts a regular and post season record of 184-50-3 (77.64%), including a record of 12-3-3 in the national tournament.

Coach Sims holds a Bachelor of Science with a major in kinesiology from the University of Arkansas (’13) and a Doctorate of Physical Therapy from the University of Arkansas for Medical Sciences (’19).  Away from the rink, Coach Sims is a licensed Physical Therapist in the state of Arkansas and has a passion for helping individuals who are affected with strokes and amputations, serving on the amputee and stroke recovery programs at Encompass Heath and Rehab Fayetteville. Due to his contributions to Razorback Hockey and his work as a physical therapist, Coach Sims was named to the NWA Business Journal’s 40 under 40 class of 2025. In his spare time, he enjoys to spend time with his wife Cailtyn, and their children Nash, Parker, and Kennedy.