Coach Sarah Irigoin is entering her eighth season as the assistant varsity volleyball coach at RMC. Formerly the head coach of the junior varsity team, she assumed the role of primary assistant coach in 2019.
 Irigoin, a 2009 graduate of Rocky Mountain College, was a two-sport athlete for the Battlin' Bears, playing point guard on the basketball team for three seasons and playing outside hitter for the volleyball team for four seasons. As a volleyball player, Irigoin was a 1st team all-conference performer in 2009 and was a recipient of the AVCA Academic Award. Following her career at RMC, Irigoin went on to play in a club professional league in Barcelona, Spain, under head coach Mariano Singer.
Irigoin graduated in 2005 from Seeley-Swan High School in Seeley Lake, Mont., where she earned all-state honors in volleyball, basketball, and track. She graduated from RMC in the spring of 2009 with a bachelor's of science in exercise science and her master's in health administration. Irigoin was married in July 2012 to her husband Ryan, who is a teacher in Billings, and they have two children.