University of Northern Colorado Baseball Camps

Coaching Staff




R.D. Spiehs was promoted to Associate Head Coach on August 20, 2015 by Head Coach Carl Iwasaki to. During his time with UNC, Spiehs has helped lead the Bears to the 2013 Great West Conference title, assisted in the transition to the Western Athletic Conference, and guided them to the first WAC tournament appearance. As the programs's liason to academic advising, he has been pivotal in the teams 12 consecutive semesters with a culmulative GPA above 3.0.

Spiehs took over the pitching coach duties for Northern Colorado Baseball in August 2011. Under his leadership, the Bears overall ERA dropped from to 6.72 to 5.07.In addition to the lowest ERA in over a decade, the Bears pitching staff also allowed just 3.71 walks per game and opponents hit just .293 – both the lowest mark since 2000.

Kevin Willman shattered the school’s single season record for saves with 10 and earned Great West All-Conference First Team honors in the final season of the league in 2013. Spiehs also saw Jake Johnson earn back-to-back Great West All-Tournament honors for his stellar performances on the mound.

Spiehs helped Nick Tanner earn second team All-WAC honors in 2016 when he posted a 2.89 ERA and 4-1 record as he held opponents to .245 hitting agianst him.

In 2017, Bear pitching was an integral part of the team's 24 win season and third place finish at the conference tournament. The Spiehs led Bear pitching staff finished second in the WAC tournament in ERA and senior reliever Jacob Howard was awarded WAC Pitcher of the Week honors (5/8-5/15)

Spiehs joined the Bears from Grayson County College, a highly successful junior college in Sherman, Texas. During his two years at Grayson he guided four players to Major League Draft selections, as well as having five pitchers signed with NCAA Division I programs. He also helped lead the team to the NJCAA World Series in 2011.

Prior to Grayson, Spiehs was an undergraduate assistant coach at his alma mater, the University of Nebraska. During the 2009 season, he was the bullpen correspondent and assisted with pitching coach duties.

Spiehs spent seven years as a professional baseball player, pitching in 329 games with a 3.76 career ERA. He was named the San Francisco Giants 2011 best late round draft pick, one of 30 eligible for the award.

While pitching for the Huskers, Spiehs helped lead the team to the NCAA Super Regionals and contributed to the team's first appearance at the College World Series. He still ranks among the top 10 in Nebraska history in victories and pitching appearances. He returned to Nebraska to finish his degree in communications in 2009.

He is married to the former Jennifer Benson of Huntington Beach, Calif. Benson is also a Nebraska graduate, where she earned First-Team All-America honors in soccer before she played with both the United States National Team and professionally in the WUSA. Spiehs and his wife currently reside in West Greeley.




Nate Rasmussen joined the Bear baseball staff as the volunteer assistant in July of 2016 and was promoted to a full-time assistant coach in December of 2017. He serves as hitting coach, outfield coach, first base coach, and camp director. He also coordinates summer ball placement.

In 2017, Rasmussen's first season as hitting coach, the Bears had their best offensive year since joining the WAC.  The Bears tallied their most runs, hits, doubles, home runs, and RBIs. The explosive Bear offense also recorded its highest team batting average and on base percentage since becoming a WAC member.  The 2017 Bear offense featured 4 different players with double-digit doubles for the first time since 2011, and 13 different players with a home run for the first time since 2009.

Rasmussen spent the previous four seasons as the head assistant and recruiting coordinator at Pacific University in Forest Grove, Oregon. While at Pacific, Rasmussen worked with a variety of defensive position groups, and also served as third base coach. In addition, Rasmussen was also the head coach of Pacific’s junior varsity program.

During his time at Pacific, Rasmussen signed five all-conference players and one all-region player in three recruiting classes. The 2016 Boxer offense combined to break eight individual school records and senior right fielder Walker Olis was selected by the Miami Marlins in the 29th round, the first Pacific ballplayer drafted since 1991. Rasmussen has strong recruiting ties in Washington, Oregon, California, Hawaii, Arizona, Nevada, and his home state of Utah.

In the summer of 2015, Rasmussen was the head coach of the Portland Lobo’s in the NWCBL. He also spent time as a hitting coach for the Boys of Summer Baseball Club out of Bellevue, Washington. Rasmussen is also an established clinician who has served as a guest instructor and Stanford University, University of Washington, Head First, and Top 96 baseball camps.

As a player Rasmussen was a three-time All-Conference selection at Pacific. He was selected as a first team All-NWC selection at second base in 2011, and was team captain on Pacific’s 2012 NWC championship team.  Rasmussen played his prep baseball at perennial baseball powerhouse Bingham High School in South Jordan, Utah. He was a first team all-state selection, leading Bingham to a second place state finish in 2008.

Rasmussen graduated from Pacific in 2012 with a degree in business with an emphasis in marketing.  He resides in Greeley with his wife Alissa.