Mark Sellers enters his second season on the Concordia coaching staff as assistant cross country and track & field coach in 2012-2013.  Coach Sellers helps guide student athletes to improve and be competitive, and help the Irvine roster grow and return the Eagles to competitive standing in the GSAC Conference.

Mark spent six years coaching with the Mt. Hood track and field team and was an integral part of rebuilding the Saints track and field teams to competitiveness in the NWAACC Conference.  His initial responsibilities were working as the jumps coach.  Later, in addition to jumps, Mark helped coach sprints, relays, and multi-events.  During Sellers' time at Mt. Hood, the Saints women finished second twice in NWAACC, while taking the Southern Region title twice.  The Saints men were consistently on the top half of NWAACC. In his six years with Mt. Hood Sellers was a part of, or directly coached, athletes that earned one NWAACC record, 30 NWAACC Individual Championships, 88 All-Americans, five women's school records, and 3 men's school records.

In addition to coaching at Mt. Hood, Mark joined the staff at Parkrose High School coaching the jumps for the 2008 season.  Mark's first coaching experience was coaching high jump and relays at Oregon City High School. 

Mark's athletic career began in Oregon City, Oregon were he played basketball, soccer, and competed in track.  After high school, Mark competed for Mt. Hood Community College and Portland State University in track and field.  Mark was an Oregon State Meet track and field competitor and placed third in NWAACC in the high jump for Mt. Hood. 

Mark earned an Associate's Degree from Mt. Hood Community College, a Bachelor's Degree in social science from Portland State University, and is currently working toward a Master's Degree in Coaching and Athletic Administration at Concordia.  Mark holds USATF Level II Certifications in Jumps, Sprints/Hurdles/Relays, and Youth coaching; and is an Association Level Official.  Mark also has a Track and Field Technical Coaching certification with the USTFCCA.

Rachel Brewer joins her husband and head coach, Jim Brewer, in 2012 as an assistant for the Concordia cross-country and track & field teams. Brewer's coaching experience includes seven years as an assistant at the collegiate level (University of Great Falls and Western Washington University) and four years at the high school/middle school level.

Prior to moving to Montana in 2007 to help her husband start up a new cross-country/track & field program at the University of Great Falls, Brewer was a math and science teacher for 10 years. She earned her undergraduate degree in education, physical science, and mathematics from Northern Arizona University and went on to earn her master's degree in counseling from Regent University.

A lifetime runner, Brewer, earned twelve state championships from the state of Washington in cross-country/track & field for Cascade High School. She then continued her running career as a scholarship athlete for Northern Arizona University in Flagstaff, Arizona. Living and training at 7,000 feet above sea level, Brewer helped lead the nationally-ranked women's team to a top 10 finish at the NCAA Division I cross-country championships in 1996. She individually qualified for the NCAA DI track & field championships in 1998 for the 3,000 meters.

Brewer's personal bests include 16:55 for the 5K (cross-country), 9:28 for 3,000 meters, 4:28 for 1,500 meters, 2:12 for 800 meters, and 4:48 for the mile.

In addition to running and coaching, Brewer enjoys playing the piano, cooking, backpacking, camping, spending time with her family, and being a mom. Brewer, and her husband, Jim, will celebrate their 11-year anniversary this November and their son, Holden, will turn 3 in February.  They welcomed their second child, daughter, Karen, in March of 2012.

Al Berrin joined the Concordia track and field, and cross country staffs in 2012.  Berrin started coaching in 1978 and has coached at the NCAA Division I level (University of San Francisco), junior college (Skyline College in San Bruno, CA), and 15 years as a high school head coach at various schools in the San Francisco Bay Area.  He had coached athletes to state appearances in every track event.

He has coached three Olympians, including Shannon Rowbury, who won a bronze medal in the World Championships and finished sixth and seventh in the last two Olympics.  He coached Nicole Tester, an American record-holder in the 800m indoors, and two-time Olympian.  Berrin spent three years with the Nike Farm Team, which sent 35 participants to the 2008 Olympic Trials.

Berrin is a retired school teacher who spent 30 years teaching kindergarten to high school.  He started his coaching career at St. Ignatius College Prep in San Francisco, CA.  His runners advance to the State Championships every year and his best finish came in 2004 when his men took third.

He is a veteran, having served the US Army from 1966-1968 in San Antonio and Vietnam.  He is certified level two in endurance and sprints, and taught for five years at the USA Track & Field Coaching Education Certification Schools. 

He has been married to his wife Kathleen for 42 years.  The couple has three children and two grandchildren.