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Ritchie CenterAdult Aquatics

Masters Swimming | Adult Aquatics

Masters Swimming

Coaching Staff

Andrew LeVasseur - Head Coach

Andrew began his swimming career on the Schofield Sharks Swim Club in Hawaii as an 8-under swimmer. Andrew attended Cherry Creek High School and was a three-year varsity letterman. Although he was offered a swimming scholarship to Dartmouth University, though he attended the University of Arizona.

Throughout his career, Andrew has worked as a swim coach, water safety instructor, aqua fitness instructor, lifeguard and lifeguard trainer. His coaching experience spans more than 30 years in age-group and master's-level swimming. He has been with the DU Masters Swimming program since 2008. As a swimmer, Andrew has achieved a USMS top-10 ranking and finishes consistently in local, regional, national and international meets.

As a coach, Andrew serves as the USMS 2014 and 2015 High Intensity online coach, and as the lead coach for the 2015 SCY National Champion CMS Regional team. He was one of four coaches selected to lead USMS National Team attending 2014 FINA World Championships. He served as the 2012 USMS On-Deck Coach for the LCM National Champion, CMS Regional Team and as USMS On-Deck Coach for the 2013 SCY National Championships in Santa Clara, Calif. He was selected as the COMSA 2011 Coach of the Year and has been a Level 3 ASCA/USMS Certified Swimming Coach since 2009.

Andrew received his USMS Level 4 coaching certification in 2015.

Erika Cheley - Associate Coach

Erika began swimming competitively in Arvada, Colo., when she was 10 years old. She competed at the Olympic Trials for 200 fly in 1988 and swam for Southern Methodist University in Dallas, Texas, focusing on the distance stroke events. She was elected the captain of the women’s team her senior year at SMU. Since moving back to Denver in 2000, Erika has completed numerous open water swims around the country, as well as multiple triathlons of all distances, including three Ironman distance triathlons.


Ken Classen - Substitute Coach

Ken has coached with the University of Denver masters swim team since 1997. In 1998, he was named COMSA Coach of the Year. He has had writings published in several competitive swimmer publications. He is an avid open water swimmer and has participated and placed in several nationally-known open waters swims including the Wingshadow Horsetooth Reservoir 10K swim, La Jolla Rough water swims, Big Shoulders in Chicago and more. Ken has placed top-10 in the nation in the 1000/1650 several times. He is a native of Colorado and swam collegiately at Metropolitan State College of Denver.


Doston Ganiyev - Associate Coach

Doston began swimming in middle school and swam for MACS in Arvada after moving to Colorado. He currently swims for the DU masters team and competes at USMS Nationals and other international meets, and he holds several individual COMSA records.

Doston is a Level 1 certified coach.


Scott Hoftiezer - Associate Coach

Scott has coached with the DU masters swim team since 2007. He started his swimming career in high school and has been doing triathlons since 1986. He has completed six Ironman races (all with sub-one-hour swims) and numerous Half-Ironman and Olympic distance races. Scott is an avid open water swimmer and has regularly participated in the Horsetooth 10K swim since 2000. He has also coached at the Denver Athletic Club since 2005 and has been a U.S. Swimming online coach in 2007, 2011, 2014 and 2015.

Scott is a USMS Level 2 certified coach.


Tanner Krall - Associate Coach

Tanner has been swimming since age 5, including for his club team (Pueblo Swim Club) and his high school before swimming collegiately at DU. In 2012, he qualified to the U.S. Olympic Trials in the 100 backstroke. He currently swims for the DU masters team.


Elliot Lang - Substitute Coach

Elliot started swimming at the age of 14 in high school. He was named captain by his junior year and received the Most Valuable Swimmer award his senior year. He started coaching when he was 18 and has always coached ever since. He joined a master’s team when he started swimming again after finishing college and decided to train with a USA club team after finishing top-five at Masters Nationals. Elliot now trains at DU, coaches and swims for TOPS, and qualified for the 2009 USA Nationals in the 100 breaststroke.


Teri Moen - Associate Coach

Teri began swimming for DU Masters in 2000 and has been a master’s coach since 2003. She also works as a physical therapist. She began with age-group swimming in South Dakota and swam collegiately for St. Olaf College in Northfield, Minn. Teri has accumulated numerous SCY national rankings, is a three-time SCY national champion and was named Open Water National Champion in 2010 for a 6K swim. Teri’s open water experience includes the Waikiki Roughwater Swim, the Outrigger Canoe Club Swim and the Horsetooth 2.4 Mile Swim, from which she has garnered several 1st and 2nd place finishes.

Teri is an ASCA/USMS Level 2 certified oach.


Rob Nasser - Associate Coach

Rob is a Denver native and a DU alum. He spent seven years coaching at Valor Christian High School in Highlands Ranch, Colo., where he helped implement the girls' swim program in 2007 and the boys' swim program in 2014. In 2014, he helped lead the girls' team to a fifth-place finish at the high school state championships, as well as individual titles in the 20 and 100 freestyle (both earning all-American consideration). Before his time at Valor Christian, Rob took over the Metro State swimming program in 1994 and helped lead the men's team to a top-10 national ranking and the women's team to a top-20 national ranking, as well as the school's first-ever national champion in the 50 and 100 freestyle. More than 40 swimmers earned All-American honors during Rob's time with the program. He also coached at Denver East High School and won the high school state championships at the 5A level.

Rob is an ASCA Level 4 certified coach.


Susan Williams - Associate Coach

Susan began swimming competitively at age 9 and won the 200 butterfly at J.O. Nationals, qualifying to Olympic Trials. She still holds the Hawaii state record in the 200 butterfly for the 13-14 age group. She swam at the University of Alabama on full scholarship and was the team's captain her final season. After beginning to train in the triathlon in 1994, Susan was selected to the U.S. resident team in 1997 and eventually qualified to the 2004 Olympics where she won bronze.

Beginning in 2005, Susan coached masters swimming in Highlands Ranch, Colo., and started a local triathlon team in 2009.


Charity Ziegler - Associate Coach

Charity started swimming while in grammar school before competing for DU. During high school and college, she coached summer leagues and taught swim lessons for all ages. She began coaching for the Hilltoppers at DU in 2006 and now supports TOPS while coaching for the DU masters team.


Michael Botyarov - Substitute Coach

Michael began swimming at age 6, qualifying to the Colorado State and Silver State meets in the freestyle and butterfly several times throughout his career. He swam and coached with the USMS after graduating college and finished ninth in the 200 butterfly at the 2015 Spring Nationals.

Michael is a member for the American Swim Coaches Association.


Celeste Jacroux - Substitute Coach

At age 5, Celeste began swimming year-round and ended her competitive career following her senior year at Ohio State University. She became a distance swimming as a recent graduate of the University of Michigan and today swims mid-distance and open-water events.