Mark Isenburg

Head Coach

Mark Isenburg has been with Colorado Water Polo since 2003. Mark also coached boys and girls high school teams in Salt Lake City, Utah for 11 seasons, assisting on two girls state championship teams, head coach for a boys state finalist, and assisting for another boys state finalist. Mark played on the University of Utah club team. Mark is a USWP certified coach.

Mark was honored in 2012 and 2014 as the Mountain Zone Superior Coach of the year for the Male Team. He was also selected as a John Lynch Foundation Coach of the Month for February 2012.

Feel free to contact him with any questions about the club for athletes 13-18 at:



Kyle Davenport

Assistant Head Coach, Youth Coach

Kyle is the Youth Coach for athletes 12 years of age or younger. Please email him at with any questions regarding Colorado Water Polo’s youth programs.

Kyle joined Colorado Water Polo in 2008 and began coaching CWP’s youth program in the summer of 2011. Since Grier Laughlin started the youth program in 2010, CWP’s 12U teams have taken second at the Mountain Zone Championships three times (2010, 2011 and 2013), were Mountain Zone champions in 2014 and 2015 and have won eleven regional tournaments. The 12U team took first in 2104 and second in 2015 and 2016 in the co-ed division of the prestigious Winterfest Tournament in Los Angeles, and they also took 10th in the nation at the 2015 Rocktober 12U Championships. Kyle was recognized with the Ted Newland Distinguished Coaching Award as the male developmental coach of the year for the Mountain Zone in 2013.

A Denver native, Kyle swam four years at Overland High School before attending Northwestern University where he played club water polo. He also coached varsity and junior varsity water polo at New Trier High School in Winnetka, Illinois.

Kailin Isaacson

Assistant Coach

Kailin Isaacson joined Colorado Water Polo in 2003 as an athlete. Kailin was one of the first Pirates to play varsity water polo at the college level. She played defender for Colorado State’s Division I varsity squad for four years and graduated in 2010. Kailin improved every year of her varsity career, earning a full-tuition scholarship, a starting spot, and position as team captain.

Kailin rejoined the Pirates after college as a coach. She has attacked coaching with the passion with which she plays. Kailin is always striving to improve and has become a consistent member of the Mountain Zone Olympic Development Program coaching staff. She has been recognized as the recipient of the 2014 Brent Bohlender Distinguished Coaching Award as the female developmental coach of the year.



Maureen Mitchell

Youth Coach/Goalie Coach

Maureen joined Colorado Water Polo in September, 2011. She coaches the 12U group and is the goalie position coach for CWP.

In Maureen’s time coaching the youth team, CWP’s 12U teams took second at the 2013 Mountain Zone Championships, were champions of the Mountain Zone in 2014 and 2015, and have won eleven regional tournaments. She coached the Colorado 12U girls team to a second-place finish at the 2013 12U Rock-tober National Championship and coached the co-ed team to a 10th place finished at the 2015 Rock-tober. The 12U team also took first in 2014 and second in 2015 and 2016 in the coed division of the prestigious Winterfest Tournament in Los Angeles. Maureen was recognized with the Brent Bohlender Distinguished Coaching Award as the female developmental coach of the year for the Mountain Zone in 2013.

Maureen began playing water polo when she was seven years old in her hometown of Mundelein, Illinois. She played competitively in high school (where she was named first team all-state three times), played goalie for the Midwest Zone team (won the Speedo Cup in 1999 and Junior Olympics in 2000 for the 14U age group – Maureen was named MVP of both tournaments), and the National Youth Team. Maureen also played for the Southern Illinois University Club team in college.

Craig Ackley

Assistant Coach

Craig Ackley was an Assistant Coach at the Air Force Academy. He was also the head coach at Palo Alto High School in California. He was also the head coach of the Stanford University 18-and-under water polo summer program.

Coach Craig was recognized by USA Water Polo with the 2015 Bill Barnett Distinguished Coaching Award for the Mountain Zone.

Craig was an All-American at the University of the Pacific. Craig attended Villa Park High School where he was a league MVP.

Anyone who wants to play hole set (or center) is advised to attend on the nights he coaches, currently Tuesdays and Wednesdays, to learn from Craig. While he is a great all-around coach, his specialty is center, which he still plays for the Denver Masters team. Thank you, Craig, for helping us out.



Drew Bonus

Assistant Coach

Coach Drew brings an east coast perspective to the Pirates coaching staff. Drew played water polo throughout middle and high school earning team and league MVP while representing multiple club teams in the Philadelphia area. Drew was recruited by the University of Denver varsity swim team and quickly fell in love with the state of Colorado. His passion for Water Polo has persisted through his time at DU and trickled into the Colorado Water Polo community. At DU Drew was involved in the Club and Denver Masters Water Polo teams. After College Drew coached with the greater Boulder area Rocky Mountain Neptune youth and CU Boulder women’s club water polo teams. He was awarded the Collegiate Water Polo Association’s (CWPA) Coach of the Year 2016 award for the Rocky Mountain Division. Drew is also an active member of the Denver Masters’ Water Polo program.

Drew is excited to contribute to the Pirates organization as a coach bringing a diverse knowledge of Water Polo fundamentals, swimming technique, nutrition and character coaching applicable to the development of all student athletes. He is adamant about team culture and helping athletes challenge each other. He is excited to bring a positive coaching attitude to the Pirates team and looks forward to getting our members excited about the sport.