Coaches & Directors


Coaching Staff

Ryan Pachciarz

CEO & Head Coach


Ryan is originally from Portland, Oregon and has been involved with swimming both as a competitor and coach since age 10. Ryan competed for the University of South Dakota while earning his Bachelors degree in Psychology and Math. He went on to earn his Masters in Exercise Science while coaching for the Vermillion Vipers and the USD Coyotes. Ryan joined IST in the Summer of 2006. Ryan and his wife Kristy live in Maple Valley with their son Dylan and daughter Kamryn.

Since joining the Sockeye Program, Coach Ryan has been a staff member for the PNS All Stars, the PNS NACC team as well as serving on the PNS Techinical Planning Committee, Age Group Committee and actively serves the PNS LSC in multiple facets. Coach Ryan has developed and coached numerous swimmers to top 16/10 times, Junior National-National-US Open-Olympic Trial qualifiers as well as placing a swimmer on the USA National Junior Team.

John Skroch

Head Age Group Coach


Coach John grew up in Port Angeles and got his coaching bug when he started teaching lessons in high school.  John swam for Central Washington University while attended school and graduated in 1995.  In 2000 John and his wife moved to Issaquah and he began swimming with the masters swim group and was recruited to come be part of the sockeye staff in 2001.  John has coached every level of swimmer on our team and over the years has migrated towards the high school age athletes on our team.   He currently coaches the Junior National and Senior groups.  Swimmers under John continue to qualify for LSC, Regional, Zone and Sectional Championship meets.  In addition to coaching for IST John has been involved in both high school and summer league swimming.  John has been involved with committees, task forces and the board of directors for Pacific Northwest Swimming over the years.  He currently serves as the Program Development Vice Chair of Pacific Northwest Swimming.

Previous to coaching John was an avid rock climber and triathlete where he’s done Ironman Canada in 2002, 2004 and Ironman Coeur d’Alene in 2011. He’s always up for a challenge and strives to challenge his swimmers in the process.   John lives in Renton with his wife Jodi and their boys Fischer and Parker who are both are part of IST.

PNS Program Development Vice-Chair 2016-Present

PNS Time Standards Chair 2016-Present

PNS Age Group Vice-Chair 2012-2016

PNS Age Group Committee 2012-Present

PNS Zone Staff 2015, 2016

PNS Catch the Spirit Camp Staff 2013, 2014

PNS All Star Staff 2013, 2014, 2015, 2016

PNS NACC Staff 2012, 2013, 2014

PNS Technical Planning Committee 2003-2010, 2011-Present, Chair 2016- Present

Issaquah High School Boys Head Coach 2003, 2004, 2005

Issaquah High School Girls Assistant Coach 2001, 2002, 2006, 2007, 2008, 2009, 2010

Edgebrook Club Assistant Coach 2002, 2003

Teresa Winterstein

Head Development Coach


Coach Teresa grew up in Issaquah, and after injuries kept her from gymnastics, she began swimming with IST at the age of 9. She went on to swim varsity for Issaquah High School, graduating in 2009. She then graduated from Washington State University in 2012 with a B.A. in Communication- emphasis in Broadcast Production and minor in History.

Teresa has been working in aquatics and teaching swimming since 2007. She has taught many current IST swimmers during her time at Boehm, where she specialized in teaching upper level swim lessons. After a decision to go back to school in order to teach high school Chemistry, Teresa also decided it was time to start coaching. Although this is her first coaching position, she has been a large part of the Pre-Competitive class at Boehm since 2012, drawing on her years of competitive swimming experience. She is very excited to share her love of the swim life with the team that started it all- IST!

Tim Kearney

Age Group Coach


Tim's age group coaching experience includes three seasons with the Clinton Cudas based in Clinton, NY, where he worked with the developmental and beginning competitive swimmers, and the 2013-2014 short course season at Issaquah Swim Team, where he worked primarily with the Steelhead, Blue, and Sockeye A groups. Tim is excited to rejoin IST after completing seven season as Athletics Director and Head Coach at Overlake Golf & Country Club in Medina, WA. In addition to his age group coaching background, Tim served for two season as the Assistant Coach of Men's and Women's Swimming at Kalamazoo College in Kalamazoo, MI, and one season as the Assistant Coach of Men's and Women's Swimming & Diving at his alma mater, Hamilton College, in Clinton, NY. Tim graduated from Hamilton with a degree in Philosophy. He also competed for the Continentals, earning 4 varsity letters and serving as Captain. Before college, Tim swam for various club teams around the country as well as his high school program.

Paola Arenas

Age Group Coach


Paola is originally from Bogota, Colombia.  She attended The INCCA University graduating with a degree in Physical Education and Sport Culture and swam on the team for four years. Paola has coached in Colombia for 15 years with athletes at all levels. She lives in Issaquah and enjoys reading, swimming, playing soccer and of course spending time with her husband and daughter.


Connor Guhlke

Age Group Coach


Connor grew up in Renton, Washington where he started swimming at the age of eleven for Rolling Hills. After discovering his love for the sport, Connor joined the Bellevue Club Swim Team and competed at Lindbergh High School, where he was voted team MVP his sophomore year and voted a team captain his senior year. After the conclusion of his swimming career, Connor wanted to share his love and passion for the sport of swimming with others and has been coaching ever since. Connor's coaching experiences include being the assistant coach for his alma mater, and an assistant coach for The Plateau Club. Connor is currently attending Bellevue College and aims to transfer to a 4-year university to study Exercise Science upon completion of his Associate's Degree.

Matt Zietzke

Age Group Coach


Matt grew up in Kent, Washington where he learned to swim at a young age. His first experience with competitive swimming was for Kentwood High School, where he went on to compete at the State Championships in his senior year. In 2006, he joined the staff at the Kent Meridian Pool where he continues to lifeguard and instruct swimmers of all skill levels and ages today.

He started coaching in 2012 with the Kentlake and Tahoma High School swim teams, coaching swimmers to compete at the State Championships and to break multiple school records. Matt is excited to bring his experience to the Issaquah Swim Team in his first position as a year-round coach.

Emma Murray

Age Group Coach


Emma grew up in West Seattle, Washington where she started swimming at 10 with White Water Aquatics and CAAT. She continued to swim through high school, becoming a captain for three years, as well as MVP and first team every year, it was through this she discovered her life long love of swimming. After high school she realized how much she missed swimming and started to coach for summer league and high school swim teams. She is currently a Pre-Law student at the University of Washington where she is studying Political Science and Law, Societies, and Justice with the intention to become an entertainment lawyer. 

Kris Daughters

Substitute Coach


Kris grew up in Bellingham, Washington where she swam for the YMCA team and Sehome High School.  She attended Whitman College, earned a degree in literature, and swam on the team for four years.  She was team captain in her senior year and an All-American and an NAIA national championship competitor for four years.  Kris earned a Masters in Education from Seattle University in 1997 and has been teaching English at Liberty High School ever since.  Previous coaching experiences include being a developmental coach for Bellevue Club, and head coach for both Overlake Country Club and Liberty High School.  When not at the pool, Kris enjoys reading, gardening and traveling.

Aaron Hardin

Substitute Coach