Coaching Staff

Forest Grove Coaching Staff

Have a question for the coaching staff? Summer Office Hours at Pool (June 18-August 9) will be on Tuesdays & Thursdays from 2:30pm-3:30pm and 5:30pm-6:30pm. If these days/times don’t work for you, please let me know and we can set up an appointment at another day/time. Email ( and text (503-550-5915) are the easiest ways to reach me with any questions and concerns.

Meet the Coaches

Summir Valls

Head Coach


Summir enjoys sharing her love and passion for the sport of swimming by coaching for over 10 years. She started coaching in California during her 5th year at Fresno State as a student coach, then with club swimming at Golden West Swim Club in Huntington Beach, California. She has continued in Oregon with the Chehalem Swim Team in Newberg from 2011-2016 and joined the FGSC coaching staff in 2016. She is an ASCA Level 2 coach and is lifeguard certified.

As an athlete, Summir spent 9 years competitively swimming that included racing at Junior Nationals, Senior Nationals, and Olympic Trials, as well as 4 years collegiately representing Fresno State at the NCAA Division 1 level.

For fun she has competed in 1/2 and full marathons, sprint and olympic triathlons, and marathon swimming events including Riverfest 2010, an 11+ mile swim in the Willamette River starting at Oregon City and finishing at the waterfront park in downtown Portland.


Tabor A Waterstreet

Assistant Coach


A Forest Grove native and former FGSC and Forest Grove High School swimmer, Tabor Waterstreet returned to his roots when he became a coach for FGSC.  Tabor works with the gold group.  He also teaches yoga. He is an ASCA Level 1 coach and holds his ARC CPR and Lifeguard certification.

Alex Rios

Assistant Coach


Alex has been in or around water for most of his life. Starting at the age of 9 he swam competitively for eight years. Starting on the FGSC, and eventually moving to the FGHS team where he served as a captain for two years. Swimming has always been a huge part of his life, and he hopes to instill the same passion and sense of belonging in the kids that he works with. Alex works full time at the Forest Grove Aquatic Center as a swim instructor and attends PCC as a full time student, but will transfer to Portland State in the fall. In the little spare time he has Alex enjoys hiking and playing guitar.

Aaron Rieniets

Assistant Coach


Aaron has swum competitively for a couple of teams: he first joined Werribee Swim Club in Australia before moving to the U.S. and joining Chehalem Swim Team in Newberg and also played Water Polo on the Newberg Team.  


He was a charter member of the Sherwood YAWAMA Swim Team and also a Sherwood High School swimmer. After high school, Aaron transitioned from swimming into coaching both the YAWAMA and SHS Teams. Aaron’s coaching credentials also include assisting the Linfield College Swim Team.


Aaron became a Certified Electronic Timer during high school, continued to support YAWAMA, SHS, and Linfield Swim Team while attending PCC and Portland State. Aaron’s education also includes a Master’s in Sustainable Business from Marylhurst University.


The swimming community has been a large part of Aaron’s life, and he is excited to share and create new experiences with the next generation of swimmers.