Coaches and Directors

Coaching Staff
Robert Walker Head Coach - NTG

Bob Walker became involved in the sport of swimming at an early age. At age four, Bob was enrolled in swim classes. He was well suited to the sport and succeeded quickly, qualifying for YMCA Regionals by the age of nine.  By the age of fourteen, Bob had qualified for YMCA Nationals, placing him among the country's elite.
Qualifying for an athletic scholarship, Bob entered Bowling Green State University in September of 1983.

Bob has coached for a number of competitive teams including the Bowling Green Swim Club, the Curl Burke Swim Club, and Sea Devil Swimming.  After coaching swimming for more than 15 years Bob started his own swim team, All Star Aquatics. Bob has coached every age group including young swimmers, college level, seniors and summer league.

When asked who has been his best swimmer, Walker replied, "All of my swimmers are my best swimmers."


  • Qualified for the 1988 Olympic Trials.
  • ​Holds the record for the fastest 100 yard butterfly swim in Bowling Green State University history.
  • Highly successful Division I career.
  • Bob has been coaching all levels for over 30 years.
Christopher Schlegel Head Age Group Coach - NDG, AG2

It was clear to Christopher Schlegel's parents that at a young age he loved the water.  After successfully escaping the baby pool gate enough times, his parents decided it was time for him to take lessons.  Chris began swimming at the age of four at Hillandale Swim and Tennis.  Chris grew up swimming at RMSC & JFD and playing soccer competitively year round in Montgomery County.  Chris began his coaching career at Potomac Swim and Tennis before coming to All Star Aquatics in the Fall of 2007.  Chris began as the AG1 coach at Stone Ridge and eventually gained more programs at ASA.  Chris’ practices exhibit his coaching belief in consistent fundamentals, high intensity, strong emphasis on stroke technique and feel for the water.

Chris coaches NDGs, AG2s and AG1s.

Coaching Experience

  • ASCA Level 3
  • Head Coach Potomac Swim and Tennis (MCSL) 2008 - Present
  • Head Coach Walt Whitman High School 2017 - Present
  • 1 Time PVS Head Coach
  • 1 Time PVS Asst. Head Coach
  • 6 Time PVS Zone Coach
  • Head Coach Bullis 2013 - 2014
  • ASA Rising Stars Coordinator 2008 - 2016
  • Assistant Coach Walt Whitman High School 2016-2017
  • Assistant Coach Potomac Swim and Tennis (MCSL) 2007
Jason Blanken Lead Coach - ADV SR

Jason has been a presence in the local swim community for over 25 years. Jason was born and raised in Silver Spring,and spent much of his youth as a member of the Calverton Swim Club, Paint Branch High School swim team, and Rockville Montgomery Swim Club (MLK). Jason still holds several team records for all three teams. Jason was also a member of the Varsity swim team at the University of Maryland, College Park. His experience with each one of these clubs and teams has provided valuable knowledge, relationships, and a continued love for the sport.

Starting in the fall of 2007, Jason began coaching the Advanced Senior Group with RMSC at KSAC. Throughout his time with the ASG, Jason helped coach numerous Sectional and NCSA qualifiers and several of his swimmers have gone on to swim at the collegiate level. 

Jason graduated from the University of Maryland in 2007 with a degree in Family Sciences. Jason then began working for MCPS,and made the decision to go back to school. He received his Master's Degree in Special Education from The George Washington University in 2013. He is currently a teacher in Montgomery County Public Schools. 

Coaching Experience

  • Co-Coach: Advanced Seniors RMSC-KSAC 2007-2018
  • Head Coach: Bethesda Chevy Chase High School 2008-present
  • Head Coach: River Falls Swim Club (MCSL) 2012-present
  • Head Coach: Regency Estates Swim Club (MCSL) 2007-2011
  • Assistant Coach: Calverton Swim Club 2004-2006
Rory Lewis Lead Coach - JRs, NTG

Rory brings a wealth of knowledge and experience. Rory is a DC native. He graduated from Bethesda-Chevy Chase High School and graduated with a B.F.A. in Graphic Arts from The University Of Alabama, where he was a two-year letterman as a sprinter. He grew up competing in Potomac Valley(Sea Devils) and PMSL(Takoma Park). Rory has coached all skill levels for over 30 years in Potomac Valley with DPR Blue Waves, UMCY and SDS. He coached two years at the collegiate level, as Head Coach of The Men's & Women's Swimming and Diving team, at Howard University.

Mark Lewis Lead Coach - AG1

Coach Lewis is a DC native with over 30 years experience coaching athletes at all levels of club, interscholastic, and summer league swimming in the Potomac Valley.  “Fun in Pursuit of Excellence” is a simple description of his coaching philosophy.

As children tend to identify with play, they might thereforebe engaged enough in a sport to choose to build a career for themselves.  Through effective teaching and training, the results of their efforts might thereforegive them a resume as young student/athletes that would empower them in their future lives.

Such was the experience for Coach Lewis whose career as a 12 and Under in Swimming aided his admission to the St. Albans School with a scholarshipaward in 8th grade.  Graduating as a Captain of the STA Varsity team as well aided in his admission to Columbia University after high school.  While in college at Columbia, Coach Lewis relied on his valued leadership experiences as a student/athlete in the sport of Swimming to earn the respect of his peers and school administrators who nominated him for and elected him as a Marshal for graduation.

Coaching Experience:
Asst. Dir of Aquatics St. Albans School 1990-2017
Pool Coach SDS @ STA 2000-2015
Head Coach MVP Dolphins PMSL team 2001-2018
DCPR Swim Team 1984-1990
TPDC PMSL Swim Team 1986-1990

Heather Purk Lead Coach - STG, RS Coordinator

Coach Heather starting swimming competitively at the age of 5 for the Elyria YMCA/USS Swim Club in the Lake Erie LSC. Coach Heather starting helping with the 8&Unders on her swim team when she was 14yrs old. She started her USA Swimming coaching career in the Georgia LSC with the West Georgia Swim Club in 2005. In 2009, she moved to NOVA and coached with the Blue Waves Swim Team. In addition to BWST, she has also coached for Lifetime Fitness (LIFE), HACC, and Machine. She has served as a PVS Zone Coach for two short course and three long course trips and the PVS Zone Team Manager for two short course and two long course trips.  She served as one of the Coaches Representative to the PVS Board of Directors from 2014-2018.
She loves working with swimmers of all ages and abilities. She will be coordinating the Rising Star Program on Sunday afternoons and she will be the Lead Coach for the Senior Group and an Assistant Coach for Age Group 1 (AG1) . Also, Coach Heather volunteers her time as an official for PVS. She is a N2 Stroke & Turn Official, Computer Operator (CO), Electronic Timing System Operator (TO), Administrative Official (AO), and Chief Judge (CJ).
During high school season, Coach Heather is an assistant coach for The Potomac School in McLean, VA. Do not be surprised if she stops to say hello and ask about your swims when she sees you at one of the high school meets. For the summer, she is the Head Coach of the Avenel Alligators in Potomac, MD. Avenel is in Division C of the Country Club Swim and Dive Association. Avenel won their division for the first time in 2018 and defended it in the summer of 2019.
Outside of swimming, Coach Heather has three golden retrievers: Duke, Jazz, and Maximus (Max). You may have the chance to see Max on the pool deck as he is a service dog. She lives in Prince George's County, Maryland. In her free time, she likes to read, go camping/hiking with her dogs, and go visit her parents in the mountains of Pennsylvania. 
Coach Heather wants every swimmer to love swimming and to remember that success is built on the effort that you put into learning the technique of fast, injury preventive swimming.

Kevin Wagman Age Group Coach - SRs, AG2, AG1

Kevin has always loved the water. He is a second generation MCSL coach, following in his father's footsteps. Kevin has participated twice in the 4.4 mile swim race across the Chesapeake Bay. He was an MCSL swimmer for 13 years and swam for Walt Whitman High School, earning a varsity letter. After two years of college club swimming, he turned to weight-lifting and rugby. After graduating from Elon University in 2013, with a BS in Exercise Sport Science, he competed in his first bodybuilding physique competition.  He plans to compete again. Kevin works during the day as a personal trainer for both adults and children. While his forte is strength and athletic mobility training he does have experience with weight control and more specifically fat loss. His coaching moto concisely describes his approach to each workout session, "Train with purpose, perform with pride."

Coaching Experience

  • ACE Personal Trainer at Capital Performance 
  • ACE Personal Trainer at Gold's Gym Wintergreen Plaza
  • Head Coach North Chevy Chase (MCSL) 2014-Present
  • Head Coach North Chevy Chase Masters 2014-2017
  • Age Group Coach ASA 2015-Present
  • Assistant Coach ASA 2013-Present
  • Rising Stars Coach ASA 2013-Present
  • Co-Head Coach Bannockburn (MCSL) 2010-2011
  • Assistant Coach Potomac Swim and Tennis 2009
  • Assistant Coach Bannockburn 2008
Julie House Age Group Coach - JRs

Julie grew up loving swimming at an early age in the Middle Atlantic LSC swimming for a team called, Team Delaware (Wilmington, DE) until she was 14 and then for Philadelphia Department of Recreation or PDR, (Philadelphia, PA). Making her first zone team at age 10, it was clear she had the swimming bug. She continued competing at the college level for 4 years at the University of Massachusetts (Amherst, MA) specializing in breaststroke and middle-distance freestyle and graduating with a B.A. in Communication. She credits lifelong friendships as well as academic and career success to the years spent as a competitive swimmer.

Julie has been teaching and coaching swimming since 1996. She has been involved with coaching and teaching swimming with ASA since 2004, when she and her husband, Rich began as assistants for All Star Aquatics: Learn to Swim Program. Currently, Julie resides in Silver Spring, Maryland with her husband Rich, their two children, Cameron and Nathan, and their pet turtles, Daisy and Ocean. 

Austin Cole Age Group Coach - JRs, RS

Austin started swimming at the age of five in Italy.  After moving back to the states, he swam for Inverness Forest in MCSL before deciding to swim club with ASA. Austin attended Winston Churchill and swam all 4 years, with his last year as team captain. Austin made All-Met 3 times with one first team and two second team appearances, as well as holding the state record for the 200 free relay.  Austin continued onto the University of Kentucky where he swam for a year and played club water polo for another before coming back to Maryland.  As a 15-18 Austin helped Inverness coaches with group lessons and private lessons with children of all ages.  As Summer 2015 rolled around he was officially an Inverness Assistant coach.

He is currently attending school at Montgomery College majoring in physical therapy.  He is extremely excited to be coaching at the club where he swam for years and can't wait to help develop new swimmers.

Bridget Dromerick Senior Coach - ADV SR

Bridget grew up swimming for the MCSL team Inverness Forest. As her love of swimming grew, she joined Rockville Montgomery Swim Club at age nine and swam there through high school. During high school Bridget swam in the Advanced Seniors Group at RMSC KSAC, for fellow ASA coach Jason Blanken. She participated in several elite meets such as Tom Dolan, Sectionals and NCSA Junior Nationals. At the collegiate level, Bridget swam for Franklin & Marshall College her freshman year and was awarded Centennial Conference Rookie of the Year and Most Outstanding Performer. She also competed at NCAA Division III Nationals in Texas in 2015. During her sophomore year she had shoulder surgery and was unable to continue swimming at an elite level. She graduated from F&M in May 2018.

Bridget coached for Inverness Forest for several years as a 15-18 and then as an alum of the team. She became the Head coach of Seven Locks for the summer of 2016 and has since coached there every summer. She has also coached at FINS swimming and KSAC’s Sunday night swim program. Bridget loves sharing her passion and enthusiasm for the sport and is looking forward to working with the swimmers at ASA.

Coaching Experience:
Assistant Coach at Inverness Forest Summer 2014
Assistant Head Coach at Inverness Forest Summer 2015
Head Coach at Seven Locks Summer 2016 - present

Dana Monsees Age Group Coach - NDG
Dana grew up swimming in MCSL at North Chevy Chase for 13 years. She swam for RMSC and competed for BCC high school (captain senior year), and swam for Middlebury College for 4 years (captain senior year). Dana graduated from Middlebury with a Political Science/French double major,but decided after a few years of working in politics she wanted to work again with athletes and nutrition. She went back to school, got a Masters in Clinical Nutrition + Health Coaching degree, and started her own business as the nutritionist & content developer behind the healthy living website Real Food with Dana. Dana loves working with swimmers to help improve both in the pool with stroke technique and out of the pool by teaching them about good nutrition for performance and recovery.
Coaching Experience
- Nutritionist & Integrative Health Coach, Real Food with Dana
- Co-Head Coach, North Chevy Chase (2017)
- Assistant Coach, North Chevy Chase (2009-2011, 2015-2016)
Drew Fisher Age Group Coach - NDG

Drew grew up swimming in the MCSL at Country Glen swim club, where he still holds the 100 Meter backstroke record.  He swam at NCAP in high school and qualified for Junior Nationals in the 100 and 200 yard backstroke. Drew was the captain of the Churchill High School swim team his senior year and went on to swim at the University of Maryland. He is currently a math teacher at Sligo Middle School. 

Coaching Experience: 
Country Glen Assistant Head Coach (2010-Present)
Einstein High School (2017-Present)
FINS Swimming Supervisor/Coach (2013-Present)
Sligo Middle School Girls Basketball (2016-2018)

Staci Armenzzani Age Group Coach - NDG, JRs

Staci is very excited to be joining the ASA coaching staff this year! She has been coaching for the last 10 years with RMSC and coaches Quince Orchard High School during the winter season. Staci coached for several years with Darnestown in the summer before finally giving up MCSL to enjoy some free time. When not on the pool deck, Staci is teaching 5th grade at Lake Seneca Elementary School in Germantown. Staci is excited to bring her love of coaching to all the swimmers at ASA!

Tom Gately Bethesda Site Director

[email protected]
Iron Strength Athletics LLC
NSCA- Certified Strength and Conditioning Specialist

Tom is based around the Bethesda area, has been a pro athlete, and enjoyed training his whole life. Tom graduated from George Washington University where he studied Exercise Science/Kinesiology.  Passionate about developing peak performance, athletic strength and injury prevention- Tom has been fortunate enough to work with and learn from some of the best swim-strength trainers out there and has been on training trips to the Olympic Training Center. Working with multiple levels and groups from ASA, Tom trains around/out of the Bethesda area with 1on1 and small groups focusing on everything from wall power and custom stroke strength to personalized programs and building confidence!

Alex Freeman Executive Director