Coaches and Directors

Coaches and Directors
Coaching Staff
William Marlin Audrey Moore - Head Site Coach

Bill started swimming in 1973 at the age of seven for the West Shore Y.M.C.A. in Camphill, PA until graduating from high school in 1984. During his eleven years as a West Shore Barracuda he received numerous awards including "Most Improved", "High Point", "Undefeated", and "Coaches Award". He also earned State Champion and State and Mid-Atlantic Record Holder Awards and placed in the top eight at the Y.M.C.A. Nationals his last three years as a Barracuda. 

Bill served as team captain for the Barracudas his senior season and his high school swim team his junior and senior years. During his senior year in high school, Bill was voted "Athlete of the Year" and was the recipient of the Old Timers Athletic Association Award for "Outstanding Male Swimmer" in his high school district. 
Bill was heavily recruited by many area colleges but ultimately chose to swim for the Pennsylvania State University (1984-87) where he continued to improve his times. Upon graduation, Bill held one of the top five fastest times in school history in the 200 butterfly and the 500 freestyle and was a member of the 1985 Eastern Championship Team. 

Bill started coaching in 1983 during his junior year in high school for the Hershey Country Club. He then coached four more years in the Harrisburg area where he had the opportunity to work with future Olympian, Anita Nall, for two years in the 8 & under age group. In 1992, Bill became an assistant coach for a local PVS team with his brother and formed the Potomac Marlins during the following season. In his 26 seasons as the Potomac Marlins Head Coach, Bill has produced 30 Junior National Level swimmers, 7 Senior National Level swimmers, 8 US OPEN swimmers and has taken 5 swimmers to the USA Olympic Trials. 

Bill earned a B.S. in Sport and Exercise Science and was a certified Personal Fitness Trainer through the American College of Sports Medicine. Bill holds a Level 4 coaching certification through the American Swim Coaches Association (ASCA) and functions as the Potomac Marlins head coach, team trainer and training program coordinator. 

Coach Bill is the Potomac Marlins Team Trainer and is responsible for designing and maintaining the training plan for most of the Potomac Marlin practice groups. Coach Bill also handles all Potomac Marlins swim meet operations including; meet entries, meet director responsibilities for hosted meets, and related questions. 

Coach Bill served on the Potomac Valley Swimming Board of Directors for 20 years.  Bill served as the PVS General Chair for 4 years. His other positions on the Board of Directors have been: 6 years as PVS Coaches Rep., 6 years as the Age Group Chairman, and  4 years as the Senior Chairman. In addition, Bill served on the USA Swimming Age Group Development Committee for 3 years and was appointed by USA Swimming to serving as the Chair of this committee. Coach Bill was also selected by United States Swimming to serve on the coaching staff for the Eastern Zone Select Camp in 2007 and 2012 and he was selected as the Head Coach of the Southern Zone Select Camp in 2015. Coach Bill was also the PVS Distance Swimming Coordinator for 10 years.

Barry Marlin Chinquapin & Lee - Head Site Coach

Barry began swimming at the age of nine for his local community swim club, The Mountain View Crawdads, then jumped immediately into winter swimming that same year for the West Shore Y.M.C.A. in Harrisburg, PA. While swimming for the West Shore Y.M.C.A., Barry became one of the states fastest butterfly and freestyle swimmers. Highlights of his age group career include several state records in the 50, 100 & 200 free, and 100 fly, undefeated state champion in the 200 freestyle from 1975 through 1981, and a National Y.M.C.A. record in the 11-12 year old 200 yard freestyle.

Barry was elected team captain of his Y.M.C.A. and his high school team in his junior and senior years and was the first swimmer from his high school to place in finals at the State Championships at the Pennsylvania State University where he later attended college on scholarship. While at Penn State, he received "Outstanding Swimmer" awards in his freshman and junior year and "High Point Scorer" in his first 3 years and runner-up in his senior year. While at Penn State, Barry held 8 of 13 team records (200 Free, 500 Free, 200 Fly, 200 Back, 100 Back) and was a member of all 3 record setting relays. During his senior year at Penn State along with his brother Bill, who was then a freshman, the Penn State team reached their goal to become the Eastern Intercollegiate Conference Champions.

Barry began his coaching career with the Mountain View Crawdads while in college. After graduating Barry moved to the D.C. area where he worked as a Landscape Architect, and joined a local masters team at Chinquapin Rec. in Alexandria. After 5 years he left his job and started school at the Corcoran School of Art in Washington, D.C. As a full time "starving" art student, Barry began coaching in the PVS league. Between 1990 & 1993 he coached for several area teams. Upon graduation from the Corcoran School of Art in 1994, the Potomac Marlins were officially formed.

Coach Barry is the Potomac Marlins, CEO, CFO and Team Manager. He is responsible for team and business operations including, pool contract administration, advertising and promotion, team outfitting design and procurement, billing, practice and scheduling, and operations. Barry is currently the primary Coach at Chinquapin for the Age Group Stroke Development, Aerobic Development , Age Group Select, Sr. Prep and Senior programs.

Steve Ercolano Cub Run - Head Site Coach, SPG, AGS

Steve Ercolano grew up in Northern Virginia and swam summer league at Hollin Meadows in the 1960's and 70's. Steve continued to swim through High School. His coaching career started in 1973 at the Mt. Vernon Yacht Club in the Dominion Country Club League. He coached summer league through the 70's and 80's for various teams including Mt. Vernon Yacht Club 73, 75-77, Commonwealth 74, Hollin Meadows 78-80, Virginia Hills 81 and Holmes Run 82-86. He returned to summer coaching in 2003 starting a new team at Hidden Creek Country Club in Reston where he still coaches. From 1980 - 82, Steve coached Ft. Hunt High School.

Before joining Potomac Marlins in 2001, Steve was a coach at Curl-Burke  for 20 years. Steve was a PVS Zone Team Coach in 1985 & 1986, served as PVS Coaches Rep. from 1988 - 1992, and was also the Senior Swimming Chairman for PVS from 1993 - 1999. Steve was also the USA Swimming Bronze Select Camp Coach in 1992 and was USA Swimming Select Camp Director in 1994.

Steve is currently certified as an ASCA level 4 swim coach with the American Swim Coaches Association. Throughout the years he has worked with swimmers of ages and has coached over 35 Junior National qualifiers as well as national and Olympic Trials qualifiers. 

Geordie Bigus Cub Run Mighty Marlins

Geordie was born in PA, but grew up in VA.  He began swimming in 1982 with the NVSL’s Brookfield Breakers.   After moving to the south side of Chantilly, he finished his NVSL career in 1993 with the Poplar Tree Pirates.  He swam for Paul VI and Chantilly High School.  He was the district champion his senior year at Chantilly in the 100 breaststroke.  He swam one season at East Carolina University before transferring to George Mason University to finish his degrees.  

His coaching career began as an assistant with Poplar Tree in 1990.  His first head coaching position came with the Daventry Dolphins (NVSL) from 1994-98. After graduating from George Mason in 1998, he took a sabbatical from the NVSL to attend graduate school at Ithaca College in Ithaca, NY.  While at Ithaca, he coached with the Lansing Community Aquatics Team for one season.  After returning to VA in 1999, he began teaching with Fairfax County Public Schools and resumed coaching with York Swim Club (1999-2003), Chantilly High School (1999-2003), and the Greenbriar Dolphins (NVSL, 2000-03).  In 2003, he took over as the head coach at Centreville High School (CVHS) returned to club coaching with Victor-SDS (2004-07). After eight years of coaching at CVHS, he “retired” from coaching in 2010.  In 2016, the allure of working with Coach Steve and the Marlins at Cub Run was too much to pass up. 

Geordie has a dual-bachelor’s degree from George Mason in psychology and exercise science.  He completed his M.S. in exercise and sport sciences (concentration in sport psychology) from Ithaca College in 1999.  He is currently enrolled at Seton Hall University and pursuing a M.A. is school counseling.  He is currently the lead health specialist at Centreville High School, where he is also the head coach of the golf team.  


Bob Brofft Cub Run - Senior Silver
Bob Brofft is entering his tenth season as a coach with the Potomac Marlins.  He is also the head coach of the Swimming & Diving program at St. Paul VI Catholic High School in Fairfax, where he is beginning his ninth season.
A native of Northern Virginia, Bob swam competitively for twelve years, representing the Chase Club Sharks, Victor Swim Club, Robinson Secondary School, and the College of William & Mary.  Upon graduating from W&M with a bachelor's degree in Economics, Bob came home and coached for the Marlins from 2006-2014.  After taking a four-year break to pursue a career in teaching, Bob returned to the club in 2018.
In addition to his current roles, Bob spent 14 seasons coaching a variety of summer league teams, and has served on coaching staffs at Falls Church High School, Centreville High School, and Marymount University.  Bob was a PVS Zone Team coach in 2007, 2008, and 2009, and has also served as a coach/counselor for the swimming camp at the University of Notre Dame.
McCarley King Cub Run AGSD / Sr Silver

Mac got her start in swimming a little later than most kids, but that didn’t hold her back. She learned to swim at age 9, joined her neighborhood swim team at age 10, and placed second in freestyle within a couple weeks of joining the team. As soon as she was legal in any stroke she started placing second and third against seasoned swimmers. Mac swam with the Pleasant Valley Piranhas for nine years where she and her relay team broke two records. She swam with the Potomac Marlins for eight years, has been an assistant coach with hidden Creek Country Club since 2016, and with the Potomac Marlins as both an assistant coach and a head coach since 2016. With a strong emphasis on technique, Mac’s coaching style is one of hard work, but she knows that making it fun helps her swimmers stay interested in swimming.

Rick Stakel Cub Run - AGAD

Coach Rick grew up in Oneonta, New York and swam for his local YMCA and high school teams. While in high school he was a YMCA National finalist three times and a five time medalist at Empire State Games competitions. He swam at the collegiate level each of his four years at Alfred University (NY) and served as team captain his senior year. While at Alfred, Rick earned All-American honors in 18 events and was the school record holder in six events. He was also named the Eastern Coast Athletic Conference (ECAC) Male Athlete of the Year in 1992. He earned his BA in English Literature at Alfred and a BS in Physical Education at Eastern Connecticut State University in 2000.

Rick began coaching in 1993 at the Westport YMCA (CT) and served as head coach at both Newtown and Joel Barlow High Schools. In 1996, he became the head coach of both the Ridgefield Aquatic Club and the Western Connecticut State women’s team. While at Ridgefield Rick coached two swimmers to Junior Nationals standards and was selected as an Eastern Zone coach three consecutive years.

In 1997, Rick became an assistant men’s coach at Harvard University.  While at Harvard, he also served as head senior coach of the resident USS team, the Mass Bay Marlins. During his two years at Harvard, Rick worked with several Division I All-Americans as well as Olympic athletes from five different countries. He also coached four additional swimmers to Junior National standards, one of which took the title in the 100 fly.

In 2004, Rick moved to Virginia and coached with the York Swim Club for three years. He was head coach of the International Country Club in the Dominion Country Club League for two years and is now head coach of the Pleasant Valley Piranhas of the NVSL. Rick is a Physical Education teacher at Liberty Elementary School in South Riding where he currently resides with his family.

Will Steinhilber Cub Run - AGSD

Will began swimming when he was five years old with a Colonial League team called the Sequoia Farms Stingrays. Wearing his goggles extremely tight and all the time, he earned the nickname “frog-boy”. He swam with the Stingrays until he was eighteen. He began his coaching career with the team as a junior assistant at age sixteen. For the past three years, he has worked with the Stingrays as an assistant coach.

Will swam for four years with the Westfield High School Varsity Swim Team.  From there he went on to swim for the James Madison University club swim team for four years, and recently graduated with an engineering degree. Will swam year-round with the Potomac Marlins for seven years, and is now excited to come back as a coach!

James Zenyuh Cub Run AGSD

Coach James grew up in central Pennsylvania.  He started swimming at the age of 7 with the Bloomsburg YMCA and swam both YMCA and USA Swimming through high school.   He got hooked on swimming when he won his first bronze medal at the 1983 league championships in the 25 backstroke wearing a nice pair of yellow swim trunks.  James won numerous Pennsylvania YMCA State Championships later in his age group career and held State records in both the butterfly and backstroke events. He was the first male swimmer from the Bloomsburg YMCA to win a national title at the 1995 spring YMCA National Championships, in the 200 backstroke.  

James continued his swimming career at Harvard University, where he won the Ivy League Championship in the 100 yard backstroke as well as multiple 1st team All-Ivy and Academic All-Ivy designations.  Over the course of his four years, Harvard went 4-0 in the Ivy League Championship Meet and placed 11th at the NCAA Swimming and Diving Championships.  During the summers in college, James competed with the Mass Bay Marlins and FAST Swimming in California, attending US Swimming Long course National Championships each summer.  At the 1998 summer nationals, he had a chance to compete in an exhibition monofin competition.

Coach James continues to swim through US Masters Swimming.  He is a US Masters Swimming All-American and holds two USMS national records in the 50 yard butterfly and 50 meter butterfly.

Coach James got his coaching career started in college doing swim camps in the summer, then after college served as an assistant coach with the West Shore, Pa. YMCA for a few years before relocating to Virginia with his wife, Heidi in 2003.  James was a Senior Coach for Riptide for a few years before joining the Marlins coaching staff in 2018.  He is an ASCA Level 2 certified coach.  
Coach James lives in Centreville with his wife Heidi and three Marlins swimmers Helena, Quinn, and Nolan.
Becky Burke Audrey Moore - AGSD, MM

Becky is a native from Springfield, Virginia.  She began swimming at the age of 2 beginning with the Fairfax County Park Authority.  In 2002 she started swimming for Ravensworth Farm Swim and Racquet Club where she currently holds 2 individual and one relay record.  Becky started swimming with the Potomac Marlins in 2003 and hasn’t left.  She swam 2 years at Annandale High School, but wanted to commit all her time to US Swimming.  Becky swam one year in college at Shippensburg University, but transferred to George Mason to pursue her degree in Government/International Affairs.

Since 2011, Becky has won several events at the PVS LC Jr. Champs meet; was a member of the 2011 PVS Zones Team, 2014 PSAC Qualifier; and 2014 CSCAA Scholar All-American Team for the 2013-2014 academic year.

Becky has worked as a junior coach and deck coach since 2011 at Ravensworth Farm (NVSL) where she worked with children from no swim skills to those making Allstars.  The summer of 2014 Becky taught swim lessons at Camelot Pool for groups of children between the ages of 3-18. 

Becky continues to swim with the Potomac Marlins while attending school and hopes to continue to pursue her goals as well as helping others develop their own.


Dori Krause Audrey Moore AGSD / Mighty Marlins
Johann Shim Audrey Moore - AGAD, AG Sel, Senior Prep

Coach Johann grew up in South Korea and moved to Austria where he started swimming competitively at age of 7. He moved to Virginia at age 13 and continued his year round swimming with QDD and NCAP. Coach Johann swam in High School where he represented Robinson Secondary at the VHSL States in 100 Breaststroke and 200 IM Final for all 4 years. He served as team captain for his HS swim team his junior and senior years, where he led the team to win the VHSL State Championship. He was also selected to The Washington Post’s 2013 All-Met Second Team. Coach Johann was also a member of the varsity swim team at George Mason University, a division 1 NCAA school where he specialized in breaststroke and IM. He placed 3rd in A-10 Conference Championship and he set a new school record. He also competed in many National Level Meets. Johann is graduated from George Mason University with a degree in Kinesiology with a concentration in Youth Sports Performance.  

Coach Johann began coaching in the CSL as an assistant coach then moved to head coaching in NVSL and USA Swimming. Over the years, he has coached for Ilda Community, Wakefield Chapel, MAC, and Potomac Marlins from beginners, age-group swimmers, to competitive swimmers. Johann is currently certified as an ASCA level 2 swim coach with the American Swim Coaches Association and has completed the education component of Level 3. He has helped many of his swimmers reach Junior Olympics, Zones, Junior Nationals and High School States including NVSL record holder. He has also worked with swimmers on underwater video analysis and dry-land training to enhance their understanding of efficient utilization of gravity.

His goal as a coach is always to share the passion and to help his athletes find their own love of the sport. He feels blessed to be able to help them enjoyment in the process, not just the end result. He loves coaching and has a lifelong commitment to being the best coach he can be.

Jennifer Crowther Chinquapin - AGSD, AGAD, Silver

Jen grew up in the burbs outside of NYC. Although being an instant swimmer at age 3, her athletic endeavors began as a cyclist; entering any road races that permitted a 10 year old. Swimming only became serious business when the prerequisite to becoming a lifeguard was to swim the 500 free under 8 minutes (boy times have changed). This started her love for distance swimming.  Fast forwarding a decade or two, while trying to achieve a “b” cut in marathon, she has been ranked Age Group All American Triathlete, New England tri tour points champion, five year in a row Team USA ITU Long Course member, as well as earning several major brand sponsorships.

Professionally, this will mark her 21 st year as a swim coach. She has dedicated her entire professional career to the sport; absorbing everything she could and sacrificing many, many things along the way. After meeting the Education , swimmer Achievement , and coaching Experience the American Swimming Coaches Association sets forth, she has achieved Level 3 coach credentials. After 10 year in Metropolitan Swimming, Jen accepted a position with Clearwater Aquatics in Florida as Head Masters coach and Head Age Group Coach. Although her experience has helped swimmers reach USAT Pro Status, USA Swimming Olympic Trials, Senior and Junior Nationals, Zones and JOs, she truly believes it is ALL the amazing (and even the not so amazing) coaches in their lives that help form, inspire and drive them to achieve the best of themselves. This is why it is important to her to be part of an organization that believes this too.

Jen was in the honor society every semester in college and graduated Cum Laude with a BS in Health Education and Behavior from the University of Florida (Go Gators!!!!) and has her eyes set on a MS in Psychology. She has 2 daughters, Cassidy and Natalie, and they live in the Hollin Hall area of Alexandria.

John Gullickson KCSC - Site Head Coach, AGAD, AGSD, Sr

Coach John was born in El Salvador but raised in Mount Vernon, VA. Growing up in the NVSL (Mansion House) and DCCL (Mount Vernon Yacht Club) his swimming career would continue at FBST/AAC in addition to Mount Vernon & West Potomac High School. His competition days concluding at James Madison University (Club Swimming) would transition him to a greater role as Coach and Educator.

Coaching since 2004 Coach John has gained experienced through numerous summer leagues (NVSL, DCCL, PWSL & CCSDA) club swimming (VAST, PWSC, OCCS & AAC) in addition to High School Swimming (VHSL, WMPSSDL, VISAA).

Coach John is current the Varsity Head Swim & Dive and Water Polo Coach at TC Williams High School as well as the K-8 PE Teacher and Swim Coach at Alexandria Country Day School.

Coach John is excited to be returning to the Potomac Marlins Team & Staff at KCSC to further foster fun, fast, team spirit and working together to achieve goals in and out of the water.

Deena Williams Lee District

Deena Williams comes to the Marlins from the WTRC Sharks in Dayton, Ohio. She has thirty years of experience coaching swimming and track and field. She has worked with beginner to collegiate level athletes in seven states. A technical coach, she believes in the importance of self motivation for athletes of all ages and training with intent. A former multiple sport collegiate athlete, she was named by the San Francisco Examiner as one of the Bay Area’s top twenty five athletes. She recently moved to Alexandria with her husband Joe and their two dogs. Her son Connor, is currently swimming for Rider University. During the day she works as a writer and artist. Her book,  The Swim Mom’s Cookbook , was just published.

Board of Directors
Barry Marlin Owner/CEO/CFO/Outfitting
William Marlin Owner/Head Coach