Coaches and Directors

Coaches and Directors
Coaching Staff
Sean Marshall Head Coach of BAC & West High

Sean an  ASCA Level 4 Coach (Level 5 educated), began his professional coaching career as the Head Age Group Coach of the City of Mobile Swim Association in Mobile, AL after graduating and swimming collegiately at Gannon University in Erie, PA. While at  CMSA he was awarded the Southeastern Swimming Age Group Coach of the Year in 2005 and selected to the Zone All-Star Coaching Staff in 2005 & 2006. After  CMSA, Sean coached for the Nashville Aquatic Club in Nashville, TN as the Senior Assistant. Sean got the opportunity to work with 6 of  NAC's Olympic Trials Qualifiers during that time. After NAC, Sean then coached for the Eagle Swim Team in Baltimore, MD. Beginning as the Head Age Group Coach his responsibilities expanded over those 7 years on EST to include taking over the Senior group as well as being named the Associate Head Coach of the Eagle Swim Team. Sean helped guide EST swimmers to three consecutive short course Sectional Championships in 2011, 2012, & 2013 for a total of 6 overall titles.  After EST he then took over the reins and became the Head Coach of the Weymouth Club Waves near Boston, MA.  In his two years with the Waves the team produced 2 USA Swimming Junior National Qualifiers, multiple Sectional qualifiers, and multiple New England champions while rewriting the Waves Team Record Book. 

In the past years that Sean has been the Head Coach of the BAC, the Stingrays have placed 2 swimmer's on the USA Swimming National Junior Team, with also a World Top 100 Ranking, produced 2 Olympic Trials Qualifers, 2 National Qualifiers (and a National Finalist), 6 Junior National Qualifiers (and 3 Individual Junior National Medalists), Futures Qualifiers, Sectional Qualifiers, Regional Qualifiers as well as Champions at each Championship Meet.  The BAC has rewritten the Team Recordbook with over (100+) records broken, as well as the Montana State Recordbook breaking over (30+) records and counting.  

BAC Team Championships
2017 SCY Men's Team Title
2017 LCM Overall Combined Team Title, Men's & Women's State Team Titles.
2018 SCY Overall Combined Team Title & Men's Team Title
2018 LCM Overall Combined Team Title, Men's & Women's State Team Titles.
2019 SCY
Overall Combined Team Title, Men's & Women's State Team Titles.
2019 LCM Overall Combined Team Title, Men's & Women's State Team Titles.

2020 SCY Overall Combined Team Title, Men's & Women's State Team Titles.
2021 SCY Overall Combined Team Title, Men's & Women's State Team Titles.
2021 LCM Overall Combined Team Title, Men's & Women's State Team Titles.
2022 LCM Women's Team Title.


Montana Swimming Head Coach of the Year 2017 & 2021.
USA Swimming National Junior Team Coach Rosters 
2017-2018, 2018-2019, 2019-2020, 2020-2021.

A number of the swimmers Sean has been able to coach have continued their swimming careers on athletic scholarships to various levels of collegiate swimming including but not limited to the following;  Arizona, Arizona State,  Bucknell, Columbia, George Mason, George Washington, Harvard, LSU, University of Mary, New York University, Penn, PITT, Providence, Richmond, Salisbury, Tennessee, Texas,  UMBC, Vanderbilt, William & Mary, Yale, Pacific University, Wesleyan University, Kenyon College, University of Wisconsin, University of Virginia, Seton Hall University, University of South Carolina, Whitworth University, King University, Northern Arizona University, & Kean University!

Jessica Marshall Head Age Group Coach

Jessica is an ASCA Level 2 Coach (Level 3 educated) and began her coaching career in 2011 with Billings Aquatic Club assisting with the Senior Group. After moving to Minnesota in 2012 to continue coaching and teaching lessons she returned to Billings Aquatic Club in 2015. In 2016, Jessica took over the role as Head Age Group Coach for BAC and primarily coaches  our Silver, Bronze, and Junior Stingray Groups.  

During her coaching career, Jessica has helped swimmers achieve their goals and has coached State, Regional and Zones Qualifiers.  She has consistently produced Montana Relay & Individual State Champions for BAC as well as a number of Team Record Holders.   Coach Jessica was a 2018 & 2019 Montana Sr Zones Coach. 

She has been an integral part of the coaching staff when BAC won their most recent State Championships;

Men's Short Course 2017 Championship Title
Men's, Women's, and Overall Long Course 2017 Championship Titles
Men's & Overall Short Course 2018 Championship Titles
Men's, Women's, and Overall Long Course 2018 Championship Titles
Men's, Women's, and Overall Short Course 2018 Championship Titles
Men's, Women's, and Overall Long Course 2019 Championship Titles
Men's, Women's, and Overall Short Course 2020 Championship Titles
Men's, Women's, and Overall Long Course 2021 Championship Titles
Men's, Women's, and Overall Short Course 2021 Championship Titles
Women's Long Course 2022 Team Title

4x Consecutive Montana Age Group Head Coach of the Year Award Winner
***MT Swimming Age Group Coach of the Year 2017-2018***
***MT Swimming Age Group Coach of the Year 2018-2019***
***MT Swimming Age Group Coach of the Year 2020-2021***
***MT Swimming Age Group Coach of the Year 2021-2022***

Olivia Smith Assistant Coach

Olivia graduated from Billings Central High school in the spring of 2017. During her four years at Central she swam competitively for the High School team and was able to be apart of the team when they won the class A title. Olivia started her competitive swimming career in the fall of 2010 when she joined the Billings Aquatic Club. During her time on BAC, she was able to participate on both long course and short course state teams as well as score points at each of those state meets.  Olivia was a part of the most recent state meet leading to BAC's Long Course State Championship Overall Team Trophy along with a Girls & Boys Team Championship Trophy.  Olivia is excited to give back to BAC and help build our team & culture from the bottom up as she will assist and coach the Junior Stingrays & Bronze Groups.

Board of Directors
Patrick Seitz President
Dawn Githens Vice President
Venita Sheridan Treasurer
Heather Hasiak Secretary
Jennifer Paterson Fundraising Coordinator
Carla Klies Volunteer Coordinator