Head Coach

Blue Group Lead Coach

Katie joined the RAC coaching staff in 2012.  She grew up swimming for RAC and is a graduate of Radnor High School. Katie attended Penn State University, where she competed in the sprint freestyle events.  She was an All-American, school record holder, NCAA qualifier, and Big Ten Champion at PSU.  Katie has a B.S. in Elementary Education from Penn State and a Master’s in Education from La Salle University. During her tenure at RAC, Katie has been the Red Group Lead Coach, Bronze Group Lead Coach, and was previously the Head of Group Development. She has trained and prepared age group, high school, and collegiate athletes to compete at an elite level.  In addition to her role at RAC, Katie is a fifth grade teacher at The Haverford School.

 

 

 

Chase Gibson

Diane Humes-Green

Brendan  joined the Radnor Aquatic Club coaching staff in 2022. He has been the assistant swimming coach at The Haverford School for the past 18 seasons. Prior to his time on the Main Line he was a volunteer assistant coach with Johns Hopkins University swim team, as well as being an age group coach for Loyola Blakefield Aquatics during the 2003-04 school year. In the summer months Brendan was the head coach of the Ocean Pines Swim Team of Berlin, MD from 2003 until 2005. A native of Forest Hill, MD, Brendan swam for Loyola Blakefield in Towson, MD and then for four years at Gettysburg College.   Brendan holds a BA from Gettysburg College and an MBA from West Chester University. During the day he is an advisor sales consultant for Orion Advisor Solutions. Brendan is married to his wife, Katie, and has two boys Liam and Reese. 

Barry Smith

Barry has been in or around water since the early days as an age grouper at the local YMCA in Northeastern Pennsylvania. His swimming career continued through high school where he was team co-captain and later as a member of the West Chester University team. After college, he remained involved in the sport as a masters swimmer and ocean lifeguard where he competed in annual beach competitions and numerous open water challenges including the prestigious 4.4-Mile Great Chesapeake Bay Swim. Coach Barry is a USA Swimming member coach with years of experience working with athletes aged 6 years and older. His coaching background includes roles as Head Coach at the West Chester Area YMCA for 10+ years, Middle Atlantic Swimming Zone Team Coach, and foundational coaching positions with other regional programs including French Creek Racing and Life Time Philly Aquatics. Coach Barry has led teams and individual swimmers to the podium at local, state, and national competitions in YMCA/USA Swimming and coached numerous medal winners at PIAA High School and Eastern Scholastic Swimming Championships. A student of the sport, Coach Barry’s technique-driven approach focuses on developing proper stroke mechanics to help swimmers find fitness faster so they can train more efficiently and achieve their personal goals. Coach Barry lives in West Chester with his wife Janeen and their three weimaraners.

 

 

 

Siobhan McDonough

Red Group Lead Coach

Siobhan is a former RAC swimmer and joined the coaching staff in 2019.  She started her swimming career at Aronimink Swim Club and continued it at La Salle University, where she specialized in distance freestyle.  Siobhan has previously coached at Philadelphia Country Club and Swarthmore Swim Club, and is currently a 5th grade teacher in the Marple Newtown School District.  Siobhan loves watching our swimmers work hard, crush goals, and have fun!

 

 

 

 

 

Caitlin McDonough

White Group Lead Coach

Caitlin started her swimming career at Aronimink Swim Club and continued swimming throughout high school at Upper Darby High School and Lansdowne YMCA. She has been coaching swimming since 2012, where she started as an assistant coach at Aronimink Swim Club. She has also coached for Lansdowne YMCA, Philadelphia Country Club and Swarthmore Swim Club. She currently teaches chemistry at Conestoga High School. Caitlin is looking forward to being part of the RAC team and working with swimmers of all different skill levels.

 

 

 

 

Julie Street

Assistant Coach

Julie joined the Radnor Aquatic Club coaching staff in 2014. She swam for Harriton High School, Lower Merion Aquatic Club, and Stony Lane Swim Club, where she is currently a head coach. Julie graduated from The Schreyer Honors College at Penn State with a degree in Finance and currently works for Superior Plus. She’s excited to be a part of the RAC team!

 

 

 

 

Hannah Turlish

Masters Program Lead

Hannah joined the RAC coaching staff in 2024. She has been coaching on and off for over 25 years, including as an assistant at The Haverford School, where she is currently an Upper School History teacher. A Maine native, Hannah was a member of the Germantown Academy National Champion teams of 1986 and 1987, a Senior Nationals finalist for Team Foxcatcher, and a school and ACC record holder at the University of North Carolina, where she was also a two-time Division I All-American (and lived across the dorm hallway from Coach Margaret one year!). She loves working with kids of all ages, and the smell of chlorine makes her smile. 

 

Stephanie Viola

Assistant Coach

Stephanie joined the Radnor Aquatic Club coaching staff in 2019.  Stephanie has been coaching swimming since 2007 and is a former RAC swimmer. She served as an assistant coach for Aronimink Swim Team from 2007-2012 and since 2012 has served as the head coach at Aronimink. She also was the assistant swim coach at Rustin High School from 2014-2018 and is now the assistant swim coach at Haverford High School. Stephanie started her swimming career at Aronimink Swim Club then continued on in high school at Archbishop Prendergast & Radnor Aquatic Club and for one year at West Chester University. She is currently a physical education teacher at Haverford Middle School.

 

 

 

 

 

Patrick Casey

Assistant Coach

Patrick swam for Radnor aquatic club for 11 years from 2012 to 2022 when he graduated. Now he swims for Villanova University, focusing on distance freestyle. He loves the sport of swimming and is very excited to coach at RAC this year and give back to the club that gave him so much fun.

 

 

 

 

 

 

Antonio Octaviano

Assistant Coach

Antonio swim competitively for Radnor Aquatic Club for nine years, from 2011 to 2020. He also swam for The Haverford School, continuing his passion for the sport at the University of Minnesota. In addition, Antonio has spent the past seven summers coaching at Aronimink Golf Club. With a genuine love for working with kids, Antonio is eager to begin coaching at RAC!

 

 

 

 

 

Maddie Aguirre

Assistant Coach

Maddie joined the RAC staff in 2025.  With almost 20 years of swimming experience, Maddie is a dedicated swim coach who loves to foster enthusiasm and a hard work ethic in her swimmers. She swam for 14 years at Suburban Seahawks Club (SSC), setting numerous program records and voted team captain.  Maddie swam for the Division I Varsity Swimming and Diving team at the University of Wisconsin-Madison. She specialized in distance free-style and IM. While at UW, Maddie was a 3 time Big Ten Meet Qualifier, 3 time Big Ten All-Academic Team, and was named to the dean's list multiple semesters. She graduated in May 2023 with a degree in Consumer Behavior and Marketplace Studies, with certificates in Entrepreneurship and Political Science. Maddie currently serves as an assistant swim coach for Agnes Irwin, works for Free People as an allocator, working on stores financial and assortment planning and is training for a half iron-man.

 

Erin Shema

Assistant Coach

Erin swam for the Suburban Seahawks Club (SSC) in high school and continued her career at both the University of Cincinnati and the University of Delaware where she swam at the NCAA Division 1 level for 4 years before graduating in 2024. Erin's favorite events are the 200 IM and the 200 Free. Currently, she works as a clinical research coordinator at the Children's Hospital of Philadelphia (CHOP). She is excited to stay connected to the sport through coaching and to help young athletes learn and build confidence in and out of the pool.

 

 

 

 

 

 

Jensen Ritter

Assistant Coach

Jensen graduated from Monmouth University in May 2025, where she was a four-year Division I student-athlete and two-year team captain on the women's swimming team, specializing in butterfly and distance freestyle. During her collegiate career, Jensen became a six-time school record holder, earned All-CAA honors and was a bronze medalist in the 200 Butterfly at the 2025 CAA Championships. Before Monmouth, she grew up in Maryland where she swam competitively for Monocacy Aquatic Club and was also a two-time National Lifeguard Champion representing Bethany Beach Patrol in Delaware. Jensen currently serves as the Aquatics Coordinator at Villanova University and is excited to continue sharing her passion for swimming by coaching athletes of all ages.