We are happy to introduce our 2019 coaches. Andy Rosenthal, Karine Zeidan and Tim Kelly are returning to coach the Rockshire Sharks and provide another exceptional and fun-filled summer swim team experience! They will be joined by assistant coach Caroline Nowak. Maddy Adams will be our Pre Team Head Coach. We are thrilled to have such an energetic and dedicated group of coaches to lead our Rockshire Sharks!

Coaching Staff

Andy Rosenthal

Head Coach


Head Coach Andy Rosenthal is excited for his 5 th  season with the Rockshire Sharks!  In the winter, Andy works for Nation’s Capital Swim Club (NCAP).  At NCAP, he primarily coaches the Gold III and Bronze I groups.  Andy is a recent graduate from Middlebury College, where he was a four year member of the varsity swim team.  He also swam competitively for NCAP, Winston Churchill High School and the Tallyho Swim Club.  Andy is thrilled to be back at Rockshire and is looking forward to another fun summer! Go Sharks!

Karine Zeidan

Assistant Head Coach


Assistant Head Coach Karine Zeidan returns for her 3rd summer with the Sharks. She has been swimming with NCAP since the age of 12. She swam with Tim Kelly from when she was 16 until 18. Karine also taught swim school with NCAP for the last 4 years, and coached for the last 2. She graduated from Case Western Reserve University in May and and served as captain of the women’s swim team during her senior year. Karine is looking forward to another great summer and the coach's relay.  Go Sharks!

Tim Kelly

Assistant Coach


Assistant Coach Tim Kelly has been coaching full time for the last 26 years with Club and Division I college teams.  He‘s coached with multiple summer leagues, Southern Illinois, Purdue University, Davidson College and is presently coaching with Nations Capital Swim Club (NCAP). He swam competitively through college and at the National level. He also is a father of two young swimmers on the Rockshire team, Jordan and Madison.  He’s excited about helping out the Sharks this summer and looking forward to a fun and spirited season. Go Sharks!


Maddy Adams

Assistant Coach/Pre-Team Coach


Assistant coach and pre-team coach Maddy Adams has recently finished her first year at St. Mary's College of Maryland, where she studies environmental science and anthropology. She returns to Rockshire as a coach after 10 years as a swimmer, and could not be more excited to be back with the sharks. She swam with Joe Flaherty's dolphins for 9 years, and also swam on the Varsity team at Wootton high school. She also coached at JFD for 5 years and at Rockshire as a junior coach for 4 years. At St. Mary's, she continues to coach for the local kids, and is a member of the varsity rowing team. She is thrilled to coach this season, and hopes that everyone is ready for a fantastic summer. Go Sharks!