Monday-Friday 2m-9pm
Saturday 10am-5pm
Sunday Closed
Closed-September 5 and 6
6635 Dublin Center Drive
Dublin, Ohio 43017
P: 614.717.9934 or 614.890.7526
F: 614.717.9433
Ron Marstiller
- Starting pitcher for the USA World International team for 10 years
- Starting Pitcher for the TWA National team for 24 years
- Played and Pitched in 14 World Tournaments on 5 continents, 32 National, 16 Regional and 36 State Tournaments
- National/International Pitching Instructor
- Assistant Coach for Capital University from 1998-2002
- Assistant Coach for Ohio Dominican University from 1999-Present
- Has coached statewide with 6 colleges and Universities
- Over 46 years fast-pitch experience
- Has instructed over 4,000 students in 6 states for over 23 years
To learn more about Mannino's Grand Slam USA, including information about our passion, business and our staff, click on the links provided for you below.