Impact Sports Academy (ISA) is an elite indoor baseball and softball training facility located in the Town of Lawrence, just outside of Green Bay. ISA is owned by former Major League Baseball pitcher Jason Berken. It offers year-round baseball and softball instruction and travel team programs for youth athletes.

The 42,000-square-foot facility has a complete baseball infield, batting cages and a gym. Design features include 45-foot ceilings and a 4,000-square-foot performance center.