Improve the grammaticality of this text: In 1997, the CDC began the development of an initiative called Active Community Environments (ACEs) coordinated by Rich Killingsworth (the founding director of active living by Design) and Tom Schmid, a senior health scientist.
In 1997, the CDC began the development of an initiative called Active Community Environments (ACEs) coordinated by Rich Killingsworth (the founding director of Active Living by Design) and Tom Schmid, a senior health scientist.