Columbia-based Impact Support Services describes itself as a leading provider for residents with disabilities in Boone County. They strive to be the best provider in all services offered. Impact Support Services says studies show that workers who have disabilities are more likely to stay in jobs longer, reducing high turnover costs. Impact Support Services executive director Don Lafferty joined host Fred Parry in-studio for the hour Saturday morning on 939 the Eagle’s “CEO Roundtable” program. Mr. Lafferty grew up in northwest Missouri’s Trenton, a town of about 5,600 in Grundy County. He earned a degree from what was then called Central Missouri State in Warrensburg. Impact Support Services used to be called Alternative Community Training. Mr. Lafferty started with the organization in 1992, working as a direct support professional (DSP). He says Impact Support Services has a staff of about 250 employees, noting about 200 of them are direct support professionals: