City of Clarkston Hosts Career Expo Press Release. Please come out to the Clarkston Community Center on Wednesday, August 11, 2021, from 10 am to 2 pm. Masks are required for all Job Seekers attending the Career Expo. Over 30 businesses that are hiring are expected to be present, including MARTA, Children’s Healthcare of Atlanta (CHOA), UPS, FedEx, and Grady. Email cafeclarkston@gmail.com to schedule an appointment with a career counselor.