Description: APTA Presient Rob Coster resigns from Board and Bill O'Brien steps in as Interim President. 2015 APTA Board Candidate profiles. Volunteer of the Month - Jo Rogers. APTA Viking Clinics and Exhibitions World Tour.. Board member profile - Aila Main. Senior News - Womens 50+ Nationals. Junior News - Glenbrook South High School Paddle Club filled to brim. Tournament Schedules and Men's and Women's Rankings.