Mary McMillan joined the ATS staff in 1992 as a data entry secretary. After holding various administrative support positions, she now serves as meeting coordinator for ATS. In this capacity, McMillan negotiates hotel contracts for all ATS meetings, acts as liaison between hotels and ATS, and supports the work of programs and services.
Before ATS, McMillan worked in administrative support positions for both Pittsburgh Theological Seminary and Synod of the Trinity, Presbyterian Church, USA. She holds the designation of a certified meeting planner.