DALLAS--(BUSINESS WIRE)--MD Buyline, the leading provider of strategic sourcing information and research to healthcare organizations, and MediTract, the only enterprise contract lifecycle management and compliance company solely dedicated to healthcare, today announced key presenters at the nation’s first and only conference dedicated to Purchased Services. Bret Bissey, MBA, FACHE, CHC, CMPE and Senior Vice President Compliance Services of MediTract; David Paschall, Chief Operating Officer of M