Last January, Sheila Corriveau cofounded AgencyLink to help companies maximize the performance of their marketing agencies. She is also the past president and CEO of Porter Novelli Canada, before being promoted to global network director and partner. In the latter role, she drove interdependence between Porter Novelli's 100 offices worldwide, ensuring consistent client service standards, resolving conflicts and coordinating performance audits. She spoke to PRWeek about how agencies and their clients can get the most out of their partnership.