Suzann (Zan) Riester

Suzann (Zan) Riester serves as Vice President of Finance, Contracts & Administration at the Potomac Institute. In this role, she leads a team of professionals responsible for the Institute’s day-to-day financial operations, contract management, and administrative functions. As the principal advisor to staff and leadership on finance, contracts, and administration, Zan draws on deep expertise in regulatory compliance, business strategy, and sound judgment. She collaborates with fellow senior management staff on governance, compliance, and strategic initiatives, and serves as a corporate officer. Her background spans senior roles in both for-profit and non-profit organizations, where she has played a pivotal role in driving revenue growth and client retention, particularly in start-up and mid-sized environments. Zan also serves on the boards of several non-profit organizations, reflecting her commitment to mission-driven leadership and community engagement.