Kirstie Tiernan

Kirstie Tiernan is a National AI Leader and a member of BDO USA’s Board of Directors. For more than 20 years, she has helped organizations and large, complex teams navigate data, technology, and AI transformation with a focus on practical results, strong governance, and real-world adoption.

Kirstie is known for translating complicated technology into clear decisions that executives, boards, and frontline teams can act on. Her work centers on building AI programs that are transparent, reliable, and aligned with an organization’s mission, values, and operating realities. She believes AI should reduce friction, improve decision-making, and give people more capacity for the work that requires judgment, creativity, and human connection.

Across industries, Kirstie has supported organizations managing resource constraints, distributed operations, and demanding accountability standards. She has helped teams strengthen data integrity, improve visibility across field and headquarters operations, and design technology that works in challenging environments. Her experience with multi-country programs gives her a grounded understanding of what it takes to move from strategy to implementation while supporting the people responsible for delivering results.