David O’Brien is a corporate finance executive and founder of CFO Strategies, providing interim and fractional CFO services to organizations ready to elevate their financial performance and position for scalable growth. With more than two decades of leadership experience across global enterprises and private equity–backed companies, David brings a proven ability to align financial strategy with business vision.

Throughout his career, David has served as Chief Financial Officer for growth-oriented firms in the technology, life sciences, and manufacturing sectors—including AutoCruitment, MedPharm, Mayne Pharma, and RTI International. His expertise spans strategic planning, M&A support, ERP implementation, cash and treasury optimization, and board-level reporting. He is known for building strong executive partnerships, driving EBITDA improvement, and implementing data-driven systems that create clarity, accountability, and confidence in decision-making.

At CFO Strategies, David partners with CEOs, founders, and investors to deliver measurable impact through financial discipline and insight. His approach combines strategic foresight with operational execution—laying the foundation for sustainable profitability and long-term enterprise value.

David holds an MBA in Finance from Bryant University, a BS in Business Administration from Worcester State University, and is an active Certified Public Accountant (CPA) in North Carolina.