Greg Biles

Greg is a Partner within Grant Thornton’s Business Consulting Practice, where he leads strategic initiatives focused on finance transformation and operational excellence within the insurance industry.  With over 25 years of experience, Greg has consistently delivered high-impact solutions that align financial operations with broader business objectives, enabling clients to navigate regulatory complexity, enhance performance, and drive sustainable growth.  

Greg’s expertise spans a wide spectrum of financial disciplines, including controllership, SEC reporting, treasury operations, financial planning & analysis (FP&A) and enterprise system implementations. His deep understanding of insurance industry dynamics, combined with hands on experience in broker-dealer and investment banking environments, enables him to deliver strategic insights and impactful solutions to both Fortune 500 companies and mid-market firms.

Throughout his career, Greg has demonstrated a unique ability to translate complex financial data into actionable insights, lead cross-functional teams through transformation initiatives, and implement governance frameworks that mitigate risk and improve transparency. His leadership is defined by a strong commitment to operational excellence, strategic vision, and a collaborative mindset that drives innovation and long-term value creation.