Casey Heller serves as Chief Financial Officer at Definitive Healthcare Corp. (Nasdaq: DH), the leading provider of comprehensive healthcare commercial intelligence. In this pivotal role, he oversees all financial operations, including strategic planning, capital markets, investor relations, treasury, tax, and risk management. Since joining in 2021, Heller has guided the company through its successful public listing via SPAC merger and subsequent phases of accelerated growth, emphasizing disciplined financial stewardship amid a dynamic healthcare data landscape. Prior to Definitive Healthcare, Heller was CFO at Klaviyo, where he spearheaded financial operations during a period of hyper-growth leading up to the company's blockbuster IPO in 2023. He previously held senior finance leadership positions at Wayfair, including Vice President of Finance, managing financial planning, accounting, and investor relations as the e-commerce giant expanded globally. Earlier, Heller spent nearly a decade at Bain Capital as a Vice President in the Private Equity group, executing investments in healthcare and technology sectors. Heller earned his MBA from Harvard Business School and a BBA from the University of Michigan's Ross School of Business. His track record of scaling high-growth companies, optimizing capital structures, and delivering shareholder value has been instrumental in positioning Definitive Healthcare for sustained profitability and market leadership.