Michael Graham O'Brien serves as the Chief Financial Officer at ZoomInfo Technologies Inc., a leading go-to-market intelligence platform, where he joined in August 2021. In this role, O'Brien oversees all aspects of the company's global financial operations, including financial planning and analysis, accounting, treasury, tax, risk management, and investor relations. His strategic leadership has been instrumental in supporting ZoomInfo's growth initiatives, navigating public market dynamics following its 2020 IPO, and driving operational efficiency in a competitive SaaS landscape. Prior to ZoomInfo, O'Brien held the position of CFO at Ellie Mae from 2018 to 2021, where he spearheaded financial strategy during a period of rapid expansion and successfully guided the company through its $3.7 billion acquisition by Intercontinental Exchange (ICE) in 2020. Before Ellie Mae, he was Senior Vice President of Finance at Black Knight Financial Services from 2015 to 2018, managing key financial functions amid mergers and fintech innovations. Earlier in his career, O'Brien spent over a decade at Fidelity National Information Services (FIS) in various senior finance roles, honing his expertise in financial services technology. A seasoned finance executive with more than 25 years of experience in high-growth technology and financial services companies, O'Brien is a Certified Public Accountant (CPA) and holds a Bachelor of Science in Accounting from Florida State University. His track record of delivering strong financial results, facilitating major transactions, and fostering scalable infrastructures has positioned him as a key architect of sustainable growth at ZoomInfo.