Byron Vielehr is COO of Apollo and is responsible for aligning the strategic business and investment priorities of the firm with our operational capabilities while leading continuous improvement, innovation, and adoption of new technologies. Byron joined Apollo in 2022 and serves on the Firm’s Leadership Team.

Byron joins Apollo with over 30 years of technology and financial services experience and most recently served as Chief Growth Officer at Fiserv, an integrated financial technology provider. During his eight-year tenure at Fiserv, he led the Payment, Digital, and Account Processing businesses, and had responsibility for enterprise strategy, M&A, venturing and strategic intelligence. Prior to his time at Fiserv, he was a senior executive at Dun & Bradstreet, an information services provider, where he ultimately served as President of D&B International, President of D&B North America, and Head of Global Operations. Previously, Mr. Vielehr served as President and COO of Northstar Systems, and Chief Information Officer of Merrill Lynch Private Client and Merrill Lynch Asset Management.

Byron received a BS from Drexel University and MBA from the Wharton School of Business. He currently serves on the Advisory Board of the University of Wisconsin Lubar School of Business and the Greater Milwaukee Committee. Previously he was on the board of Directors of Checkfree, Sagent, Defi, REIS, Marketcore, and Level 8.