Stephen Tulenko

Stephen Tulenko is the Chief Executive Officer of Dun & Bradstreet, a leading global provider of business decisioning data and analytics. Appointed CEO on September 3, 2025, Stephen brings decades of experience in data, analytics, and enterprise leadership to the role.

Stephen is known for his strong entrepreneurial drive, deep industry expertise, and forward-thinking approach to AI innovation. As CEO, Stephen will lead Dun & Bradstreet into its next phase of growth, building on the company’s momentum and expanding its impact in the data and technology space.

Prior to joining Dun & Bradstreet, Stephen served as President of Moody’s Analytics, where he led the company to over $3 billion in revenue. Over his tenure at Moody’s, he held several senior leadership roles, including the Executive Director of Enterprise Risk Solutions and Executive Director of Sales, Customer Service, and Marketing. Before the establishment of Moody’s Analytics, Stephen held various roles in sales, product development, and strategy at Moody’s Investors Service, where he began his career in 1990.

Stephen holds a bachelor’s degree in Economics and Business Administration from the University of Notre Dame, and an MBA in Finance, Marketing, and International Business from the Stern School of Business at New York University.