Our Leadership Team

Christopher A. Cartwright has served as the President & Chief Executive Officer of TransUnion and a member of the Board of Directors since May 2019. He joined the Company in August 2013, previously serving as Executive Vice President, U.S. Information Services, where he helped drive TransUnion’s transformation into a global information and insights company as the head of the largest business unit, including providing consumer reports, risk scores, analytical services and decision technology to customers in the U.S. across the financial services, insurance, tenant and employment screening and public sector industries.

Prior to joining TransUnion, Mr. Cartwright was the Chief Executive Officer of Decision Insight Information Group, a portfolio of independent businesses providing real property information, software and services to insurance, finance, legal and real estate professionals in the United States, Canada and Europe. Mr. Cartwright also spent almost 14 years at Wolters Kluwer, a global information services and workflow solutions company, where he held a variety of executive positions of increasing responsibility, culminating in CEO of the Corporate and Financial Services Division and Shared Services, North America. Prior to Wolters Kluwer, he was Senior Vice President, Strategic Planning & Operations for Christie’s Inc. and Strategy Consultant for Coopers and Lybrand.

Mr. Cartwright earned his bachelor's degree in business administration and a master's in public accountancy from The University of Texas at Austin. He serves on the Board of Directors of P33 Chicago and the Board of Trustees of the Griffin Museum of Science and Industry.

Mohamed F. Abdelsadek has served as Executive Vice President, Chief Global Solutions Officer since March 2025. As TransUnion works to make trust possible in global commerce, Mr. Abdelsadek oversees activities including managing revenue growth and profitability through the strategy, planning, innovation and commercialization of TransUnion’s products and solutions globally.

Mr. Abdelsadek previously served as EVP, Business and Market Insights at Mastercard and member of the company’s management committee from July 2024 to March 2025. Prior to that he held positions at Mastercard including EVP, Data, Insights & Analytics from January 2022 to July 2024; EVP, Services in North America from May 2020 to December 2021; and EVP, Strategy and Corporate Development from September 2017 to April 2020. Prior to Mastercard, Mohamed was SVP, General Manager of Synchrony Financial, Executive, Global Head of Strategy for GE Capital and Associate Partner for McKinsey & Company.

Mr. Abdelsadek earned an M.B.A. from the University of Pennsylvania’s Wharton School, an M.S. in computer science from Columbia University and a bachelor’s degree in computer science and electrical engineering from SUNY at Stony Brook.

Venkat Achanta has served as Executive Vice President, Chief Technology, Data & Analytics Officer for TransUnion since July 2023. Along with leading TransUnion’s unified data strategy and the data science function across the organization, Mr. Achanta is responsible for all aspects of the Company’s technology, including strategy, security, product engineering, operations, infrastructure and delivery of solutions that support TransUnion’s global information systems. He previously held the role of Executive Vice President, Chief Data & Analytics Officer from February 2022 to July 2023. Mr. Achanta previously served as Executive Vice President and Chief Data & Technology Officer of Neustar, Inc., where he led data science, data strategy and technology teams across the company. While at Neustar, he helped lead the creation of the OneID platform and technology transformation across all products.

Prior to joining Neustar in 2016, Mr. Achanta was Chief Data Officer and Head of Data and Analytics at Walmart, beginning in 2014, leading all data and analytics delivery platforms across the company globally. While at Walmart, he spearheaded the data fabric, advanced analytics platforms and decision services groups. Prior to Walmart, Mr. Achanta was Global Head of Analytics and Big Data at AIG. Mr. Achanta also has held senior leadership positions in technology and data & analytics at Capital One and Experian.

Mr. Achanta earned his Bachelor of Science degree in Computer Science and Engineering from Andhra University in India and his M.B.A. from UCLA’s Anderson School of Management.

Todd M. Cello joined the Company in October 1997 and has held numerous roles with increasing levels of responsibility in the corporate finance department. Mr. Cello has served as our Executive Vice President, Chief Financial Officer since August 2017. Prior to his current role, Mr. Cello served as Senior Vice President and International CFO from August 2015 to August 2017, overseeing financial operations for the International segment. Prior to that, Mr. Cello served as Vice President, Financial Planning and Analysis from January 2009 to August 2015, overseeing the enterprise financial planning and analysis function, where he played a lead role in the two leveraged buyouts of TransUnion in 2010 and 2012 and the initial public offering of TransUnion in 2015. Prior to that, Mr. Cello served as Vice President and U.S. Information Services CFO from October 2005 to December 2008, overseeing financial operations of the U.S. Information Services segment. Mr. Cello also serves on the University of Illinois at Chicago’s College of Business Advisory Council.

Mr. Cello earned his bachelor’s degree in Accounting from University of Illinois at Chicago and is a certified public accountant.

Tiffani L. Chambers has served as Executive Vice President, Chief Operations Officer since February 2025. As TransUnion works to deliver premium experiences for consumers and customers, Ms. Chambers oversees activities including consumer relations, customer delivery and relationship management, TransUnion’s Global Capability Center network, procurement and real estate.

Ms. Chambers previously served as Chief Operating Officer to the Retail Banking Division at Bank of America from October 2021 until December 2024. Beginning in July 2018, she served as Chief Operating Officer for Bank of America’s global banking and markets, risk, finance and infrastructure technology team. She also served as managing director of global client strategy and operations for the operations division of Goldman Sachs. She previously held leadership roles with JP Morgan Chase, Lehman Brothers and American Express.

Ms. Chambers earned her M.B.A. from Harvard Business School and her B.B.A. from Emory University. She serves on the advisory board of the Center for Multicultural and Community Affairs at Mount Sinai Hospital.

Steven M. Chaouki has served as the President, U.S. Markets since May 2019. U.S. Markets provides consumer reports, actionable insights and analytics to businesses and consumers.

He previously held the role of Executive Vice President, Financial Services from 2013 until May 2019, responsible for the company’s financial services business, which provides solutions to banks, credit unions, finance companies, auto lenders, mortgage lenders, FinTechs and other consumer lenders in the United States. Before joining TransUnion, Mr. Chaouki held roles at HSBC in card/retail services and auto finance. Mr. Chaouki has served on the board of MAIA Biotechnology, Inc. (NYSE American: MAIA) since 2021, where he is a member of the Audit Committee.

Mr. Chaouki earned his bachelor’s degree from Boston University and his M.B.A. from the University of Chicago Booth School of Business.

Timothy J. Martin has served as Executive Vice President, Strategic Advisor since March 2025. In this role, Mr. Martin is responsible for advising and engaging on various enterprise strategic initiatives and supporting any related operational initiatives.

Mr. Martin previously served as Executive Vice President, Chief Global Solutions Officer for TransUnion from May 2019 to March 2025. Prior to that, he held business management roles at TransUnion leading a number of industry vertical-focused teams and a high growth horizontal solution called the Specialized Risk Group. Prior to joining TransUnion in September 2009, Mr. Martin was President and Chief Operating Officer of HSBC Auto Finance, a consultant with Booz Allen Hamilton (now PWC Strategy&), and senior marketing analyst with American Airlines. Mr. Martin serves on the non-profit board of the Child Rescue Coalition.

Mr. Martin earned his B.S. in Management from Purdue University and his M.B.A. from the University of Michigan Business School.

Heather J. Russell is Executive Vice President, Chief Legal Officer of TransUnion. Ms. Russell is an accomplished legal executive with more than 25 years of diverse experience across the global financial services and technology sectors. She is responsible for legal, risk, compliance, government and regulatory relations, corporate governance, consumer privacy, business continuity and sustainability functions for TransUnion and its subsidiaries around the world. Prior to joining the Company in 2018, Ms. Russell served as: Executive Vice President, Chief Legal Officer and Corporate Secretary at Fifth Third Bank; Managing Director and Global Head of Public Policy and Regulatory Affairs at Bank of New York Mellon; and as Senior Vice President and Associate General Counsel at Bank of America. She also spent eight years at Skadden in Washington, D.C. and London focused on bank regulatory issues, consumer financial services, corporate finance, and mergers and acquisitions.

Ms. Russell earned her B.A. from the College of William & Mary and her J.D. with honors from American University’s Washington College of Law, where she received the Outstanding Graduate Award. Ms. Russell serves on the board of directors of the U.S. Chamber of Commerce, the world’s largest business organization. She is also on the boards of Illinois Legal Aid – where she serves on the Executive Committee and as Secretary of the organization – and the Chicago Council on Global Affairs, where she serves on the Executive Committee and chairs both the Nominating and Governance Committee and the Council’s CEO Search Committee.

Steven D. Sassaman joined the Company in 1996 and serves as Executive Vice President, Chief Commercial Officer for TransUnion. In this role, Mr. Sassaman is responsible for driving global strategic growth initiatives. He has held various senior level positions across the Company, most recently serving as Chief Revenue Officer, U.S., from 2013 to 2019. In this role he was responsible for overseeing TransUnion’s business to business client relationships, and helped architect the organization’s transformation into a high-growth, high-performing entity with broad prominence in the spaces in which it operates. He previously served as EVP, Head of Financial Services from 2009 to 2013, as well as held management positions within the Insurance and core credit reporting businesses, as well as the Global Technology organization.

Mr. Sassaman earned his bachelor’s degree in Business Administration from Temple University. He serves as TransUnion’s representative on the boards of VantageScore Solutions LLC and Prove Identity, Inc. and is on the board of the Consumer Data Industry Association.

Todd C. Skinner has served as President, International since August 2021 and is responsible for leading TransUnion’s growth across international markets. Mr. Skinner has nearly 30 years of experience delivering information solutions at leading global companies. He joined TransUnion in 2014, previously serving as TransUnion’s Regional President of Canada, Latin American and Caribbean. Prior to joining TransUnion, Mr. Skinner was the President of First Canadian Title Default Solutions, a technology recovery business. Previously, he served as Chief Credit Officer and Chief Operations Officer for Retail Banking and Wealth Management at HSBC. He also served as President and Chief Executive Officer for HSBC Financial, an HSBC subsidiary that operated in consumer finance, private label credit card financing, MasterCard, wholesale mortgage lending, mortgage brokering and full spectrum auto finance.

Mr. Skinner earned his bachelor’s degree of commerce from St. Mary’s University and his M.B.A. from the Kellogg-Schulich Executive M.B.A. He serves as TransUnion’s representative on the Global Board of the U.S.-India Business Council (USIBC) and the board of directors for Trans Union de Mexico S.A., TransUnion International UK Ltd., TransUnion CIBIL Limited.

Alicia B. Zuiker has served as Executive Vice President, Chief Human Resources Officer since June 2025. In this role, she leads TransUnion’s ongoing work to build a people strategy, culture and reputation that helps make trust possible in global commerce so that consumers and organizations can transact with confidence. She is responsible for the company’s Human Resources and Communications functions.

Ms. Zuiker previously led human resources for Lyft as Chief People Officer from February 2023 through January 2025. Prior to that, she served as Chief People Officer at Visby Medical from May 2021 through December 2022, and Director, People, at Google from November 2019 through April 2021. Previously, she spent 14 years at General Electric in a series of human resources leadership roles spanning GE’s Digital and Capital businesses, among others.

Ms. Zuiker earned a master’s degree in human resource management from Purdue University and a bachelor’s degree in business administration and psychology from Alma College.