Retired Senior Executive Vice President and Chief Financial Officer of AT&T Inc. Independent Age 66 Director since 2019 Committees Audit (Chair) Current Public Company Directorships Solid Power, Inc. Skills and Qualifications Over 35 years of accounting and corporate finance expertise, including experience in matters of financial planning, corporate development, accounting and accounting policy, tax, auditing, treasury, investor relations, corporate real estate, business planning and financial, operational and regulatory reporting Senior leadership experience in the oversight of a large, publicly traded company and vast experience in financial and accounting matters, information security, technology, international business and affairs, and mergers, acquisitions and other major corporate transactions Experience in oversight of enterprise risk management in role as Audit Committee Chair of a large private food retailer Business Experience AT&T inc., a diversified global leader in telecommunications, media and entertainment and technology 2011 to 2021 Senior Executive Vice President and Chief Financial Officer 2001 to 2011 Senior Vice President and Controller 2000 to 2001 Vice President Taxes Education and Professional Credentials B.S.B.A. in Accounting from Rockhurst University and J.D. from St. Louis University School of Law