EXHIBIT 24.1

POWER OF ATTORNEY

We, the undersigned directors of Teradata Corporation, hereby severally constitute and appoint each of Stephen McMillan and Margaret A. Treese our true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, to sign for us and in our names in the capacities indicated below on any and all amendments (including post-effective amendments) to the Registration Statement on Form S-8 with respect to the Teradata 2023 Stock Incentive Plan (As Amended and Restated on February 23, 2024), and to file the same, with exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto such attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite or necessary to be done in and about the premises, as full to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that either such attorney-in-fact and agent or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto affixed my signature this 16th day of May, 2024.

/s/ Michael P. Gianoni         Michael P. Gianoni	Director
/s/ Lisa R. Bacus             Lisa R. Bacus	Director
/s/ Timothy C.K. Chou         Timothy C.K. Chou	Director
/s/ Daniel R. Fishback         Daniel R. Fishback	Director
/s/ Todd E. McElhatton         Todd E. McElhatton	Director
/s/ Kimberly K. Nelson         Kimberly K. Nelson	Director
/s/ Joanne B. Olsen         Joanne B. Olsen	Director
/s/ John G. Schwarz         John G. Schwarz	Director