X0206 3 2021-02-10 1 0001828791 Viant Technology Inc. DSP 0001219307 VALDES MAX O C/O VIANT TECHNOLOGY INC. 2722 MICHELSON DRIVE, SUITE 100 IRVINE CA 92612 1 0 0 0 Exhibit 24 - Power of Attorney /s/ Larry Madden, Attorney-in-Fact for Max O. Valdes 2021-02-10