WASHINGTON, Dec. 19 -- Personnel changes in public policy organizations, colleges and government agencies - Dec. 18, 2025: * * * WHITE & CASE: Alejandro Santoyo joins the firm as a partner in its Global Tax Practice based in Mexico City, strengthening its capabilities in complex cross-border tax matters. Santoyo brings more than 30 years of experience advising on tax structuring for mergers and acquisitions, corporate finance transactions, private equity fund investments and divestments, and i more ST