SIEMENS Siemens Ltd Management Changes Announcement 2025 - New Board Appointments Siemens Energy India Limited has appointed a new Board of Directors, including Mr. Sunil Mathur as Chairman and Mr. Guilherme Mendonca as Managing Director and CEO, as of March 25, 2025, in a bid to establish itself as an independent energy technology leader..Find Corporate Announcements for Press Releases, AGM, Insider Trading & SAST, Results and Corporate Action for Siemens Ltd