Jan Siegmund joins Marsh McLennan’s board of directors – Consulting.us News Mang. Const. Jan Siegmund joins Marsh McLennan’s board of directors Consulting.us Source: Mang. Const. July 15, 2024/by PR PR http://gulfstrategic.com/gc/wp-content/uploads/logo_final.jpg 0 0 PR PR http://gulfstrategic.com/gc/wp-content/uploads/logo_final.jpg PR PR2024-07-15 10:26:522024-07-15 17:06:19Jan Siegmund joins Marsh McLennan’s board of directors - Consulting.us