John Kahan

Stagwell Inc.: From Mark Penn's $250M LLC to a NASDAQ-Listed Top-10 Marketing Holding Company

Stagwell Inc. (NASDAQ: STGW) is the fifth major advertising and communications holding company. Founded in 2015 by Mark Penn as a $250M private LLC, merged with MDC Partners in 2021, today 70+ agencies, 13,000+ employees, $2B+ revenue. The full arc.