 SAN FRANCISCO--BUSINESS WIRE--Indaba Capital Management L.P. together with its affiliates, Indaba or we, which is the largest unaffiliated shareholder of MDC Partners Inc. NASDAQ: MDCA MDC or the Company, today questioned Stagwell Media LPs Stagwell announcement of its intention to recommend the appointment of Eli Samaha of Madison Avenue Partners, LP Madison to the newly-combined entitys Board of Directors the Board. Derek Schrier, Managing Partner of Indaba, comm 