MDC Partners Inc. (MDC) is a provider of marketing communications services to customers worldwide. MDC has operating units in the United States, Canada, Europe and the Caribbean. The Company�s subsidiaries provide a range of marketing communications and consulting services, including advertising, interactive and mobile marketing, direct marketing, database and customer relationship management, sales promotion, corporate communications, market research, corporate identity, design and branding, social media and marketing, ecommerce and other related services. MDC operates in two segments: Strategic Marketing Services and Performance Marketing Services. Effective March 28, 2012, MDC invested in Doner Partners LLC (Doner). Doner is an integrated creative agency. In addition, the Company acquired a 70% interest in TargetCast LLC (TargetCast). TargetCast is a media agency. The Company acquired a 51% interest in Dotbox LLC (Dotbox).