Media Consulting Group Taps Programmatic Veteran to Drive Buy-Side Expansion
Event summary
- Media Consulting Group (MCG) appointed Donnie Williams as Chief Strategy Officer on June 4, 2026.
- Williams previously served as Chief Digital Officer at Lamark Media and Horizon Media.
- MCG focuses on buy-side supply decisioning for agencies and brands, operating upstream of DSPs and SSPs.
- The firm partners with major holding companies including WPP and dentsu across multiple verticals.
The big picture
MCG's appointment of Williams underscores the growing importance of specialized buy-side consulting in programmatic media. As agencies seek greater control over supply chains, independent players like MCG are positioning themselves as critical intermediaries. The firm's revenue model, tied directly to measurable value creation for clients, highlights the shifting dynamics in media activation where performance-based partnerships are gaining traction over traditional agency structures.
What we're watching
- Strategic Differentiation
- How MCG's buy-side alignment and independent positioning will compete against integrated agency offerings.
- Market Expansion
- The pace at which MCG can scale its footprint beyond the U.S. into global markets.
- Technology Integration
- Whether MCG's combination of human strategy and agentic execution can maintain competitive advantage as AI capabilities evolve.