WPP acquires InfoSum to drive AI-based data offer April 4, 2025 by Projesh Kar Brian Lesser, currently global chief executive of Group M, joined from InfoSum in September 2024. Share this:FacebookXLike this:Like Loading... Related Share this content: Projesh Kar I am a passionate blogger with extensive experience in web design. As a seasoned YouTube SEO expert, I have helped numerous creators optimize their content for maximum visibility. Contact