Costin Mihaila appointed Global Chief Market Officer at Mediaplus Group
28 May 2026Mediaplus Group has appointed Costin Mihaila to the newly created position of Global Chief Market Officer. In his new role, which he assumed in mid-April 2026, Mihaila will be responsible for strengthening the group’s global footprint, driving cross-market collaboration, and ensuring consistency in consulting, products, and client service at an international level.
MediaPlus Warsaw, a media agency belonging to Group One, will collaborate with Costin Mihaila on projects executed for global brands across several to a dozen markets simultaneously. He is set to support a better exchange of competencies between markets, standardise service quality, and leverage the local expertise of the independent agencies forming the Mediaplus Group more effectively.
Costin Mihaila brings many years of experience in scaling international agency and network structures. Before joining Mediaplus Group, he held executive roles at EssenceMediacom and WPP, including Global Client President and Managing Director EMEA at EssenceMediacom. In his newly created role, Costin Mihaila reports directly to Matthias Brüll, Global CEO of Mediaplus Group. In Poland, cross-market collaboration and development are led by Bartłomiej Kamiński, Head of International and Managing Partner of Mediaplus within the Group One structure.
The creation of the Global Chief Market Officer role is another step toward strengthening the group’s international operating model and further developing its offices worldwide. Costin Mihaila’s appointment aligns with the strategy of combining international capabilities with local expertise. The new function is designed to support both the group’s expansion into new markets and deeper collaboration with clients operating in a multi-market model.
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