WPP Promoted Adam Gerhart to Global Executive Role
The marketing giant has appointed Adam Gerhart as global chief client officer to lead client growth and organizational strategy.
Updated on Oct. 14, 2026 in Advertising
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WPP has promoted Adam Gerhart to the position of global chief client officer, where he will report to chief operating officer Devika Bulchandani. Tamina Plum has been named as his successor to serve as the new chief client officer for WPP Media.
Why it matters
This executive transition aims to strengthen WPP's client relationships and identify new growth opportunities across global markets. The appointment is part of a broader leadership shuffle intended to streamline how the agency manages its diverse portfolio.
Adam Gerhart brings over 20 years of experience from his tenure at Mindshare to the WPP executive committee. He takes over the global chief client officer role from Jane Geraghty.
The players
Adam Gerhart
He is the newly appointed global chief client officer at WPP who previously held leadership roles within the agency's media division.
Tamina Plum
She has been appointed as the new chief client officer for WPP Media, succeeding Adam Gerhart in the role.
Devika Bulchandani
She serves as the chief operating officer at WPP and acts as the direct supervisor for Adam Gerhart.
Jane Geraghty
She previously served as the global chief client officer for WPP prior to the current leadership transition.
Tyler Turnbull
He is an executive who joined WPP in October 2026 to provide leadership oversight for the creative branch of the agency.
The details
In his new capacity, Gerhart will consult with clients on organizational development and target new growth audiences. Tamina Plum will now oversee the client officer function for WPP Media, continuing the operational shifts established following recent major account wins like DoorDash.
Timeline
Adam Gerhart began his career at Mindshare in 2003.
Gerhart held a brief professional role at Publicis in 2004.
Adam Gerhart was promoted to global chief client officer for WPP Media in January 2025.
WPP Media secured the global DoorDash account in 2026.
Tyler Turnbull joined the organization to oversee WPP Creative in October 2026.
Market Landscape
This leadership transition follows the pattern of executive changes set by the appointment of Tyler Turnbull to WPP Creative. It underscores the firm's ongoing effort to consolidate its management structure amidst a shifting global advertising market.
Clients of WPP may notice changes in how the agency approaches organizational consulting and audience development strategies. These leadership shifts are designed to improve service delivery and provide more tailored growth strategies for global accounts.
The takeaway
Large advertising holding companies often reorganize their leadership suites to better align with evolving client needs in international markets. Industry observers should monitor how these new executive remits influence long-term agency output and client retention.
Further reading
For more insights on the shifting agency landscape, visit the Advertising section.
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