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Group Executive Committee

The Group Executive Committee is led by Jason Millett. The committee is tasked with championing and delivering the Mace Group strategy, and overseeing and delivering performance across the Engines and Group Partners. Our Engine Boards, Steercos and other forums report through the Group Executive Committee into the Group Board.

Corporate headshot of Jason Millett 2025

Jason Millett

Group Chief Executive

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David Allen

Chief Financial Officer

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Davendra Dabasia

CEO of Consult

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Amanda Baldwin

Chief People Officer

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Portrait of Mandy Willis

Mandy Willis

Group Director for Corporate Strategy

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Portrait of Stephen Jeffery

Stephen Jeffery

Group CTO and COO for Construct

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Portrait of Michelle Barkess

Michelle Barkess

Chief Information Officer

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Portrait of Lee Penlington

Lee Penlington

Group Commercial Director

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