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E03 · SEASON 1The sustainability function49 min · 4 March 2026

The One With… the ex-Heads of Sustainability. On burnout, role evolution, and going fractional

With Robbie Epsom & Emily Hamilton, Ex-CBRE Investment Management · Ex-Savills Investment Management.

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About this episode

In this candid episode of The Future We Build, Alex brings together two former heads of sustainability—Robbie Epsom (ex-CBRE Investment Management) and Emily Hamilton (ex-Savills Investment Management)—for what Alex calls "a therapy session." The three discuss why so many senior sustainability leaders have left their roles, what's changed in the market, and where they're channelling their energy next. This is an unusually honest conversation about burnout, the shift from strategic thinking to operational execution, and why the fractional model might be the future of sustainability leadership in real estate.

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