Callum Heckstall-Smith


Callum specializes in global communications with over a decade of experience across the public, private, and third sectors. Prior to joining Browning, Callum managed EMEA and global accounts at agencies including Edelman and FleishmanHillard, and most recently, led strategic-communications for international climate change initiatives, including the COP26 Presidency-backed Voluntary Carbon Markets Integrity Initiative. 

Callum received his Master of Public Administration, with a focus on climate change and development economics, from the London School of Economics and Political Science.

Callum is jointly responsible for the London office and leads Browning’s work on the carbon markets.

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