British American Tobacco (BAT) announced the promotion of Mike Nightingale to chief sustainability officer, effective Sept. 1.

Nightingale, who has served as head of investor relations for a decade, will lead sustainability and environmental, social, and governance (ESG) efforts going forward.

He will report to Kingsley Wheaton, chief growth officer and former chief marketing officer for corporate affairs. 

Prior to BAT, Nightingale held senior leadership positions in sustainability, regulation, and marketing.