Gemma Brierley is Group Sustainability Director at Tesco plc

Gemma is an accomplished sustainability leader with a decade of executive experience at Tesco Plc, Danone S.A., Kingfisher Plc, and IKEA Southeast Asia. She brings deep expertise in climate strategy, nature-positive business, ethical trade, and human rights, combined with a strong record of driving corporate transformation.

Her career spans financial services, consumer goods, and retail, equipping her with broad business insight and a proven ability to embed sustainability into core strategy, operations, and culture. Gemma is passionate about helping organisations lead in the transition to a net-zero, resource-efficient and socially responsible economy.

A fellow of the Royal Society of Arts (RSA), she shares its vision of building resilient and regenerative futures and devotes her career to accelerating the shift towards a thriving green economy by combining corporate leadership with purposeful governance.