Kate Mackie
Global Marketing Lead & Partner, EY
Kate is a partner at EY where she leads the global marketing team – a core pillar integral to the Global Brand, Marketing and Communications function. She is focused on connecting marketing to revenue to drive measurable market impact from initiatives delivered and underpinned by human-centric insights powered by marketing technologies. She leads a cross-border team of c.175 overseeing the budget and strategy for cross-firm programs and has responsibility for the management and development of the global MarTech stack.
Kate is a versatile board-level marketer with 20+ years’ experience working across B2B and B2C delivering proven commercial results that drive both brand and revenue growth. A Fellow of both the CIM and The Marketing Society, and an alumnus of the Institute for Real Growth, she serves as a guest lecturer at Cambridge Judge Business School and regularly participates in panels that select the best brands, award agency accolades, ensuring that B2B marketing excellence is well represented. Her passion lies in transforming the narrative around B2B marketing and driving a humanized approach to growth. She is the author of B2B Marketing Fundamentals: Drive Impact Across Brand, Reputation, Relationships, and Revenue.

B2B Summit EMEA · October 6 – 8, 2025 · London & Digital
Have a question about an upcoming Forrester event? Contact us at events@forrester.com.