Clair Heaviside
Clair Heaviside
Chief Creative Officer
Clair Heaviside is Chief Creative Officer at Embryo, one of the industry’s leading independent agencies, where she’s responsible for strengthening and expanding the agency’s creative and brand offering. She joined Embryo in 2026 following its acquisition of Serotonin, the award-winning creative and digital agency she co-founded in 2019. The move brought together Embryo’s performance expertise with creative and strategy, giving the agency a genuine end-to-end offering, from positioning and brand narrative through to performance delivery. Clair is passionate about empowering others, advocating for authentic leadership, and building an endurance mindset, brick by brick.