Hearts & Science

Tess LeGassick exemplifies the extraordinary potential of a media planner when driven by vision and determination spearheading ground-breaking initiatives that have transformed the agency’s planning capabilities and delivered exceptional results for clients.

The foundation of Tess's achievement was the establishment of the Connections Planning Department at Hearts, which she built from the ground up. Under her visionary leadership, the department defined by a forward-thinking approach, blending data-driven insights with creative planning to optimise media deployment and deliver measurable results. Tess’s dedication to innovation has positioned Hearts as a market leader in attention-led planning and she has imbedded diversity and inclusion into all of Hearts’ planning output. Tess has fostered a culture of growth and effectiveness within her own team. Beyond her core managerial responsibilities, she champions diversity and inclusion, mentors emerging talent, and contributes as a thought leader shaping the future of media planning.