Serah is a MarTech CEO with 20 years of experience in the advertising world. She spent 18 years at WPP, working in various disciplines, from Client Management to Strategy and finally to Management as the Sub Sahara Africa Managing Director for GroupM.

Serah is currently the CEO at Belva, an award-winning MarTech agency in Kenya; we are on a journey to elevate advertising in the digital era by elegantly combining culture, data, tech, and creativity. We aim to build future-ready brands in Africa.

She holds an MBA from Hult International Business School and a Certificate in Strategy and Innovation from Harvard Business School.

Milestones

- Managing Director, Mediacom East Africa

- Country Manager JWT Tanzania

- Head of Strategy and Media, McCann Eastern Africa

- Top 25 Women in Media In Kenya

- Top 25 CEOs driving transformation in Kenya

- WARC Jury 2025

- Loeries Jury President 2019

She is passionate about elevating and enabling the creative economy in Africa and opening doors for young creators and innovators to actualize their dreams.

Katusya is a board member of the PowerLearn Project, the Cherie Blair Foundation for Women, and the International School Of Advertising.