Leadership Transition at Chpter: Tesh Mbaabu and Mesongo Sibuti Step Down, Mark Kiarie Returns as CEO

In a significant shift for Kenya’s fast-growing social commerce startup Chpter, co-founders Tesh Mbaabu and Mesongo Sibuti have officially stepped away from day-to-day operations as of September 15, 2025. The announcement was made via an internal email circulated to Chpter’s team and investors, marking a pivotal moment in the company’s leadership journey. The transition sees … Continue reading Leadership Transition at Chpter: Tesh Mbaabu and Mesongo Sibuti Step Down, Mark Kiarie Returns as CEO