Derrick Heng was appointed as Chief Marketing Officer in November 2021. With a professional career of over 20 years, he has extensive experience in strategy, digital, marketing, and sales, especially for the telecommunications and technology industry sectors. Prior to his post as Chief Marketing Officer, Derrick held various strategic positions with Singtel Group; his first 15 years with Consumer Singapore in Marketing delivered key milestones, such as accelerating segment market share and driving brand leadership. Subsequently, in the later 9 years, he took on regional assignments in Telkomsel and Globe Telecom Philippines. In his last role in Globe, he led the pivot to digital solutions play beyond core connectivity for the Small & Medium Business Group, spearheaded Education and Tourism ecosystem initiatives, and garnered many awards and digital project wins. 

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Telkomsel is the largest mobile service provider in Indonesia. Serving 160 million customers across the archipelago, Telkomsel offers various mobile services, including cellular phones, SMS, and the internet. In 2023, Telkomsel successfully completed its integration with IndiHome, achieving FMC and ensuring seamless customer communication across various devices and locations. Telkomsel is now the largest convergence operator at the national level.