Charting Singtel Group Enterprise’s new growth engines, Dennis leads the strategy, development and the management of product and platform for 5G and Cloud. Prior to Singtel, Dennis was the Managing Director of Networks and Chief Technology Officer for Optus, a fully Singtel-owned subsidiary in Australia. Under his leadership, Dennis led numerous pivotal projects and launched several world-first initiatives in 4G and 5G technologies, bringing about Optus as one of the top quartile performers in the industry. Dennis received a double MBA from Management of Technology from Waseda University (Japan) and Nanyang Business School (NBS-NTU). He also holds a B.Eng (EEE) from Nanyang Technological University (NTU).