Our leadership

Bruno Lopez is President and Group Chief Executive Officer of ST Telemedia Global Data Centres (STT GDC). He has been responsible for the overall leadership, strategic direction, growth and development of the STT GDC group since its inception in 2014. He concurrently serves as Deputy Chief Executive Officer at ST Telemedia (STT). 

Under his leadership, STT GDC has become one of the fastest-growing data centre providers across Asia and Europe. The company has built a substantial portfolio of integrated data centres across a global platform, serving all the major cloud service providers and enterprises in Singapore, India, Thailand, South Korea, Indonesia, Japan, the Philippines, Malaysia and Vietnam; and through VIRTUS Data Centres in the UK, Germany and Italy.

Bruno oversees the strategic and operational priorities of these companies in various jurisdictions, serving our global customers. His leadership has been instrumental in steering the company to market leadership positions in key economies, establishing STT GDC as a prominent player in the global data centre industry.

An industry veteran with over 30 years of experience in the telecommunications and data centre industry, Bruno was recently awarded The Tech Capital’s 2024 Global Digital Infrastructure Leader Award recognising his dedication, expertise, and innovation in shaping the future of digital infrastructure and technology.

Bruno’s track record includes founding roles as the CEO and Executive Director of Keppel Data Centres where he played a key role in building up the company's growth and expansion across Asia and Europe. He also established the Securus Data Property Fund, an investment fund focused on data centre assets in the Asia-Pacific region, Europe, and the Middle East, which later merged with Keppel Data Centres' assets during the company's SGX REIT listing.

Bruno holds a Bachelor of Arts degree with Honours from the National University of Singapore and a Master’s degree from Rutgers University, USA. 

Mr Stephen Geoffrey Miller serves as Non-Executive Director on the Board of ST Telemedia Global Data Centres (STT GDC). He is also President & Group Chief Executive Officer of ST Telemedia and serves on its Board of Directors.

Stephen has over 35 years of experience in the communications, media and technology sectors, particularly in the areas of investment, international operations, financial management, business development and strategic planning. He has worked at ST Telemedia for close to 20 years in various senior positions including President & Chief Operating Officer, Chief Financial Officer, and consultant to its portfolio companies. Prior to ST Telemedia, he spent over 14 years of his career in investment banking with Credit Suisse, primarily heading its telecommunications and media group throughout Asia and the Pacific.

Stephen played a crucial role in steering ST Telemedia’s strategic direction into data centres and infrastructure technology since 2012 to capture new opportunities in the digital economy. Since assuming the role of President & Group CEO, he has led the continuous enhancement of ST Telemedia’s business capabilities and portfolio while instilling a shared culture to drive outcomes and strengthen resilience. Stephen is also a strong advocate of corporate sustainability. Under his leadership, ST Telemedia formalised its sustainability framework to align its operations and strategies with the United Nations Sustainable Development Goals. He currently holds leadership positions on a number of non-profit organisations’ sustainability bodies.

Stephen holds a Bachelor’s Degree in Commerce, with First Class Honours in Economics and Finance, from the University of New South Wales, Australia.

Mr Steven Terrell (Terry) Clontz serves as Non-Executive Director on the Board of ST Telemedia Global Data Centres (STT GDC). He is Senior Executive Vice President, International, at ST Telemedia. In this role, he is responsible for stewarding the company’s global investments.

Mr Clontz is a well-regarded veteran in the telecommunications and media industry with over 43 years of extensive experience. He was CEO of StarHub for 11 years before retiring on 1 January 2010. During his tenure at the helm of StarHub, Mr Clontz led the company in a number of major milestones including the transformation of StarHub from being Singapore’s third mobile player in 2000 to a fully-integrated “quad-play” service provider; merging StarHub with the then Singapore Cable Vision in 2002; bringing StarHub public in 2004 on the Main Board of the Singapore Exchange; and advancing StarHub’s market position to become Singapore’s second largest mobile operator in 2005.

Mr Clontz started his career in USA. He was President and CEO of IPC Information Systems based in New York, and served in various roles in BellSouth International, including President of BellSouth International (Asia-Pacific).

Mr Clontz holds a Bachelor of Science (Physics major) from the University of North Carolina, USA.