Chua Sock Koong
Group Chief Executive Officer
Chief Executive Officer, Group Enterprise / Country Chief Officer, Singapore
Group Chief Technology Officer
Chief Executive Officer, International
Chief Executive Officer, Consumer Australia Chief Executive Officer, Optus
Lim Cheng Cheng
Group Chief Financial Officer
Group Chief Corporate Officer
Chief Executive Officer, Group Digital Life
Group Chief Human Resources Officer
Wu Choy Peng
Group Chief Information Officer
Yuen Kuan Moon
Chief Executive Officer, Consumer Singapore
Chua Sock Koong
Ms Chua Sock Koong, 58, was appointed Group CEO on 1 April 2007. She has overall responsibility for the Group’s businesses.
Sock Koong joined Singtel in June 1989 as Treasurer before becoming CFO in April 1999. She held the positions of Group CFO and CEO, International from February 2006 to 12 October 2006, when she was appointed Deputy Group CEO.
Sock Koong sits on the boards of Bharti Airtel Limited, Bharti Telecom Limited and key subsidiaries of the Singtel Group. She is also a member of the Singapore Management University Board of Trustees and the Public Service Commission.
Sock Koong holds a Bachelor of Accountancy (First Class Honours) from the University of Singapore. She is a Fellow Member of the Institute of Singapore Chartered Accountants and a CFA charterholder.
Mr Bill Chang, 49, was appointed Chief Executive Officer, Group Enterprise on 16 July 2012. He leads the team that provides infocomm and technology (ICT) solutions to enterprise customers. He also assumed the role of Country Chief Officer Singapore on 1 October 2014, and is the principal liaison with local and regulatory bodies.
Bill joined Singtel on 15 November 2005 as Executive Vice President of Corporate Business and later assumed the role of Managing Director, Business Group.
Bill is the Chairman of the Singapore Polytechnic Board of Governors and a Board member of Singapore Post serving in their Compensation and Risk & Technology Committees. He also co-chairs the Future Jobs and Skills sub-committee of the Committee on the Future Economy (CFE) of Singapore. In 2014, he was conferred the honorary Fellow of the Singapore Computer Society.
Bill graduated with a Bachelor of Engineering (Honours) in Electrical and Computer Systems Engineering from Monash University, Australia.
Mr Mark Chong, 53, was appointed Group Chief Technology Officer (GTO) on April 1, 2017 to lead Group Technology strategy and innovations across the Group.
Mark joined Singtel in 1997 and has held various key leadership appointments, notably EVP Networks in Singapore and COO of AIS in Thailand. Mark was CEO International prior to assuming the GCTO appointment.
Mark has represented Singtel on the Boards of Globe Telecom, Bharti Infratel, CSLox(Thailand), OpenNet and other submarine cable joint venture companies. He is the current Chairman of the Bridge Alliance.
Mark graduated with a Bachelor of Electronics Engineering and Master in Research in Electronic Systems from ENSERG, Grenoble, France, on a Singapore Government scholarship. He also obtained his Master of Business Administration from the National University of Singapore, and is a senior fellow with the Singapore Computer Society.
Mr Arthur Lang, 45, is Chief Executive Officer, International. He is responsible for the growth of the Group’s regional associates across India, Indonesia, the Philippines and Thailand.
Prior to joining Singtel on Jan 9, 2017, Arthur was the Group CFO of CapitaLand Limited and directly oversaw the functions of treasury, financial reporting and controls, risk management, strategic projects, tax, investor relations, private equity fund management and looked after the administrative matters of the internal audit department of CapitaLand. As Group CFO of CapitaLand, Arthur received the Best CFO of the Year Award for listed companies with market capitalisation of S$1 billion and above at the Singapore Corporate Awards 2015. Prior to CapitaLand, Arthur was at Morgan Stanley where he was co-head of the Southeast Asia investment banking division and COO of the Asia Pacific investment banking division.
Arthur is also a board member of the Land Transport Authority of Singapore, the National Kidney Foundation and the Advisory Board of the Lee Kong Chian School of Business, Singapore Management University.
Arthur has a Master of Business Administration from the Harvard Business School and a BA in Economics (magna cum laude) from Harvard University.
Mr Allen Lew, 61, was appointed Chief Executive Officer, Consumer Australia and Chief Executive Officer, Optus on 1 October 2014.
Prior to that, Allen was CEO, Group Digital Life and also Country Chief Officer Singapore.
Allen began his career with Singtel on 7 November 1980 and has served in various senior management roles both in Singapore and overseas. His first overseas posting was to Advanced Info Service Public Company Limited (AIS), Singtel’s regional mobile associate. He was the Chief Operating Officer of AIS for three years before his posting to Optus in late 2001, as Managing Director of Optus Mobile and later as Managing Director of Optus Consumer Business. He returned to Singapore as CEO Singapore in 2006.
Allen is the Chairman of the AIS Executive Committee.
He holds a Bachelor of Electrical Engineering from the University of Western Australia under a Colombo Plan Scholarship and a Master of Science (Management) from the Massachusetts Institute of Technology, US.
Lim Cheng Cheng
Ms Lim Cheng Cheng, 44, is Group Chief Financial Officer. She assumed this role on 10 April 2015 and is responsible for the Singtel Group’s finance-related functions including tax, treasury and investor relations.
Cheng Cheng has over 23 years of experience in finance and mergers and acquisitions. She joined Singtel in 2012 as Vice President, Group Strategic Investment and was appointed Deputy GCFO on 1 October 2014. Prior to that, she was Managing Director, Group Strategic Investments.
Before joining Singtel, Cheng Cheng was Executive Vice President and CFO at SMRT Corporation. She also worked at Singapore Power for 10 years in various corporate planning, investments and finance roles, the last of which was Head and Vice President (Financial Planning and Analysis). She started her career with PricewaterhouseCoopers.
Cheng Cheng holds a Master of Business Administration from the University of Chicago Booth School of Business (formerly known as University of Chicago Graduate School of Business) and a Bachelor of Accountancy from Nanyang Technological University. She is a Chartered Accountant (Singapore) of the Institute of Singapore Chartered Accountants.
Ms Jeann Low, 55, was appointed Group Chief Corporate Officer on 10 April 2015. She is responsible for the Group’s corporate functions including strategy, mergers and acquisitions, corporate communications, legal, regulatory and procurement.
Prior to this role, she was Group Chief Financial Officer for seven years.
Jeann joined Singtel on 12 October 1998 as Group Financial Controller and has held several management roles including Executive Vice President of Strategic Investments and CFO of Optus.
Jeann is a member of the Governing Board of the Lee Kong Chian School of Medicine. She is also a Director of Advanced Info Service Public Company Limited and was a Council Member of the Institute of Singapore Chartered Accountants from April 2010 to April 2014.
Jeann holds an Honours Degree in Accountancy from the National University of Singapore and is a Chartered Accountant of Singapore.
Samba, 51, is Chief Executive Officer, Group Digital Life. He joined Singtel in May 2014 as Managing Director of Digital Enterprise leading a team focused on identifying and executing on growth opportunities from emerging technology trends.
Samba has more than 25 years of corporate and consulting experience across a wide range of senior roles in the areas of strategy, business development and finance. He worked for Citibank from 1988 to 1997 and for McKinsey & Company since 1999. In his last role with McKinsey, he was the Leader of Southeast Asia Technology, Media & Telecommunications (TMT) practice, consulting with C-level executives in several leading organisations, including Singtel, in the areas of growth, transformation, corporate finance and mergers and acquisitions, and commercial operations.
Samba serves on the Board of Directors of Globe Telecom in the Philippines. He is also a member of the Board of the Singapore American School.
Samba holds a Bachelor of Engineering degree in Electrical Engineering with distinction from the Birla Institute of Technology and Science in Pilani, India; a Post Graduate Diploma in Management from the Indian Institute of Management in Ahmedabad, India where he was an industrial scholar and an MBA from the Wharton School, University of Pennsylvania, USA where he was a Ford Fellow and a Palmer Scholar.
Ms Aileen Tan, 49, is Group Chief Human Resources Officer responsible for the development of human resources across the Singtel Group, and also leads its corporate sustainability function.
Aileen joined Singtel on 2 June 2008 as Group Director, Human Resources. Prior to that, she was Group General Manager, Human Resources at WBL Corporation Limited and Vice President, Centres of Excellence with Abacus International Pte Ltd.
Aileen is the Chairperson of the Workforce Singapore’s National HR Professional Certification Taskforce and co-chairs the Ministry of Manpower’s HR Sectoral Tripartite Committee. She is also a member of the Home Nursing Foundation Board and the Media Literacy Council.
Aileen graduated with a Bachelor of Arts from the National University of Singapore. She also holds a Master of Science in Organisational Behaviour from the California School of Professional Psychology, Alliant International University, US.
Wu Choy Peng
Ms Wu Choy Peng, 51, joined Singtel as Group Chief Information Officer on 6 August 2012. She is responsible for driving the Group’s IT vision and roadmap to establish excellence in technology management.
Prior to joining Singtel, Choy Peng was Group CIO of Neptune Orient Lines Group and Chief Information Officer of the Singapore Government.
Choy Peng is the Deputy Chairman of IDA International Pte Ltd, a wholly owned subsidiary of the Infocomm Development Authority of Singapore. She is also a member of the National University Health System (NUHS) Board and the Chairperson of the NUHS Information Technology (IT) Committee.
Choy Peng holds a Bachelor of Science (Honours with Highest Distinction) in Computer/Communication Science and Mathematics, and a Master of Science in Computer Science/Engineering, both from the University of Michigan, US.
Yuen Kuan Moon
Mr Yuen Kuan Moon, 49, was appointed Chief Executive Officer, Consumer Singapore on 1 June 2012. He is responsible for leading the Singapore consumer business to deliver a complete and integrated suite of services, including mobile, broadband and TV solutions to consumers.
Moon began his career with Singtel on 1 February 1993 and has over 20 years of experience in the consumer business, including Marketing, Business Development, Retail and Channel Sales. He has held several leadership roles, including Vice President of Regional Operations and Executive Vice President of Digital Consumer.
Earlier in his career, Moon was posted to PT Telekomunikasi Selular (Telkomsel), Singtel’s regional mobile associate, as General Manager for Product Development in 2003 and was appointed Director of Commerce from 2005 to 2007. He has served on the Board of Commissioners in Telkomsel since 2009.
Moon graduated with a First Class Honours degree in Engineering from the University of Western Australia. He also holds a Master of Science in Management from Stanford University, US.