Singapore Telecommunications Limited is a communications company. The Company is engaged in the operation and provision of telecommunications systems and services, and investment holding. In addition, it offers Internet services and also holds frequency spectrum and license rights to install, operate and maintain mobile communication systems and services, including wireless broadband systems and services. It operates in three segments: Group Consumer, Group Enterprise and Group Digital Life. The Group Consumer segment comprises the consumer businesses across Singapore and Australia, as well as the Company's investments in Thailand, India, Africa, South Asia, Philippines and Indonesia. The Group Enterprise segment comprises the business groups across Singapore, Australia, the United States, Europe and the region. The Group Digital Life segment focuses on using the Internet technologies and assets of the Company's operating companies by entering adjacent businesses.

Telecommunications

Singtel

Ms Yong Ying-I, 59, is the Chairman of the Central Provident Fund Board and Senior Adviser, Ministry of Communications and Information.

Ying-I was the Permanent Secretary (Communications and Information) and Permanent Secretary (Cybersecurity) prior to her retirement on 1 April 2022.  She started her public service career in 1985 and served in various appointments across several Ministries. Over a span of 36 years, Ying-I held several leadership positions within the Singapore Public Service, including permanent secretary appointments at the Ministry of Manpower, the Ministry of Health, the Public Service Division under Prime Minister’s Office, and National Research Foundation.

Ying-I holds a Master of Economics from the University of Cambridge and a Master of Business Administration from Harvard Graduate School of Business. She was awarded the Public Administration Medal (Silver) in 1997 and the Public Administration Medal (Gold) in 2005.

Yong Ying-I

Mr Arthur Lang, 48, was appointed Group Chief Financial Officer on 1 April 2021. His role includes the management of the International Group, which oversees the Group’s regional associates and its portfolio of strategic telecom investments. He also spearheads [Singtel](/org/singapore-telecommunications-ltd)’s digital bank joint venture with Grab.

Arthur joined [Singtel](/org/singapore-telecommunications-ltd) in January 2017 as CEO, International. Before joining [Singtel](/org/singapore-telecommunications-ltd), he was Group CFO of CapitaLand, where he also ran CapitaLand’s real estate investment management business. Prior to CapitaLand, Arthur was at [Morgan Stanley](/org/morgan-stanley) where he was Co-head of the Southeast Asia investment banking division and Chief Operating Officer of the Asia Pacific investment banking division.

Arthur was named Chairman of the [National Kidney Foundation](/org/national-kidney-foundation) in November 2020. He is also a board member of [Bharti Airtel](/org/bharti-airtel), [Globe Telecom](/org/globe-telecom), Intouch Holdings, the Straits Times School Pocket Money Fund and sits on the Advisory Board of the Lee Kong Chian School of Business, [Singapore Management University](/org/singapore-management-university). In 2018, Arthur was awarded the Public Service Medal for his contributions.

Arthur has an MBA from the [Harvard Business School](/org/harvard-business-school) and a BA in Economics (magna cum laude) from [Harvard University](/org/harvard).



Arthur Lang

Mr Mark Chong, 56, was appointed Group Chief Technology Officer on 1 April 2017. He leads the Group’s technology strategy and innovations in the transformation of its networks and businesses across Singapore and Australia. Prior to his appointment, Mark was CEO, International from January 2013 to March 2017.

Mark joined [Singtel](/org/singapore-telecommunications-ltd) in 1997 and has held various executive positions in the company including the roles of Executive Vice President of Networks in Singapore and Chief Operating Officer of AIS, [Singtel](/org/singapore-telecommunications-ltd)’s associate in Thailand.

Mark has represented [Singtel](/org/singapore-telecommunications-ltd) on the boards of public listed companies such as [Globe Telecom](/org/globe-telecom), Bharti Infratel, CS Loxinfo and other non-listed companies such as OpenNet. He is currently Chairman of Bridge Mobile Alliance and an Authority member of the Civil Aviation Authority of Singapore.

Mark graduated with a Bachelor of Electronics Engineering and Master in Research in Electronic Systems from ENSERG, Grenoble, France, on a Singapore Government scholarship and obtained his MBA from the [National University of Singapore](/org/national-university-of-singapore). He is a Fellow with the Singapore Computer Society.

Mark Chong

Mr Bill Chang was appointed CEO, Group Enterprise on 16 July 2012. He leads the infocomm and technology team, providing solutions to enterprise customers. Bill assumed the additional role of CEO of [Singtel](/org/singapore-telecommunications-ltd)’s new regional data centre business on in July 2022.

Bill joined [Singtel](/org/singapore-telecommunications-ltd) in November 2005 as Executive Vice President of Corporate Business and subsequently as Managing Director, Business Group.

Bill is the Chairman of the [Singapore Institute of Technology](/org/singapore-institute-of-technology)’s Board of Trustees and a board member of the Urban Redevelopment Authority of Singapore. He is also a member of the Australian Institute of Company Directors’ International Advisory Technology Governance and Innovations Panel. He co-chaired the Future Jobs and Skills Sub-committee of the Committee on the Future Economy of Singapore from 2016 to 2017.

For his contributions to Singapore, Bill was awarded the Public Service Star in 2017 and the Public Service Medal in 2007. He also received the Singapore Computer Society’s IT Leader of the Year award in 2017 and the honorary Fellow of the Society in 2014.

Bill graduated with a Bachelor of Engineering (Honours) in Electrical and Computer Systems Engineering from [Monash University](/org/monash-university), Australia and attended the [Harvard Business School](/org/harvard-business-school)’s Advanced Management Program.

Bill Chang

Ms Aileen Tan, Group Chief People and Sustainability Officer, is responsible for [Singtel](/org/singapore-telecommunications-ltd) Group’s overall strategic people and sustainability agenda. She has over 30 years of experience in various leadership roles spanning multiple industries and geographies.

Aileen joined [Singtel](/org/singapore-telecommunications-ltd) in 2008 and under her leadership, [Singtel](/org/singapore-telecommunications-ltd) has won numerous accolades for its leading people and sustainability practices.

She co-chairs the [Ministry of Manpower](/org/ministry-of-manpower)’s (MOM) HR Industry Transformation Advisory Panel. She is a member of the Institute for Human Resource Professionals (IHRP) Board, Singapore University of Social Sciences Board of Trustees, Health Sciences Authority Board, Institute for Adult Learning Council, [Ministry of Finance](/org/ministry-of-finance)’s VITAL’s Advisory Panel and MOM’s Workplace Safety & Health Council in Singapore.

Aileen holds a Bachelor of Arts from the [National University of Singapore](/org/national-university-of-singapore) and a Master of Science in Organisational Behaviour from the California School of Professional Psychology, Alliant International University, USA. She is a pioneer IHRP Master Professional, for being a role model for the HR profession. Aileen received the Medal of Commendation at the NTUC May Day Awards and the Public Service Medal for her significant contributions to Singapore’s workforce and human resources sector.

Aileen Tan

Mr Yuen Kuan Moon, 54, was appointed Group CEO on 1 January 2021. He directs [Singtel](/org/singapore-telecommunications-ltd) Group’s global strategy and oversees its consumer, enterprise and digital businesses.

Moon joined [Singtel](/org/singapore-telecommunications-ltd) in 1993 and held several leadership roles in Marketing, Business Development and Sales. His most recent appointment was CEO, Consumer Singapore from June 2012 to December 2020. In this role, he led the Singapore consumer business to deliver an integrated suite of mobile, broadband and TV services. He was also responsible for driving the Group's overall digital transformation as Group Chief Digital Officer from August 2018 to December 2020.

Moon sits on the boards of key subsidiaries of the [Singtel](/org/singapore-telecommunications-ltd) Group and since 2009, serves on the Board of Commissioners in Telkomsel. He is a board member of [GSMA](/org/gsma), SkillsFuture Singapore and [Singapore Institute of Management](/org/i-love-sim). He is also a member of Singapore’s Ministry of Communications and Information’s Digital Readiness Council.

Moon holds a First Class Honours degree in Engineering from the University of Western Australia and a Master of Science in Management from [Stanford University](/org/stanford).



Yuen Kuan Moon

Tricia Lim

Jessie Ng

Dr Anna Yip, 51, was appointed CEO, Consumer Singapore on 1 April 2021. She leads the consumer business in Singapore and is positioning it to become a leading digital services provider as 5G goes mainstream. She joined [Singtel](/org/singapore-telecommunications-ltd) as Deputy CEO, Consumer Singapore on 7 December 2020.    

Before joining [Singtel](/org/singapore-telecommunications-ltd), Anna was the Chief Executive Officer and Executive Director of Smartone Telecommunications, driving its operations in Hong Kong and Macau since 2016. Under her leadership, Smartone was named Best Mobile Carrier by the Communication Association of Hong Kong in 2019.

Prior to Smartone, Anna headed up [Mastercard](/org/mastercard)'s operations in Hong Kong and Macau. She was previously a partner with [McKinsey & Company](/org/mckinsey-company) in Greater China where she led both the Financial Institutional Group and payments practice.

Anna is an independent non-executive Director of BUPA (Asia) Limited and a Court member of the Open University of Hong Kong.

Anna holds a Doctor of Philosophy and Master of Philosophy in Management Studies from Oxford University and a First Class Honours degree in Business Administration from the Chinese University of Hong Kong.

Anna Yip

Rajeev Suri is a non-executive board member of Stryker Corporation, Senior Advisor to [Warburg Pincus](/org/warburg-pincus), Operating Advisor to Apollo Global Management, Advisor to Evli Growth Partners and Advisory Board Member of [Aalto University](/org/aalto-university)’s School of Business.

Rajeev was President and CEO of Nokia for 6 years till July 2020, and prior, CEO of Nokia Siemens Networks for 5 years.

Rajeev was a Commissioner of the United Nations Broadband Commission, Co-Chair of the digitalisation task force for the B20 and member of several digital and healthcare committees at the [World Economic Forum](/org/world-economic-forum).

Rajeev was a member of the Chinese Premier’s Global CEO Council from 2014 to 2020, a recipient of China’s Marco Polo award, the highest honour an international business person can receive from the Chinese government.

Rajeev holds a Bachelor of Engineering (Electronics and Communications) from Manipal Institute of Technology. Rajeev has been awarded an Honorary Doctorate by Manipal University.


Rajeev Suri

Mr Lim Swee Say is a trustee and Adviser of the National Trades Union Congress (NTUC), the Chairman of NTUC-Administration & Research Unit Board of Trustees, an Adviser to NTUC Enterprise Co-operative Ltd and the Deputy Chairman of Singapore Labour Foundation.

Swee Say joined the public sector in 1976. Before entering politics, he held leadership positions in Singapore’s National Computer Board and the Economic Development Board.  He joined the Labour Movement in 1996 and entered politics in 1997 to serve in various capacities including Minister of State for Trade and Industry, Minister of State for Communication and Information Technology, Minister for Environment, Second Minister for National Development and Minister in the Prime Minister’s Office. He also served as the Secretary General of NTUC from 2007 to 2015 and was appointed Minister for Manpower in 2015. He stepped down from the Cabinet in 2018 and retired from politics in 2020.

Swee Say holds a First Class Honours degree in Electronics, Computer and Systems Engineering from [Loughborough University](/org/loughborough-university) and a Master degree in Management from [Stanford University](/org/stanford).

Lim Swee Say

Ms Kelly Bayer Rosmarin, 45, was appointed CEO of [Optus](/org/singtel-optus-pty-limited) on 1 April 2020. Kelly joined [Optus](/org/singtel-optus-pty-limited) in March 2019, serving as Deputy CEO.

Prior to joining [Optus](/org/singtel-optus-pty-limited), Kelly held a variety of executive roles at the [Commonwealth Bank of Australia](/org/commonwealth-bank-of-australia), including Group Executive, Institutional Banking and Markets. She has also worked at Boston Consulting Group and Silicon Valley tech and start-up companies.

Kelly is currently a non-Executive Director of Airtel Africa plc, and [REA Group](/org/rea-group) and a member of Chief Executive Women. Kelly was previously a board member of [Openpay](/org/openpay), JCA, Football Australia and has served on the University of New South Wales Engineering Faculty Advisory Board, the Australian Government’s FinTech Advisory Group and NSW Government Digital Advisory Panel.

Kelly obtained a Bachelor of Science in Industrial Engineering and a Master of Science in Management Science from [Stanford University](/org/stanford). She is a Fellow of Australian Academy of Technology and Engineering (ATSE).

Kelly Bayer Rosmarin

Mr Lee Theng Kiat, 67, is the Executive Director of [Temasek](/org/temasek) Holdings (Private) Limited and the Chairman of [Temasek](/org/temasek) International Pte. Ltd. (collectively [Temasek](/org/temasek)). 

Before joining [Temasek](/org/temasek), Theng Kiat was the President and Chief Executive Officer of Singapore Technologies Telemedia Pte Ltd and STT Communications Ltd.  Prior to that, he held several senior level positions in the Singapore Technologies Group.  Theng Kiat served in the Singapore Legal Service for over eight years before joining the Singapore Technologies Group. 
Theng Kiat holds a Bachelor of Laws (Honours) from the [National University of Singapore](/org/national-university-of-singapore).  

Lee Theng Kiat

Mr John Arthur joined the board of Sydney Metro in January 2019 and became its Chairman in July 2019. He has also been a member of the Optus Advisory Committee since July 2019.

John is a lawyer by training, with experience as advisor, executive and director across a broad range of industries. He was a partner of the law firm, Freehills, Group General Counsel of Lend Lease Corporation, Chairman of the law firm, Gilbert + Tobin, Chairman and CEO of Investa Property Group, Group Executive Counsel & Secretariat and then Chief Operating Officer of Westpac Banking Corporation, before retiring in late 2016. He was a Consultant to the Chief Executive of Westpac until late 2020. He is also a former board member of CSR Limited, Rinker Group Limited, Allianz Australia and ME Bank.

John holds a Bachelor of Laws (Honours) from University of Sydney.

John Arthur

Ms Yong Hsin Yue is the Managing Director of Kuok (Singapore) Limited (KSL), a member of the Kuok Group. Prior to joining KSL, Ms Yong was the General Manager of Special Projects focusing on business development for Wilmar International Limited. Ms Yong started her career in investment banking where she spent 19 years working at Goldman Sachs in Singapore and in London and her last role was as head of the Investment Banking Division for South East Asia.

Hsin Yue also sits on the board of 65 Equity Holdings Pte Ltd, and is a council member of the Singapore Business Federation.

Hsin Yue holds an MA in Politics, Philosophy and Economics from Worcester College, Oxford, and an MBA from INSEAD.

Yong Hsin Yue

Gautam Banerjee

Mr Wee Siew Kim, 60, is the Group Chief Executive Officer of Nipsea Management Co Pte Ltd (Nipsea Group) and the Deputy President and Executive Corporate Officer of Nippon Paint Holdings Co. He is also the Deputy Board Chairman of Jurong Port Pte Ltd and a Director of Mapletree Logistics Trust Management Ltd and SIA Engineering Company Limited. He was the Chairman of ES Group (Holdings) Limited and a Director of SBS Transit Ltd.

 

Before joining Nipsea Group, Siew Kim was the Deputy CEO and President (Defence Business) of Singapore Technologies Engineering Ltd.

 

Siew Kim holds a Bachelor of Science (Aeronautical Engineering) (First Class Honours) from the Imperial College of Science, Technology and Medicine and a Master of Business Administration from the Graduate School of Business, Stanford University. He is a Fellow of the City and Guilds Institute.

Wee Siew Kim

Bradley Horowitz

Mr William Woo, 56, was appointed Group Chief Information Officer on 1 August 2017. He also assumed the role of Group Chief Digital Officer from 1 January 2021.

William joined [Singtel](/org/singapore-telecommunications-ltd) in May 2011 and held several leadership roles including Managing Director of Enterprise Data and Managed Services and Managing Director of Cyber Security at Group Enterprise. Prior to joining [Singtel](/org/singapore-telecommunications-ltd), William was Managing Director for the Southeast Asia region for Xchanging. He was also with EDS for 20 years and was in various senior management roles including Managing Director of Southeast Asia & India and Vice President, Global Service Delivery of Asia, responsible for leading the Information Technology Outsourcing, Business Process Outsourcing and Applications service delivery across the Asia region. He started his career with the National Computer Board.

William graduated with a Bachelor of Applied Science in Computing (Distinction) from the Queensland University of Technology, Australia, and holds an Executive MBA from the [National University of Singapore](/org/national-university-of-singapore).

William Woo

Ng Kuo Pin

Ms Lim Cheng Cheng, 48, was appointed Group Chief Corporate Officer on 1 April 2021. She is responsible for the Group’s corporate functions including finance shared services and transformation office, group property, legal, mergers and acquisitions, procurement, and risk management.

Cheng Cheng joined [Singtel](/org/singapore-telecommunications-ltd) in 2012 as Vice President, Group Strategic Investment and was appointed Deputy Group Chief Finance Officer in October 2014 and Group Chief Financial Officer in April 2015.

Before joining [Singtel](/org/singapore-telecommunications-ltd), Cheng Cheng was Executive Vice President and Chief Financial Officer at SMRT Corporation. She also worked at Singapore Power for 10 years in various corporate planning, investments and finance roles, the last being Head and Vice President (Financial Planning and Analysis).

Cheng Cheng is a non-executive, non-independent Director at SingPost and is the winner of the Best CFO (Big Cap) title at the 2018 Singapore Corporate Awards.

Cheng Cheng holds an MBA from the University of Chicago Booth School of Business and a Bachelor of Accountancy from the Nanyang Technological University. She is a Chartered Accountant (Singapore) of the Institute of Singapore Chartered Accountants.

Singtel

Org chart

Teams

Board of Directors

CEO and Executive Team

Leadership Team

Discover similar companies