Ms Kooi was appointed Chief Executive Officer of M1 and to M1's Board of Directors on 22 April 2009.

Ms Kooi joined M1 as Chief Financial Officer in August 1995 and was Acting Chief Executive Officer from 1 February 2009. She was a key member of the senior management team responsible for the planning, development and launch of M1's commercial operations. She has been closely involved in the strategic and financial management of the company for almost 14 years. Prior to joining M1, Ms Kooi held various senior financial positions with large public listed companies, including Singapore Press Holdings Limited and City Developments Limited. She has close to 30 years of experience in management and finance.

Ms Kooi is a Fellow of the Association of Chartered Certified Accountants (United Kingdom) and holds a Master of Business Administration degree in Investment and Finance (Distinction) from the University of Hull in the United Kingdom.

Mr Barlow was appointed to M1's Board of Directors on 22 May 2002. Mr Barlow is Chairman and founder of RJB Consultants Limited, a telecommunications consultancy company operating in Asia and based in Hong Kong .

Mr Barlow was formerly Director of Global Communications Services at PCCW Limited in Hong Kong. Other past appointments include posts in Reach Ltd in Hong Kong, Cable & Wireless plc in London and Vietnam (where he was Chief Executive Officer of Cable & Wireless Vietnam), and Hong Kong Telecom Limited. Mr Barlow was also a Director of Great Eastern Telecommunications Ltd and Compunet Corporation in Thailand, and an alternate Director of Reach Ltd and Hong Kong CSL Limited, a leading mobile operator in Hong Kong.

Dato' Sri Jamaludin Ibrahim was appointed to the M1 Board of Directors on 21 August 2008. He is the Managing Director/President and Group Chief Executive Officer of Axiata Group Berhad (Axiata).  He is also a Board Member of Axiata.

Prior to joining Axiata, Dato' Sri Jamaludin was with Maxis Communications Berhad, which he joined in 1997 and was appointed Chief Operating Officer in the same year, and Chief Executive Officer in 1998. In 2006, he was redesignated the Group Chief Executive Officer to reflect Maxis’ international footprint. He retired from Maxis in July 2007 but remained as a Board member till Feb 2008.

Before joining Maxis, he spent 16 years in the IT Industry.  He was Managing Director and CEO of Digital Equipment Malaysia (then the second largest IT company worldwide) from 1993 to 1997. Dato' Sri Jamaludin also spent 12 years in IBM (1981-93), the first five years as Systems Engineer and then in various positions in Sales, Marketing Support and Management.

Prior to IBM, he was a lecturer in Quantitative Methods at California State University, United States in 1980.

Dato' Sri Jamaludin graduated from California State University in 1978 with a B.Sc. in Business Administration and minor in Mathematics.  He obtained his MBA from Portland State University, Oregon in 1980.

He is also the Chairman of Celcom (Malaysia) Berhad, the second largest mobile company in Malaysia, and sits on the board of PT Excelcomindo Pratama TBK (XL) Indonedia, as well as two local universities. In 2008, Dato' Sri Jamaludin was appointed Board Member of the GSMA (The GSM Association).

Dato' Sri Jamaludin was inducted into the Hall of Fame for ‘Services to the Mobile Telecommunications Industry’ by Asian Mobile News in 2004, and earned the accolade of Malaysia’s ‘CEO of the Year’ 2000 by American Express & Business Times.  He was also named Asian Mobile Operator CEO of the Year  by the Asian Mobile News Awards 2007.

Mr Low was appointed to M1's Board of Directors on 1 September 1994. He is also the Executive Vice President (Technology) of Singapore Press Holdings Limited.

Previously, Mr Low was Chief Executive Officer of SPH AsiaOne Ltd, a subsidiary of Singapore Press Holdings Limited; Chairman of CyberWay Pte Ltd; and a board member of Singapore Cable Vision Limited. Prior to that, Mr Low also headed various IT departments and division units at the Ministry of Defence.

On 8 November 2002, Mr Thein was appointed to M1's Board of Directors. He is currently also a Director and Audit Committee member of several listed companies in Singapore , among them Haw Par Corporation Limited and BIL International Limited (formerly Brierley Investments Ltd).

Mr Thein is a member of the Governing Council of the Singapore Institute of Directors; a Fellow of the Institute of Chartered Accountants in England and Wales; and member of the Institute of Certified Public Accountants of Singapore.

Mr Thein was previously a Senior Partner of PricewaterhouseCoopers; Vice-Chairman of Coopers & Lybrand, and Managing Partner of its management consulting services firm.

In 1999, Mr Thein was awarded the Public Service Medal by the President of Singapore.

Dr Thio was appointed to M1's Board of Directors on 8 November 2002.

Dr Thio is an Advocate and Solicitor of the Supreme Court of Singapore and is currently a Senior Executive Director of TSMP Law Corporation.

Previously Dean of the Faculty of Law at the National University of Singapore, Dr Thio has held various positions in professional bodies and institutions, and sat on the board of subsidiaries of multinational corporations in Singapore . She has served on the Board of Legal Education; chaired one of the Disciplinary Committees set up by the Chief Justice; was an Accredited Arbitrator at the Singapore International Arbitration Centre, as well as served as Judge and Senior Vice-President of the World Bank Administrative Tribunal; and as a member of the Asian Development Bank Administrative Tribunal.

Appointed to M1's Board of Directors on 8 November 2002, Mr. Yeoh also holds directorships at other companies, including Oversea-Chinese Banking Corporation Limited and Accuron Technologies Pte Ltd (formerly known as Singapore Precision Industries 2000 Pte Ltd). He is also an Advisor to Nuri Holdings (S) Pte Ltd.

His previous posts include various positions at Development Bank of Singapore Ltd, including President and Director.

In 1999, Mr Yeoh was awarded the Public Service Star by the President of Singapore.

Dato' Yusof Annuar Yaacob was appointed to M1's Board of Directors on 16 November 2005. He is the  Executive Director and Group Chief Financial Officer of Axiata Group Berhad and sits on the various Boards within the Axiata Group.

Dato' Yusof is a Chartered Accountant by profession and is a member of the Chartered Institute of Management Accountants and the Malaysian Institute of Accountants. He has had investment banking, corporate management and telecommunication experience throughout his career.

He was the Chief Executive Officer of TM International Sdn Bhd from June 2005 till March 2008. Dato' Yusof is a member of the Board and Executive Committee of Celcom (Malaysia) Berhad. He is also a Board member of a number of companies within the Axiata Group, including PT Excelcomindo Pratama Tbk (Indonesia), Dialog Telekom Plc (Sri Lanka), TM International (Bangladesh) Limited, Spice Communications Limited (India), Mobile Telecommunications Company of Esfahan (Iran), Multinet Pakistan (Private) Limited, Samart Corporation Public Company Limited (Thailand) and Samart I-Mobile Public Company Limited (Thailand).

Mr Ow has extensive years of experience in the tax industry. He was senior Deputy Commissioner of IRAS and Chief Executive Officer of the Tax Academy of Singapore until 30 November 2007.  He holds a Bachelor of Social Sciences Degree (Honours) from the University of Singapore. He also attended the International Tax Program and Advanced Management Program in Harvard Business School.

Mr Ow is the recipient of several Public Administrative Medals (Bronze - 1981, Silver - 1985 and Gold - 1997).

Mr Chow has more than 15 years of extensive experience in the financial services industry. Mr Chow is a Fellow of the Singapore Institute of Directors, member of the Instituite of Engineers, Australia and an associate of the Institute of Chartered Secretaries and Administrators, United Kingdom. He worked in the government administrative service for 6 years from 1976, holding management positions in the Ministries of Defence and Education before joining DBS Bank in 1982. He was the senior vice president of International and Correspondent Banking at DBS Bank.

A Colombo Plan scholar, he holds a first class honours, Bachelor of Engineering degree and a Bachelor of Commerce degree from the University of Newcastle, Australia, and an MBA from the National University of Singapore.