Senior Management

Open, Better and Faster

For a truly open, better and faster network with guaranteed success for the entire Singapore population to enjoy.

Mrs. Tan Kah-Rhu
Chief Executive Officer
Ms. Khoo Ai Lin
Finance Director
Mr. Chang Wai Leong
Director, Technical and Business Development
Mr. Tiong Onn Seng
Director, Project & Operations

kahrhu-28th-oct-2009_10Mrs. Tan Kah-Rhu
Chief Executive Officer

As Chief Executive Officer (CEO) of OpenNet Pte Ltd, Mrs. Tan Kah-Rhu shares its stately vision to build Singapore’s first nationwide fibre optical infrastructure. Enabling ultra high-speed broadband connection, soon, it will be the preferred network needed in the delivery of high quality content.

Mrs. Tan was the CEO of Singapore Aeradio Pte Ltd from 1996 to 2001. From 2001 onwards, she was working in Singapore Telecommunications Limited holding the role of Vice President (Network Operations) and followed by Vice President (International Networks). Prior to leaving SingTel, she was the Vice President (Access and Transmission Engineering) of SingTel, Singapore and Optus, Australia.

Mrs. Tan graduated from the National University of Singapore in Electrical and Electronic Engineering and in 1995, completed an Advanced Executive Program at the London Business School. Today, she is a senior member of the Institute of Engineers Singapore.


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chang-wai-leong_10Mr. Chang Wai Leong
Director, Technical and Business Development

Chang Wai Leong joined OpenNet as Director of Technical & Business Development in March 2009. He leads the strategic planning and development of the OSS/BSS infrastructure to manage Network Operators and customers, and information systems to ensure quality service delivery and operational efficiency. Wai Leong also oversees the Business Development function where he applies his sound technical know-how on development of new business.

Formerly from SingTel, Wai Leong has held leadership positions in various areas such as Public Network Engineering and Operation, Head of SingNet Business Unit, SingTel Internet Exchange product and engineering, SingTel Corporate Development, IP Business, and Consumer Broadband & Internet.

Wai Leong holds a Bachelor Degree (Honours) of Electronic and Electrical Engineering from University of Leeds; Master of Science in Data Communications and Software Management from University of Essex and Master of Science in Business Administration from Stanford University


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khooailin_30Ms. Khoo Ai Lin
Finance Director

Ai Lin joined OpenNet as Finance Director in April 2009. She is responsible for financial planning and in implementing the financial policies of the company. She oversees the company’s financial affairs including treasury and tax planning. In her role, Ai Lin provides financial guidance on strategic business planning, the NGNBN network rollout activities and risk management, ensuring corporate governance within the company.

Ai Lin brings with her more than 20 years of corporate finance experience in the telecommunications industry, which included active involvements in the start-up operations of MobileOne and Hutchinson IntraPage during their fledgling phases. Ai Lin began her career as an Accountant with SingTel. Prior to joining OpenNet, she served a short stint as HR Director (HR Planning and Operations) in SingTel.

Ai Lin is a Fellow Member of the Institute of Certified Public Accountants of Singapore. She is also a volunteer member of the NUS-YMCA Volunteer Management Programme organized by the NUS Business School. She graduated with a Degree in Accountancy from the NUS in 1985.


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tiongonnseng_30Mr. Tiong Onn Seng
Director, Project & Operations

As Project & Operations Director of OpenNet, Onn Seng is responsible for the rollout and operation of the nation-wide fibre optic passive infrastructure to all homes, offices and buildings.

Onn Seng has over 20 years of experience in telecommunications and cable TV industries. He began his career in Housing & Development Board as an Electrical Engineer. Thereafter, he joined Singapore Telecom, Singapore Cable Vision and StarHub; holding leadership positions in planning, implementing & operating fibre-based broadband network and managing third party Network Leased Agreement.

Onn Seng joined OpenNet in May 2009, and holds a Bachelor Degree (Honours) of Engineering (Electrical) from the National University of Singapore. He also holds a Bachelor Degree of Science (Psychology) from Central Queensland University, a Graduate Diploma in Financial Management from Temasek Polytechnic and a Diploma in Telecommunications Management from Temple University.

In his leisure time, being a certified career coach, he does career coaching for friends and associates.


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