Our Founder & Board

Ms Chew Poh Yim


Ms Chew Poh Yim founded the charity after realising that there was a need for increased community support to reintegrate stroke survivors into society to ensure their well-being. With over 25 years in management, marketing, and branding in the consumer and retail market, she supported community programmes that improved the lives of the elderly through collaboration with institutions such as the National University Health System of Singapore and People’s Association. She served on the Board of Trustees of SingHealth Foundation in Singapore and graduated from the University of Manchester Institute of Science and Technology, United Kingdom.

Ms Chew passed away peacefully on 31 October 2021.

Ms Chang Hwee Nee

Director and Chairman

Ms Chang Hwee Nee is Chief Executive of the National Heritage Board (NHB). Before joining NHB, Ms Chang Hwee Nee held senior positions in the Ministries of National Development, Education, Health, and Finance. Ms Chang graduated with an MA in Economics from Cambridge University, United Kingdom. She also holds a Master of Public Administration from the Kennedy School of Government, Harvard University. Ms Chang is also a member of the Nomination (1 April 2019) and Investment (1 April 2020) Committees at S3.

Mr Loh Khum Whai, Max

Director, Treasurer and Chairperson, Finance Committee

Mr Max Loh is the Managing Partner for EY in Singapore, Brunei, and EY Asean IPO Leader, and thus has overall responsibilities for the operation of the practices in the Region. He has over 25 years of experience in providing audit and business advisory services to a broad range of clients, including technology, construction, manufacturing, hotels, financial institutions, and government concerns. Mr Loh is also experienced in strategic planning, re-organisation, and operations improvement projects for various local companies as part of their globalisation and listing efforts. Mr Loh is the Chairman of Competition and Consumer Commission of Singapore (CCCS) and is also a member of the Investment Committee (1 October 2012) at S3. He graduated from the National University of Singapore with Honours and is a practising member of the Institute of Singapore Chartered Accountants.

Dr Phua Cheng Pau, Kelvin

Director and Chairperson, Programmes, Services & Innovation Committee

Dr Kelvin Phua is Chief Executive Officer of SATA CommHealth. He is experienced in managing clinical programmes in the Intermediate and Long-Term Care sector and is passionate about the rehabilitation of geriatric patients. He also served as a member of the Medical Advisory Board of the Agency of Integrated Care (2012-2015). Dr Phua graduated with an M.B.B.S. and subsequently attained the Master as well as Fellowship in Family Medicine. He is keen to explore the use of technology to implement novel models of care to make quality healthcare sustainable and accessible to all patients. Dr Phua is also a member of the Audit Committee (1 April 2020) at S3.

Mr Ling Ping Chih, Leonard

Director and Chairperson, Human Resources Committee

Mr Ling is the Founder and Principal Consultant of Coherence Pte Ltd. He has over 18 years of experience in People Strategy and Organisation Development in both consulting and corporate environments. His key consulting experiences include job redesign, competency modelling, performance management, manpower planning, training and development, knowledge management, remuneration and benefits structuring, change management, organisation design, and strategy development. Mr Ling is also a member of the Nomination Committee (7 February 2022) at S3.

Ms Foo Sew Yen, Janet

Director and Chairperson, Fund-raising and Communications Committee

Ms Foo Sew Yen, Janet has 40 years of experience in the tourism industry with a specialisation in marketing and corporate event management for international clients. Prior to retirement, she founded her own events company servicing clients in the financial and information technology industries. An advocate of early parenthood, she is active on the board of I Love Children. She holds a Bachelor of Arts from Singapore Institute of Management. Ms Foo is also a member of the Strategy & Partnership Development Committee (1 April 2020) at S3.

Mr Ling Tok Hong

Director and Chairperson, Audit Committee
Deputy Chairperson, Programmes, Services & Innovation Committee

Mr Ling Tok Hong is Partner and Leader of Mergers & Acquisitions as well as Private Equity Leader at PwC Singapore, He has over 20 years of financial and business advisory experience, serving global clients in their inbound acquisitions in South East Asia and Singapore-based clients venturing abroad. As an avid supporter of community work, Tok Hong serves as a member of the Telok Blangah Citizens' Consultative Committee and also a Board Member of the National Library Board. He graduated with a Bachelor of Accountancy from Nanyang Technological University and is a Chartered Accountant of the Institute of Singapore Chartered Accountants (ISCA). Mr Ling is also deputy chairperson of the Programme, Services & Innovation Committee (1 April 2020) and member of the Fundraising & Communications Committee (1 October 2022) at S3.

Mr Yap Wai Ming

Director and Chairperson, Strategy and Partnership Development Committee

Mr Yap Wai Ming is a partner at Morgan, Lewis & Bockius LLP and is also the Managing Director at Morgan Lewis Stamford LLC, a Singapore law corporation affiliated with Morgan, Lewis & Bockius. He has over 30 years of experience in advising corporate clients on mergers and acquisitions, project finance and equity and debt capital markets and has an interest in the gaming and leisure business sectors. He also serves on the boards of a number of charities in Singapore, namely Ren Ci Hospital, the SingHealth Foundation, and Tan Tock Seng Hospital Community Charity Fund. He graduated from the National University of Singapore with an LLB with Honours and was admitted as an advocate and solicitor of the Supreme Court of Singapore and High Court of Malaysia. Mr Yap is also a member of the Audit Committee (21 March 2018) at S3.

Dr Khoo Cheng Hoe, Andrew

Director and Chairperson, Investment Committee

Dr Andrew Khoo is currently a board member of the National Environmental Agency. He was formerly Deputy Managing Director (Corporate Development) at the Monetary Authority of Singapore, where he spent most of his career. He was a board member of the Competition and Consumer Commission of Singapore and the Accounting and Corporate Regulatory Authority. Dr Khoo is also a non-executive and independent director at the Oversea-Chinese Banking Corporation (OCBC) He also served as a member of the Council on Corporate Disclosure and Governance, Securities Industry Council, Accounting Standards Council, and Advisory Board of the School of Accountancy at the Singapore Management University. He is also a member of the Audit Committee (1 October 2021) at S3.


Dr Ahmad Bin Mohamed Magad

Director and Member of Finance Committee

Dr Ahmad Magad is currently the Secretary General of the Singapore Manufacturing Federation. He is currently the Managing Director and Director/Chairman at II-VI Singapore Pte Ltd. He was formerly the Group Managing Director of II-VI Infrared (IR) Optics Manufacturing Operations in Asia and President of Singapore Productivity Association. He was also an elected Member of the Singapore Parliament (MP) and served in the Pasir Ris-Punggol Group Representation Constituency (GRC). Dr Ahmad is a Fellow Member of CPA (Australia), the Chartered Institute of Marketing (UK), and the Singapore Institute of Directors. He is also a Distinguished Fellow of the Management Development Institute of Singapore. Dr Ahmad was awarded the Walter L. Hurd Executive Medal by the Asia Pacific Quality Organisation in November 2016 in Rotorua, New Zealand. Dr Ahmad is also a member of the Strategy & Partnership Development Committee at S3.


Mrs Celine Tang

Director and Member, Strategy and Partnership Development Committee

Mrs Celine Tang is the Non-Executive Chairman of Tangram Capital Pte Ltd (formerly known as Chip Eng Seng Corporation Ltd). As a veteran of the real estate industry, she ran SingHaiyi Group Pte Ltd as its Group Managing Director before retiring in March 2023. In addition to real estate, Mrs Tang possesses rich experience spanning pharmaceutical and commodities trading. Mrs Tang also controls New Port Duty Free Pte Ltd, the leading bonded provision supplier and ship chandler in Singapore. She also serves as the Non-executive Chairman of OKH Global Ltd. Possessing a strong belief in giving back to the society, Mrs Tang has been actively sponsoring and donating to the local community, education, sports and healthcare. Mrs Tang graduated with a Bachelor’s Degree in Literature from China People’s University for Police Officers (now known as People’s Public Security University of China). Mrs Tang is also a member of the Strategy & Partnership Development Committee (1 March 2024) at S3.


Board Committees

Audit Committee

The Audit Committee is to provide oversight of financial reporting process, the audit process, the system of internal controls and compliance with laws and regulations.

The Audit Committee facilitates the internal and external audits for S3, including liaising with auditors and review audit plans and reports. The committee also examines processes, policies and principles relating to financial reporting and disclosure, internal financial controls and internal risk management system.


Mr Ling Tok Hong - Chairperson


Mr Yap Wai Ming - Member


Dr Phua Cheng Pau, Kelvin - Member


Dr Khoo Cheng Hoe, Andrew - Member


Ms Magdelene Chua - Member


Mr Oo Ban Leong - Member


Finance Committee

The Finance Committee review policy and procedures as well as to ensure internal control systems and compliance are in place. They would review and monitor budgets, reserves and investment as well as manage S3’s capital assets.


Mr Loh Khum Whai, Max - Chairperson


Ms Ang Lian Choo, Anne - Member


Dr Ahmad Bin Mohamed Magad - Member


Fundraising and Communications Committee

The Fundraising Committee is responsible for taking the lead in fund-raising as well as overseeing the organisation's overall fundraising initiatives and, in particular, the fundraising done by the board. It monitors fundraising efforts to be sure that ethical practices are in place - donors have acknowledged appropriately and that fundraising efforts are cost-effective.


Ms Foo Sew Yen, Janet - Chairperson


Ms Michelle Lim  - Co-Chairperson


Mr Ling Tok Hong - Member


Ms Barbara Heng - Member


Mr Darren Chen - Member


Ms Xiaoqing Sun - Member


Dr Michael Lim - Advisor


Mr Yang Tse Pin - Advisor


Strategy and Partnership Development Committee

The Strategy and Partnership Development Committee develops and implements effective community engagement strategies to raise S3's profile and sustain its programmes and operational needs. The committee collaborates with target community groups to champion diversity and inclusivity for stroke survivors and caregivers. The committee also reviews volunteer development plans and assesses the effectiveness of volunteer programmes. 


Mr Yap Wai Ming - Chairperson


Ms Foo Sew Yen, Janet - Member


Dr Ahmad Bin Mohamed Magad - Member


Mrs Celine Tang - Member


Mr Shrikanth Sankar - Member


Human Resources Committee

Human Resource Committee functions include drafting and/or revising personnel policies for board approval, reviewing job descriptions, establishing a salary structure, and annually reviewing staff salaries and reviewing the benefits package. The committee identifies and caters to the training needs of employees and volunteers as well as ensuring an effective channel of communication for staff and volunteers to give feedback and provide grievance and conflict resolution procedures are in place.


Mr Ling Ping Chih, Leonard - Chairperson


Ms Catherine Thia Siew Guek – Member


Ms Christine Loh – Member


Programmes, Services & Innovation Committee

The Programmes, Services & Innovation Committee monitors and assesses outcomes of existing programmes, oversees new programme development and guides development of service delivery mechanisms. It ensures that S3’s operations and programmes have been directed towards achieving its stated objectives.


Dr Phua Cheng Pau, KelvinChairperson


Mr Ling Tok Hong - Deputy Chairperson


Mr Woon Shung Toon - Member


Ms Lye Hsiew Ling, Lena - Member (Medical Social Worker) 


Dr Loh Yong Joo - Member 


Dr Ong Seh Hong - Member 


Dr Effie Chew - Medical Advisor 


Investment Committee

Dr Khoo Cheng Hoe, Andrew - Chairperson


Ms Chang Hwee Nee - Member


Ms Ang Lian Choo, Anne - Member


Nomination Committee

The Nomination Committee reviews and assesses candidates for directorships to fill Board vacancies, as and when they arise, before recommendation to the Board for appointment(s). The Committee also reviews and recommends to the Board the retirement/re-election of directors in accordance with the Articles of S3.


Mr Yap Wai Ming - Chairperson


Ms Chang Hwee Nee - Member






Contact Us



S3 Brochure
The simple doesn't need to be impossible
A1 9 steps prevent stroke Outreach Poster
  • A Stroke Support Station, 20 Lengkok Bahru, #01-04, Singapore 159053

  • T +65 6473 3500

  • E info@s3.org.sg

  • Opening Hours Mon-Fri, 9:00am - 5:00pm