Our Management Team

Chief Executive

Dr Barry Thng

Chief Executive

Dr Barry’s passion has always been about bringing better care to patients. A strong believer in value creation, he is proud to lead a team of diverse talent in growing Alliance Healthcare Group from a single GP clinic to a forward-looking healthcare group, leveraging on the latest technologies to simplify and personalise healthcare deliveries.

Graduated from the National University of Singapore (NUS) with a Bachelor of Medicine and a Bachelor of Surgery (MBBS), Dr Barry also obtained a Master of Medicine (Family Medicine) and Graduate Diploma in Dermatology. He is currently a Fellow of the College of Family Physicians Singapore and the Academy of Medicine, Singapore.

Medical Director

Dr Corey Ang

Medical Director

Dr Corey believes in providing personalised professional and quality healthcare services and making them both convenient and affordable for patients. Over the years, he has helped build the group’s My Family Clinic™ brand into a household name. Today, the brand has established its presence in the heartlands islandwide to reach out to patients around Singapore.

He is honoured to work with a talented team of doctors, each with their unique areas of interests and who are fully committed to providing the best medical care possible to patients.

Graduated from the National University of Singapore (NUS), School of Medicine, Dr Corey obtained his Bachelor of Medicine and Bachelor of Surgery (MBBS) in 1997.

Chief Pharmacist

Wong Chien Yeh

Chief Pharmacist

Chien Yeh has 18 years of experience in the pharmaceutical industry in Singapore. After graduating from the National University of Singapore (NUS), School of Pharmacy, he worked for major chain pharmacies in Singapore such as the Guardian and NTUC. In 2004, he ventured into starting his own independent pharmacy.  He partnered Alliance Healthcare Group in 2008 to set up Alliance Pharm, which deals with wholesale distribution of pharmaceutical products.

Under his leadership, Alliance Pharm has grown to become a major pharmaceutical wholesaler. In addition, Chien Yeh has also established a network of suppliers and customers worldwide, and Alliance Pharm has become a key sourcing partner for hospitals in Singapore and the region.

He is passionate about breaking barriers to the access of medication in places where it is needed. His goal is to provide a solution to bridge the healthcare gap with efficiency and the right pricing.  To this end, he constantly explores creative ways and strategic alliance to achieve the goal.

Chief Knowledge, Data Officer

Helen Chwee

Chief Knowledge and Data Protection Officer

Helen joined Alliance Healthcare Group in 2002 as its Group Administrative Manager, overseeing 4 clinics’ manpower, operations and accounting portfolios. Over the years, she has been part of the team that has seen the company grow from 4 to 15 general practitioner (GP) and 3 specialist clinics.

With more than 35 years of experience in both clinic and hospital operations as well as forensic psychiatry and medico-legal assistance, she has been instrumental in many of Alliance’s healthcare initiatives, including heading a pilot project on an integrated healthcare solution with the Health Promotion Board.

In addition to her current portfolio as the Chief Knowledge and Data Protection Officer of Alliance Healthcare Group, she is also managing the company’s workplace safety and health, facilities as well as clinic operations.

Director of Corporate Health Solution

Karen Ong

Director of Corporate Health Solutions

Karen has over 18 years of experience in Third Party Healthcare Administration, taking care of operations, business automation and assisting the Business Head in the company’s growth.

Karen is overseeing Alliance Medinet Pte Ltd, one of Alliance Healthcare Group’s business units. She is responsible for the business growth of the unit and managing the day-to-day operations. Karen works closely with corporate clients and insurers to ensure business retention, seamless processing and administration of employees’ benefits and the Shield programme.

Before joining Alliance Healthcare Group, Karen has worked in both Singapore and Malaysia, managing business operations that comprised over 450,000 members. One of her most exciting work experiences was migrating client data to a new system when she was with Mercer (Singapore) Pte Ltd while taking charge of both Broking and Flex Administration Operations.

While she enjoys all aspects of her work, her favourite part is system design and automation that can ease business processes.

Director of Business Development

Jeffrey Lee

Director of Business Development

Jeffrey joined Alliance Healthcare in 2011 and is responsible for developing new business and forming marketing strategies to meet organisational objectives. He oversees the sales team in achieving target revenue for Corporate Health Services by actively engaging corporate clients who are mainly human resource practitioners, maintaining positive relationships with business partners and key accounts. Jeffrey is the liaison officer for facilitating communications with Government Restructured Hospitals and Auxiliary Support Services.

Prior to joining Alliance Healthcare Group, Jeffrey worked in CrimsonLogic and spearheaded the implementation of National Electronic Medical Records among private healthcare establishments, where he liaised with numerous general practitioners (GPs) and medical specialists to conduct business presentation and negotiation as well as training and account management.

Jeffrey is a certified Workplace Health Consultant with Health Promotion Board, obtained in 2012, and also the Data Protection Officer for the department.

Director of IT

Kent Tan

Director of Information Technology

Kent has more than 15 years of experiences in IT and technology innovation-related projects. Prior to joining Alliance Healthcare Group, Kent was a programme manager at the Institute of Infocomm Research, a Research and Development (R&D) institute under the Agency for Science, Technology And Research (A*STAR). He was leading a team of researchers in R&D projects in the areas of smart grid.

Kent has also co-founded an online music streaming technology company based on an audio compression technology invented during his time at A*STAR. His other areas of work experience include business analytics, image processing, RFID, geolocation and digital broadcasting technologies.

Director of Finance

Foo Siew Shan

Director of Finance

As the Head of Finance Department, Siew Shan leads the finance team and manages the full spectrum of finance accounting, tax and corporate secretarial functions for the Group.

Prior to joining the Group, Siew Shan has led the Finance team of both  property development company and healthcare private company overseeing finance, administration, human resource and corporate secretarial and tax matters.

Over the years, Siew Shan has accumulated more than 33 years of finance and accounting-related experience, covering financial banking facilities, internal control, taxation, financial and management accounting in the healthcare, properties development, manufacturing and service industries.


Fiona Tan

Director of Human Resource

As the head of department of human resource (HR), Fiona leads the company’s HR organisation and manages all aspects of human resource functions, including compensation and benefits, employee relations, organisation development, payroll, talent management and HR technology.

She joined Alliance Healthcare Group in May 2017. Before that, Fiona served as the HR Leader at Fujitsu PC Asia Pacific Pte Ltd and was also the compliance officer on the Corporate Compliance Committee. During her 20-year tenure, she has held positions of increased scope and responsibility and has acquired a successful track record in leading regional teams in mature and emerging markets to deliver functional and operational excellence in human resource, business support, legal and corporate governance to support business growth.

Alliance Healthcare