Scroll to top

Meet Our Team


With countless medical transportation missions coordinated worldwide, EMA Global is Singapore’s pioneering provider of medical assistance. Both a leader and an innovator in organising medical flights and air ambulance services. Our team is ready to attend to your travel and medical needs.

Dr. Winston Jong

Dr. Winston Jong

Group CEO and Group Medical Director

Dr. Jong is the Group CEO and Group Medical Director of EMA Global, which he founded in 1991. Dr. Jong has established himself in the fields of clinical anaesthesia and intensive care medicine. He is also an expert in aero-medical medicine and the management of medical assistance. Dr. Jong is a leading sub specialist in aeromedical medicine. Dr Jong also oversees the medical care provided for all transports and is involved with the aeromedical training and quality assurance of EMA Global’s medical escorts.

Dr. Sto. Domingo

Dr. Sto. Domingo

Associate Medical Director

Dr. Theresa Joy Sto Domingo is an Emergency Medicine Physician. Born and raised in New York, Dr. Sto Domingo was accepted and completed an accelerated honors medical school program at De La Salle University. Dr Sto Domingo has had vast experience with patient satisfaction through her research studies and has been awarded and commended multiple times throughout her training for her outstanding patient care. Currently, she is the Director of Emergency Medicine at VRP Medical Center and is the Medical Advisor for EMA Global Philippines. She is also one of the valued accredited physicians and Medical Advisors of One Finanz, a Hong-Kong based company. In her free time, Dr Sto Domingo gives regional talks around the Philippines on First Aid for Kids; a series that teaches First Aid, CPR and Basic Life Support to teachers, parents and caregivers.

Jaslyn Siow

Jaslyn Siow

Chief of Medical Operations

Jaslyn is a qualified nurse with a degree from the University of Sydney. She has been a nurse for more than 20 years and has valuable experience across many areas of practice, including ward care, ophthalmology, operating theatre and intensive care. Jaslyn marries her nursing expertise with her administrative acumen by assembling a team of medical specialists and nurses, and arranging vital ambulance and flight transport, to rescue and repatriate persons in medical need. Often, this task has to be organised within a few hours and Jaslyn has always delivered the team for the job and the patient safely to the destination.

Dexter Tan

Dexter Tan

Chief Corporate Development Officer, Group Executive Director

Dexter is the Group Executive Director of EMA Global. He oversees EMA Global's regional strategy, operations, network, quality control, and growth of business units. He is also involved in product development and special projects that widen the scope of services the company provides. Dexter graduated with an Economics degree from the National University of Singapore. Prior to joining the medical assistance industry, Dexter was a co-founder in a technology start-up and was the General Manager of a lifestyle services company.

Rowena Kwan

Rowena Kwan

Group Director, Aviation

Rowena is the Group Aviation Director of EMA Global. Rowena has been in the general aviation business since 2005 managing air-ambulance and executive charters. Rowena’s doctoral research is on health-care management in private practice.

Reine Jong

Reine Jong

Group Chief Human Resources Officer, General Counsel

Reine graduated from Durham University, England and was admitted as an Advocate and Solicitor of the Supreme Court of Singapore in 2012. Prior to joining EMA Global, Reine was a corporate lawyer with a practice area in in Corporate Finance and Capital Markets. Reine now oversees, plans and coordinates the operation strategies of the company across EMA Global’s regional offices.

Contact our 24/7 Careline