Meet our
team
With decades of collective experience in aeromedicine, emergency care, and crisis coordination, EMA Global’s leadership team supports organisations across Asia and worldwide. Our multidisciplinary team enables coordinated emergency response team activation for medical incidents, workplace emergencies, and international crises.
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.
Dexter Tan
Deputy CEO and Chief Technology Officer
Dexter is the Deputy CEO of EMA Global. With over 15 years of experience in leadership roles, he oversees EMA Global's group strategy and business units across operations, network, quality control to ensure sustainable business growth. He is also involved in special projects that spans product and services development and deployment of AI solutions.
Jaslyn Siow
Group Chief of Medical Operations
Jaslyn brings over 34 years of acute care and leadership experience to her role as Group Chief Medical Operations Officer. A State Registered Nurse since 1992, she is the primary architect of EMA Global’s clinical standards, directing the logistics and safety protocols for complex aeromedical evacuations and critical care transfers worldwide. With a Bachelor of Health Science from the University of Sydney and a specialized background in anaesthesia and perioperative care, Jaslyn excels at managing high-acuity patients during long-range repatriations. She ensures a seamless transition of care across international borders, overseeing the precise coordination of medical teams and life-support equipment. Her clinical judgment and operational rigor are central to EMA Global’s ability to execute challenging medevac assignments with consistent excellence.
Dr Rowena Kwan
Group Director, Aviation
Dr Rowena Kwan has been a leader in general aviation since 2005, specializing in air-ambulance and executive charters. Her background includes having owned aircrafts which provides her with a deep, practical understanding of aircraft management, maintenance, and the regulatory complexities of the industry. As Group Aviation Director, Rowena leverages this to ensure EMA Global’s flight operations are managed with efficiency and safety. Her leadership is backed by her doctoral research in healthcare management, allowing her to seamlessly align clinical excellence with mission-critical flight logistics across the region.
Reine Jong
Group Chief of Legal and People
Reine is a Durham University graduate and was admitted as an Advocate and Solicitor of the Supreme Court of Singapore in 2012. Following a career in Corporate Finance and Capital Markets she now leads both the legal and human capital functions for EMA Global’s regional offices. Reine manages the group’s legal affairs and regional compliance. Her HR portfolio is equally comprehensive, covering talent acquisition, total rewards strategy, and human capital governance. Her dual oversight ensures that EMA Global’s people programs are legally sound, data-driven and structured to support a high-performing regional workforce.
Nicholas Chia
Group Chief Financial Officer
Nicholas is the Group Chief Financial Officer of EMA Global. He oversees EMA Global's regional finance, business integration and process improvements, focused on improving productivity. He is also involved in the groups overall corporate strategy and new business opportunities that support the long term growth of the company. Nicholas graduated with an Mathematics degree from Queen Mary, University of London and completed his Program for Leadership Development at Harvard Business School in 2020. Prior to joining the medical assistance industry, Nicholas was a investment banker for 16 years in Hong Kong and Singapore.
Beda Biala Jr
Group Chief Operations Officer
With nearly 30 years of experience in the emergency medical and travel assistance industry, Beda is a registered nurse whose clinical background includes emergency room nursing and service as a flight nurse. As Chief Operations Officer of EMA Global, he oversees the company’s assistance centers, supports business development initiatives, drives product innovation, and ensures the delivery of high-quality services to clients and members worldwide. His extensive operational and clinical expertise has been instrumental in strengthening EMA Global’s commitment to providing responsive and reliable assistance solutions.
Tony Ridley
Group Chief Security & Risk Advisor
Tony Ridley has three decades of enterprise risk governance and travel security expertise. As Chief Security & Risk Advisor at EMA Global, he leads the development of scalable travel risk intelligence and security assistance frameworks across the Asia-Pacific region. With operational experience spanning government critical infrastructure protection, crisis response across 40+ countries, and board-level risk advisory, Tony combines academic rigour with practical operational insight. His work has produced over 136 published research contributions on transnational security and travel risk.
Jimmy Goh
Group Chief Information Security Officer
Jimmy Goh is a former Commanding Officer in the Republic of Singapore Navy. Across a 26 year career, he served in the capacity of commanding officer of ships, squadrons and flotilla and commander of Coastal Command. For the last 25 years, Jimmy has worked in the cyber security industry and leads the Information and Data Security division in EMA Global, covering insider threats, risk management, incidence response, and governance.
