About Us

Dr Khanh Nguyen is an accomplished emergency physician in Sydney, NSW, working across multiple clinical sites. She is dedicated to advancing the next generation of specialists through her clinical, academic, and leadership roles. A founding member of Ace the OSCE, she is recognised for helping trainees succeed in the ACEM Fellowship OSCE. Dr Nguyen serves as Director of the Hospital Skills Program and Program Director for the Master of Medicine (Critical Care) at the University of Sydney, where she is also a senior lecturer. She contributes nationally through the ACEM Assessment Working Group, shaping trainee assessment and standards.

Dr Coggins is an Emergency Physician from Scotland. After completing undergraduate studies at the University of Edinburgh, he obtained FRCP and FACEM qualifications whilst living in Sydney. He worked in the prehospital setting for a year before taking on an education portfolio in Westmead Hospital, Sydney. Dr Coggins enthusiastically teaches, promotes and publishes on clinical, education and simulation topics. He holds an academic position at the University of Sydney.

Dr Bibhu Pradhananga, FACEM, is a Senior Staff Specialist in Emergency Medicine, working across major Sydney hospitals. Originally from Nepal, he combines global insight with deep expertise in quality improvement, system efficiency, and integrating modern technology into healthcare. A founding member of Ace the OSCE, he has helped countless ACEM trainees excel in the Fellowship OSCE. As Director of Training for Concord Hospital’s ICRP Program, he mentors international medical graduates as they adapt to Australian practice. Beyond the ED, he is an avid whisky enthusiast, curating rare and distinctive expressions from around the world.

Dr Laura Brown is an emergency physician based in Sydney, NSW, working across both the public and private health systems. She is deeply passionate about teaching and supporting candidates preparing for their OSCE fellowship exams, with a particular focus on challenging communication stations. Laura’s approach is grounded in compassion, professionalism, and a commitment to sustainable medical careers. Her special interests include promoting workplace civility and fostering a culture of kindness in emergency medicine. Known for creating a safe space for learning, she encourages candidates to bring their most difficult personal and exam-related communication challenges to workshop together.

Dr Úna Nic Ionmhain, FACEM, graduated from Trinity College Dublin before training in Emergency Medicine in Perth. She completed a Pre-Hospital and Retrieval Medicine year with CareFlight NSW and a poisons fellowship. Now a staff specialist at Liverpool Hospital and clinical toxicologist with the NSW Poisons Information Centre, she has a special interest in HIET for cardiogenic shock (the focus of her master’s thesis) and cardiotoxicity education. A passionate teacher, she balances her work with kayaking, running, and camping. A proud Irish speaker, she is also hopeful her wife will one day agree to getting a puppy.

Dr Kerf Tan is a Sydney-based Emergency Physician and educator, holding appointments at Auburn Hospital and The Children’s Hospital at Westmead. With six years of consultant experience, he has a strong passion for medical education. Enthusiastic about technology and the future of healthcare, Kerf actively explores innovations in AI and digital health to enhance patient care and enrich the learning experience for future emergency physicians. Keep an eye out for his upcoming AI OSCE chatbot.

Staff Specialist Concord, VMO Bankstown Hospital. FACEM

Emergency Medicine Staff Specialist, Royal Prince Alfred Hospital. Hospital in the Home Staff Specialist, Sydney Local Health District.

Dr Narushevich is a Senior Staff Specialist based in Western Sydney and has been involved with the Ace the OSCE course since its early days. He has a particular interest in communication around life-limiting illnesses, end-of-life care, and the delivery of difficult news. Dr Narushevich has presented at palliative care conferences and is actively engaged in education and governance across all levels of healthcare within the district. He is well known for his ability to navigate even the most challenging scenarios with insight and wit, when knowledge falls short, his experience and presence carry the day.