A/Prof Clements began his career in both private and public work before settling entirely in public hospital practice as a full-time Staff Specialist at The Alfred. Warren also holds an Adjunct position with Monash University through the Department of Surgery, and is involved in teaching of medical students and junior doctors.

Warren is accredited with the Conjoint Committee for recognition of training in Peripheral Endovascular Therapy (CCRPET), and holds the Diploma of the European Board of Interventional Radiology (EBIR), and is currently completing a Master of Health Administration. He is an active member of the Interventional Radiology Society of Australasia (IRSA) and is also a member of the Cardiovascular and Interventional Radiology Society of Europe (CIRSE) and the Society of Interventional Radiology (SIR).

Warren holds positions within the Royal Australian and New Zealand College of Radiologists (RANZCR) including within the Interventional Radiology Committee. 

Warren is an associate editor for the Journal of Medical Imaging and Radiation Oncology, and is an editorial board member of CardioVascular and Interventional Radiology as well as CVIR Endovascular. He also reviews for multiple local and international journals.  

Warren has a keen interest in education and training, is the supervisor of Intern Training in the Alfred Radiology Department, and supervises research students in the Monash University Doctor of Medicine program.

Warren’s areas of practice include Uterine Fibroid Embolisation, Radiofrequency Ablation (RFA) of tumours, Trauma intervention, and management of complex inferior vena cava filters.