Benjamin is an Otago University graduate. Initially completing a bachelor of science in anatomy and physiology, he received the University of Otago Award in Science. In 2003 he completed his medical degree, also at Otago University, before training as a radiologist at Waikato Hospital.
He has since completed a musculoskeletal imaging fellowship in 2014 at SKG Radiology, Perth, with an emphasis in sports imaging. A diagnostic neuroradiology fellowship at the Neurological Intervention and Imaging Services of Western Australia in 2016.
He is currently a Consultant Radiologist at Waikato Hospital.
He has expertise in all aspects of sports imaging, including CT/Ultrasound/Fluoroscopic guided joint, soft tissue and spinal intervention.