Dr. Kathleen Holcombe undertook medical training at the University of Queensland graduating in 2007. She worked at Royal Brisbane and Women's Hospital and The Royal Children's Hospital Brisbane, before moving to Melbourne to undertake general practice training, becoming a fellow of the Royal Australian College of General Practitioners in 2012. While there she also gained qualifications in Palliative Medicine and Child Health.

After moving to Toowoomba in 2014, she has completed fellowships in Nutritional and Environmental Medicine, and Lifestyle Medicine. This training allows Dr. Holcombe to offer evidence-based lifestyle strategies to augment existing treatment plans to help patients achieve optimal health outcomes.