Grant is a physicist, lens designer and qualified optical dispenser. He graduated with a Bachelor of Science degree with a major in physics and pure mathematics from the University of New England. Grant holds a qualification in spectacle lens design with honours from the UK under the tutelage of Professor Mo Jalie and is the first and currently the only qualified spectacle lens designer in Australia. He has an interest in research and photonics.
Grant is a Fellow of the Association of British Dispensing Opticians and the Australasian Dispensing Opticians Association. He is also an adjunct senior lecturer at the School of Optometry and Vision Science UNSW. He is the past Chairman of the NSW Optical Dispensers Education Trust and the past Vice President of ADOA (NSW). Grant is currently undertaking the Doctor of Ophthalmic Science programme at the School of Life and Health Sciences at Aston University, Birmingham England.