Grant is a qualified optical dispenser and lens designer. He graduated with honours in a Bachelor of Arts degree and 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 only 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 ADOA. He is also an adjunct senior lecturer at the School of Optometry UNSW. He is the past Chairman of the NSW Optical Dispensers Education Trust and the current Vice President of ADOA (NSW).
Since 2006 Grant has been the director of the Rotary Eye Projects in Nepal, Mongolia and helped implement the establishment of an ophthalmic facility in Ulaangom, Mongolia and works closely with Reiyukai Eye Hospital in Banepa, Nepal. He also consults for various international education projects providing resources for best practice dispensing models. Grant has been involved annually since 2015 as a speaker for the Blue Sky Congress, a continuation event for optometrists and optical dispensers in South Australia.
He has been awarded as a Paul Harris fellow and is recognised by the Australian government for his aid work in Mongolia and Nepal.