Dr Daniel Ting is the Consultant, Vitreo-retinal surgeon in the Singapore National Eye Center (SNEC), Head of AI and Digital Innovation in the Singapore Eye Research Institute (SERI), and an Associate Professor in Ophthalmology with Duke-NUS Medical School Singapore. He is also the visiting Full Professor in Ophthalmology in Zhongshan Ophthalmic Eye Center, Sun Yat-Sen University, China; 2017-2018 US-ASEAN J. W. Fulbright Scholar to Johns Hopkins University, the EXCO of the American Academy Ophthalmology (AAO) AI Task Force and Standards for Reporting of Diagnostic Studies (STARD-AI) Task Force. At present, he is the Associate Editor of Nature Digital Medicine, Section Editor (AI and big data) in British Journal of Ophthalmology (BJO) and the Editor of Ophthalmology, Ophthalmology Retina, Ophthalmology Science and Asia-pacific Journal of Ophthalmology. To date, he has published >180 peer-reviewed papers/book chapters/conference abstracts, including >40 AI and digital technology articles in JAMA, NEJM, Nature Medicine, Nature Digital Medicine, Lancet Digital Health and others. Daniel holds several patents in deep learning systems for medical imaging analysis, and is also the co-founder of an AI spin-off company, EyRIS Pte Ltd. EyRIS has commercialised the Singapore Eye Lesion Analyser and to date has partnered with >20 optometry practices. 3 THINGS I LEARNED Perseverance is a fundamental ingredient for success. Dr Ting’s initial work was rejected numerous times, but he never gave up. He kept persisting until it was finally accepted into a big journal (Journal of the American Medical Association) - which was the break he needed to launch his career. Mentors are important, both in terms of giving you advice to guide your career and opening door and providing opportunities for you to build new skills and competencies. If you want to learn new skills, you have to be ready to read a lot. Today this data is freely available on the internet. Apart from reading and listening to talks, you can also consider following the leading lights in the field on twitter for instance to get a feel for where the cutting edge developments are.