- Fellowship in 1995 at University of Cambridge
- Scholarship in 1991 at University of Cambridge
Dr Leung was one of the 13-people Data and (statistical) Analysis Committee of the Wellcome Trust Case Control Consortium. The Wellcome Trust Case Control Consortium (WTCCC) is a group of 50 research groups across the UK which was established in 2005. The main paper from the WTCCC, Genome-wide association study of 14,000 cases of seven common diseases and 3,000 shared controls, won several awards, including The Lancet's Paper of the Year, Scientific American's Research Leader of the Year, the Amadeus Prize, and one of Nature's Editor's Picks for 2007. See the google scholar entry for publications.
During his role as data scientist in WTCCC, he made a series of important enhancements to Sun Microsystems' Sun Grid Engine (the standard distributed computing environment at the time). Sun Microsystems had him signed a copyright assignment to incorporate the enhancements and acknowledged his contributions in subsequent releases. There were a series of featured articles about his enhancements and an interview with him on the community web site.
CurrentlyStarting in 2015, he works with Google to negotiate with Microsoft and migrates part of Microsoft's desktop publishing-related technology to libre platforms, to better support Google's Web Font effort; on the way, he works with the MPEG SC29/WG11 sub-committee workgroup and contributed to the update of ISO/IEC 14496-22:2017 .
There is about 3 years of not-yet published or concluded research work on copy numbers and genetics of auto-immune diseases, ocular diseases, neuro-degenerative diseases and Illumina Genome Studio technology, which he hopes to finish or conclude at some point.