Sheng completed a Bachelor of Pharmacy at The University of Sydney in 2012 and subsequently went on to complete a Doctor of Dental Medicine (The University of Sydney) in 2016. Between 2017 and 2020, Sheng worked as a general dentist, before pursuing specialist periodontics training at The University of Queensland, which he completed in 2023. Sheng was also awarded a Certificate in Periodontology by the European Federation of Periodontology, meeting international standards and requirements in terms of clinical performance and scientific proficiency. More recently, Sheng was a finalist in the international MegaMind presentation competition in 2024.
As well as working in private practice at Brisbane City Periodontics and Implants, Sheng currently works part-time as an associate lecturer in Periodontology at The University of Queensland.