Clarence has built a strong career in IT, with deep expertise in infrastructure, cybersecurity, and cloud technologies. His passion for teaching began as Head of the IT Academic Department at Raffles Education Centre, where he trained students in IT Security, Java programming, and MCSE, while earning certifications such as Microsoft Certified Trainer (MCT) and Certified Ethical Hacker (CEH). Professionally, he has led major projects in data centers, cybersecurity, and cloud platforms across organizations like ST Engineering, ST Electronics, NEC, and NUS’s National Cybersecurity Lab. Currently an ACTA-certified trainer at FirstCom Academy, Clarence continues to expand his skills in Azure AI. He is passionate about teaching effective AI prompts and inspiring students to apply practical AI prompt engineering in their workplace.