Wah Hoon Siew is a professional engineer (registered in the UK) with more than 30 years of teaching, research, and consultancy experience in the field of electronic and electrical engineering. During this period, he has worked with UK and overseas organisations on various projects related to lightning protection, large-system electromagnetic compatibility, and electrical plant monitoring and diagnostics. He is also very active in the activities of CIGRE and was the convener of C4.208 and C4.30. Additionally, he represents the UK in the standards maintenance of IEC61400-24. Since January 2023, he has been an honorary research professor.