Ir W K Pun is the current Head of the Geotechnical Engineering Office of the Civil Engineering and Development Department. He graduated from The University of Hong Kong in 1983, and obtained his Master degree from the Imperial College of Science and Technology of London University in 1990. Ir Pun joined the Hong Kong Government upon graduation and has worked in the GEO for over 30 years. Over the years, he has participated in different areas of work including geotechnical control, setting of geotechnical standards, forensic landslide investigation, management of slope upgrading and mitigation works projects, and rock cavern and underground space development studies. He was the Chairman of the Geotechnical Division of the Hong Kong Institution of Engineers in year 2009/10. He had also served as the Vice President of the Hong Kong Geotechnical Society and member of several Technical Committees of the International Society of Soil Mechanics and Geotechnical Engineering.