Tim Marks

Tim Marks

Tim Marks attended Monash University, Melbourne graduating with a Bachelor of Mechanical Engineering (Hons). After working with Vipac for a period of four years, Tim spent one year in the UK completing a Master of Science in Sound and Vibration at Southampton University. On his return to Australia Tim held the position of General Manager at BTR Nylex Group & BTR Silentflo for five years before becoming Managing Director of NAP Silentflo, a position he held until the business was sold. Tim has been a Director and Associate Director of Marshall Day Acoustics since 1996.

Tim has been active in all areas of industrial noise assessment (process plants, power stations and general industry), vibration assessment and control (structural, human and dynamic) and a wide range of environmental acoustics, including road, rail, aircraft and EIS planning noise impact assessment, panel and tribunal hearings and presenting Expert evidence in Court and at Arbitration.

Qualifications & Memberships

  • MIE Member Institution of Engineers, Australia
  • CPEng Chartered Professional Engineer, Reg No 144303
  • MAAS Member of the Australian Acoustical Society
  • AAAC MDA representative (Former Chairman)


Melbourne, Hong Kong


+61 3 9416 1855