JHA Consulting Engineers | Directors Alex HoleMarch 20, 2018 Jim HatzimanolisMarch 10, 2017 Barry MartinMarch 10, 2017 Marc EstimadaMarch 10, 2017 Hadi JalghaMarch 10, 2017 Tian SongMarch 10, 2017 Diego MontelvereMarch 10, 2017 Brenton BurrowsMarch 9, 2017 JHA Consulting Engineers | Associates & Group Managers Alex Troyak (Associate)April 6, 2021 Alex Frew (Audio Visual Technology Group Manager)April 6, 2021 Helen Li (Associate)March 10, 2020 Boris Skapik (Associate)January 14, 2020 Shane Thompson (Associate)January 14, 2020 Tim Prideaux (Associate)January 14, 2019 Nathaniel Siely (Group Manager)January 14, 2019 Lawrence Yu (ESD Group Manager)December 5, 2018 John Unsworth (Melbourne Office Manager)November 20, 2018 Kosma Tzannes (Senior Associate)August 14, 2018 Kishan Chand (Associate)May 9, 2018 Mathew MacIntyre (Associate)May 9, 2018 Mathew McGrory (Acoustics Group Manager)February 13, 2018 Robert Armitage (Senior Associate)March 10, 2017 George Petropoulos (VT Group Manager)March 9, 2017 Con Serban (Associate)March 9, 2017
