MaSOConductors Published October 18, 2014 at 640 × 360 in Gallery MaSO Conductors at 50th Anniversary Concert: Alfred Artingstall, Frank Pam, Willem van der Vis, Geoff Conrau, Roland Yeung Click to see details Former conductors of the Maroondah Symphony Orchestra with the present conductor, Willem van der Vis, after the 50th Anniversary Concert on 17th August 2014 at George Wood Performing Arts Centre.