Frontier Touring Leadership Team (L-R): Marshall Nu, Matt Gudinski, Reegan Stark, Andrew Spencer, Dion Brant, Gerard Schlaghecke, Susan Heymann, Adam Wilkes, Michael Chugg Frontier Touring, which is part of the Australian music and entertainment collective Mushroom Group, and AEG Presents have announced a new executive and leadership structure for the Australasian concert promoter. Frontier’s executive …