Our team

Mark van Wyk


Executive Director

A seasoned business leader and multi-skilled project delivery professional with more than 3 decades of global experience across several industry sectors. As a business leader Mark gained valuable experience within the senior leadership teams of the listed entities Farsands Corporation, Stockland, Coffey International, Ausenco, Spotless and Firstrand. He has held several executive and non-executive director roles in listed and private companies as well as non-for-profit organisations. From a project delivery perspective Mark has been involved in master planning and land development, infrastructure development (trunk infrastructure, bridges, roads and lakes), built form development (including residential, commercial, industrial, retail, health, education, hotels and entertainment and retirement) as well as mine development (coal, gold, uranium, copper and mineral sands).

Estelle van Wyk

B. Juris, LL.B

Business Operations Manager

A qualified lawyer who in private practice specialised in all aspects of business and property law. Estelle was admitted to practice law by both the New South Wales and Queensland Law Societies. Within Blue Square Group Estelle coordinates and overseas the day to day functioning of business operations including budgeting and finance, accounts payable and accounts receivable, quality assurance, customer relationship and key account management, statutory compliance and corporate legal services. Estelle also provides contract administration support to Blue Square Group’s portfolio of projects, assignments and services.

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