Our Team

Mark Williamson

Chief Executive Officer

Mark Williamson joined Trilogy Services in February 2013 as General Manager of Business Development and was appointed to the position of Chief Executive Officer in October 2013. He brings with him over 20 years of industry experience, having held senior leadership positions most recently at Haden, Chubb and McAlpineHussman.

Mark is responsible for strategically developing the business to achieve growth and profitability. He possesses skills across a diverse range of areas encompassing engineering, construction, operations, sales and marketing, and industrial services with extensive experience in local and overseas markets, most notably the US.

Mark has completed the Entrepreneurial General Manager Program (Duke University, USA) and holds certificates in Electrical Engineering and Business Management.

Bronwyn Cockrum

Human Resources Business Partner

Bronwyn Cockrum joined Trilogy Services in November 2012 as a Human Resources Business Partner and has extensive experience in executive human resources roles. Prior to joining Trilogy Services, Bronwyn worked with businesses such as Johnson Controls, Bridge stone Australia, Santos and Hills Industries.

Her career and expertise includes people strategy, operations management, change management, building organizational capability, policy development and workplace relations.