Executive management

Barangaroo South, NSW, Lendlease 6 Star Green Star - Communities Pilot v0.2.

Working towards a sustainable built environment

Our Executive management team are made up of professionals with a wide range of industry experience – brought together by shared values and commitment to improving our built environment.

Executive Team

Jorge Chapa

Head of Market Transformation

Jorge ensures that our strategic priorities, partnerships, and product and services, including Green Star, accelerate the transformation of Australia’s built environment – delivering more livable, resilient, and sustainable places for everyone.

Jorge has an architecture degree from the University of Monterrey in Mexico and a Masters in Design Science from the University of Sydney.

Lucy Harris

Head of Industry Development & Communications

Lucy is responsible for leading the strategic direction of our events, professional development, corporate partnerships and industry engagement through our marketing and communications activities.

Lucy has over 18 years of experience running various business units within Informa group, in Australia and the UK. In this time she was responsible for the strategic focus and commercial performance of each business unit including product development of a wide range of events and courses globally.

Lynne Harman

Legal Counsel & Company Secretary

Lynne supports our governance and legal responsibilities. Her role includes ensuring the conduct of board meetings and compliance with the our Constitution and statutory requirements.

Lynne has a BA LLM from the University of Sydney and worked at the commercial law firm, Allens for 20 years. She is also a Graduate of the Australian Institute of Company Directors.

Stephen Thatcher

Head of Finance & Operations

Stephen is responsible for our financial management and general operations – from preparing the annual budget through to completion of the organisation's annual financial report.

Stephen has more than 15 years' experience working within the commercial property sector in Australia having previously been with one of Australia's leading project management firms.

Jeff Oatman

Head of Collaboration & Membership

Jeff is responsible for ensuring high levels of satisfaction and engagement across the GBCA's broad member base of members across the country. This includes raising awareness of GBCA activities and working with members to engage most effectively in this. He also sits on the World Green Building Council's Asia Pacific Network Advisory Board.