Executive Team

David Briffa

Managing Director

David is an innovative leader and proven business builder, with 30 + years extensive experience across a diverse group of industries.
David identified the CTI opportunity whilst consulting in the Hotel and Resort industry and has spent the last 15 years developing on this experience. His last 8 years as seen him consolidate his expertise in the sustainability and CleanTech Infrastructure space to be recognised as a market leader.
David has a Bachelor of Business and post-graduate qualifications with CPA Australia, the Australian Institute of Banking & Finance and a Diploma in Hospitality Management.

Scott Cunningham

General Manager,

Behind The Meter Energy

With a background in Medical Technology and Science, Scott has a lifelong interest in renewable energy and sustainability. Over the past 22 years, he has held various Business Development and Senior Management positions, demonstrating his expertise in driving growth and leading teams. In 2022, Scott successfully transitioned to the Renewable Energy sector, where he continues to make significant contributions.

Tony Guant

General Manager

Tony has 40 years financial services experience across many industry sectors, locations and market segments in project, infrastructure, structured, property and equipment financing, international trade, equity trading and FX, interest and commodity risk management. Diverse leadership and operative roles in various Australian banks (majors and 2nd tier) plus a 2-year stint in PNG. Skilled in end to end management of projects, transactions and operations.

Nathan Fielder

Chief Financial Officer

Nathan has more than 20 years of extensive multi-industry financial leadership experience in private and listed companies encompassing all facets of financial reporting and control, planning and analysis, risk management, governance, treasury and M&A activities across Asia Pacific.
Nathan is a Graduate of the Australian Institute of Company Directors, has a Masters Degree in Business Administration from the University of Western Australia, a Bachelor of Commerce from the University of South Australia, and has been a Chartered Accountant since 2002.