ESIA Board & Exec

Board

Ric Brazzale, President

Ric Brazzale (B Comm, MBA) (previous ESIA Treasurer since inception) is co-founder and chairman of Green Energy Group including Green Energy Trading, Green Energy Markets and National Carbon Bank of Australia. Ric is president of the Renewable Energy Certificates REC Agents Association and was executive director of the Business Council of Sustainable Energy, the forerunner to the Clean Energy Council. Ric has participated in all state Governments’ initial advisory committees or processes for the development of energy savings schemes and has participated in federal advisory committees in relation to energy efficiency. Ric has more than 30 years of energy sector experience including a range of senior roles within private energy sector and infrastructure companies. Ric was inducted to the Australian Solar Council Hall of Fame in 2016.

Hamish McGovern, Vice President

Hamish McGovern (BE Elec, BSc, MBA) (an ESIA past-President) is Managing Director of Northmore Gordon, a commercial and industrial certificate aggregator under the Australian ERF and RET and state-based VEU and ESS, as well as international REC programs. Northmore Gordon also provides engineering consultancy that helps large businesses to decarbonise through electrification and renewable heat and reduce their energy use. Hamish has worked in energy efficiency since 2011 and participates in energy savings scheme stakeholder engagement and strategy initiatives. Hamish has a deep understanding of program methods as well as regulations and compliance requirements. Prior to Northmore Gordon, Hamish spent 20 years building enterprise IT & ICT solutions working in software development, IT infrastructure, sales, marketing and product management and studied AI.

Leigh Simpson, Secretary

Leigh Simpson (BBus) is a Director of Echelon West which partners with founders and management teams to accelerate growth, solve complex problems, and deliver commercial outcomes in regulated markets, including energy efficiency. Leigh has worked in the energy sector for more than a decade and is a regular contributor to working groups and program consultations. His focus is on strengthening certificate programs, supporting genuine abatement, and fostering meaningful industry engagement. Before founding Echelon West in 2025, Leigh provided management consulting services through Lakin Environmental for several years. He previously led an AP/ACP company supporting large commercial clients with energy efficiency upgrades across Victoria and New South Wales. Leigh takes a particular interest in the VEU and ESS programs, especially in the development of new activities. His efforts are directed at ensuring these activities create practical opportunities for ESIA members, APs and ACPs, energy service companies, and product manufacturers.

Tania Oldaker, Assistant Secretary

Tania Oldaker is Chief Operations Officer at Ecovantage and is responsible for the organisation’s national compliance, human resource management, finance, Information and technology, legal and contractual management, health and safety, governance and risk. With more than 20 years’ experience in general management and C-suite roles, Tania has specialised in areas of commercial operations, strategic planning and business growth in small, medium and large businesses, private enterprise, and corporate publicly listed organisations. On a day-to-day basis, Tania is primarily involved in the VEU, ESS and PDRS schemes and has an understanding of the RET and ERF. Prior to entering the energy industry, Tania performed key roles in vastly different industries such as digital health (technology strategy, design, development, deployment and support) and onshore manufacturing (operations, procurement, importing / exporting, transport, after sales warranty / support and ISO accreditation). Formally a director on the board of the Medical Software Industry Association, Tania has served to represent digital health vendors in a heavily regulated industry, underpinned by antiquated standards and proprietary solutions to work with the Australian Digital Health Agency on open standards that supported interoperable solutions, helping to connect the health records of Australians and transmit health information seamlessly. Tania has served on the ESIA Board during 2025 as Assistant Secretary. Tania's academic achievements include a Bachelor of Applied Management, Advanced Diploma of Applied Management, Diploma's in Legal Practice - Contract Law, Human Resource Management and International Trade, a Certificate III in Quality Assurance – Internal Auditor and is certified in OH&S Return to Work Coordination.

Stuart Edgley, Board member

Stuart Edgley is the Managing Director and Founder of Emerald Group, a diversified entity that includes Emerald Energy (product wholesaler) and Creditex (certificate creation services). Since establishing Emerald Group in 2006, Stuart has guided the company to become one of the largest and most successful suppliers of products across national and state-based energy-efficiency schemes in Australia. Under his leadership, the company has successfully designed, manufactured, and distributed a wide range of energy-efficient products, ensuring quality outcomes for both customers and end-users. Stuart and his team possess extensive experience and deep knowledge of all National & state-based energy efficiency schemes, as well as deep knowledge of markets outside of these schemes. This comprehensive understanding of Australia's energy-efficiency markets, product installation processes, compliance requirements, and evolving customer needs, positions him as an authority in the sector. His expertise enables him to provide a balanced and informed national perspective on energy efficiency, making him a valuable representative for organizations such as the ESIA.

Jens Mozer, Board Member

Jens Mozer (BEng (Mech), MIEAust, CMVP, CEM, PMVA) is a Director and the Head of Advisory at EC Focus Pty Ltd, a trusted provider of energy, water, and waste management services to Australia’s commercial and industrial sectors. As well as a qualified mechanical engineer and licensed air conditioning and refrigeration technician, Jens is also an approved Measurement &Verification Professional (MVP) under the NSW Energy Savings Scheme (ESS) and Victorian Energy Upgrades (VEU) program, as well as an accredited NABERS assessor. Jens graduated from Rotterdam University of Applied Sciences and began his career at Cummins Holland before relocating to Australiain2009. He worked as an energy consultant from 2010 and joined EC Focus in 2013, where he now oversees the company’s Advisory and Measurement & Verification functions, including project-based activities in the various incentive programs, as well as professional services in energy audits, climate transition, performance ratings, and energy management systems. Jens is a member of the Institute of Engineers Australia, the Association of Energy Engineers (USA), and the Efficiency Valuation Organization, and is an Associate Auditor (IRCA) for ISO50001:2018Energy Management Systems.

Mahsa Sistani, Board Member

Mahsa Sistani (B Eng Civil, CMVP) is Chief Operating Officer at Electric Future Sustainability Services, an ARENA-supported Australian startup that supports customers' transition to a low carbon economy. Mahsa previously held senior management positions at Ecovantage, most recently as national compliance and operations manager. As an employee of two ACP/AP ESIA member businesses since 2012, Mahsa has many years of expertise in energy savings schemes across Australia. Mahsa has a deep knowledge of the ESS, PDRS, REPS, VEU and SRES and works closely with scheme administrators and policy makers representing the needs of industry. Mahsa frequently provides first-mover insights into emerging opportunities and challenges in the programs. Before her work in Australia, Mahsa spent 10 years in Iran designing hydro power projects as a civil engineer. Mahsa's deep technical expertise, commercial acumen, open approach to others in the industry, and drive to speak up and troubleshoot to champion better ways of doing things make her an invaluable board member and proactive participant in ESIA initiatives.

Non-Board

Ben Henderson, Treasurer

Ben Henderson (B Comm), previous ESIA Board Member and Secretary for eight years, is the Chief Executive Officer and Director of Microgrid Power Group and non-executive Director of Next Green Group. Ben was co-founder and for over a decade was Chief Executive Officer of The Green Guys Group and subsidiaries including OptiTech International and GreenForms Trading. Ben has been involved in energy savings schemes since 2010 participating in many stakeholder engagements for the ESS, PDRS, VEU and REPS and has engaged in the ERF. Ben's expertise and entrepreneurship includes delivering energy efficiency, renewables, power purchasing agreements and development of micro-grid solutions. Through the development of unique and vertically integrated solutions, Ben has overseen delivery of projects across more than 8,000 sites nationally.

Jessica Lynch, Executive Director

Jessica Lynch (BBusComn, GAICD) is Executive Director of the Energy Savings Industry Association, responsible for general management of the Association and operationalising strategy: mobilising advocacy including policy and regulatory affairs, stakeholder engagement regularly facilitating member and stakeholder meetings, brainstorm sessions and consultation participation, member services and media. Jessica represents the ESIA on the VEU program strategy review stakeholder reference group, the national hot water heat pump roadmap industry consultative group, the national equipment energy efficiency review committee, various roundtables, and facilitated the NSW ESS M&V technical workshop series to unlock upgrade opportunities for commercial and industrial energy users, and participated in the Victorian government COVID-19 construction industry consultation group to keep upgrades going where safe during the pandemic. Jessica engages with the national energy performance strategy federal government team and the policy makers and regulators of the two largest energy efficiency schemes in Australia. Jessica has decades of experience in strategy, advocacy, communications and stakeholder engagement working as part of leadership and multi-disciplinary teams and diverse businesses. Jessica has worked with industry associations, blue chips, governments and authorities, small-to-medium enterprises, not-for-profits and start-up projects. She has worked with the ESIA Board since 2015 after the VEU and ESS were expanded and has worked in energy, energy efficiency and sustainability periodically for more than 25 years. Jessica is the editor of the ESIA Bulletin and ESIA publications. Prior, Jessica was founding editor of EcoGeneration Magazine launched when the RET was legislated in 2000, when she was working with the Australian Cogeneration Association rebranded Australian EcoGeneration Association, forerunners to the Business Council of Sustainable Energy and the Clean Energy Council.