Our People
The in-house team at SEI brings the investment, development, operational and technological experience your project needs to deliver optimal energy efficiency and business reassurance.
Graham Matthews
SEI Director
Founding shareholder and Chief Executive of Whitehelm Capital, Graham joined the team in 1998 and started the firm’s infrastructure business at the time when private ownership of public infrastructure began to garner increasing popularity and success across the globe.
Graham led the development of the firm’s investment philosophy, and its world-wide asset acquisitions and disposals and has been instrumental in delivering improved operational and financial performance through active asset management. Graham championed Whitehelm Capital’s responsible investment ethos and led the firm to be a signatory to the United Nations backed Principles for Responsible Investing (UNPRI) and a member of GRESB infrastructure. Following Whitehelm Capitals merger with PATRIZIA in 2022, Graham now serves as PATRIZIA’s CEO of Infrastructure.
Saji Anantakrishnan
SEI Director
Saji was also a member of Whitehelm Capital's team since its inception, Saji played a leading, senior-level role in most of Whitehelm Capital's infrastructure acquisitions. Saji’s impressive experience in the sector includes corporate finance roles at Deutsche Bank in Sydney and EDS in Asia, and a management consultant position with Anderson Consulting.
Saji is presently PATRIZIA’s Head of Australia and Asia and leads the firm’s activities in the region.
Scott Thomas
SEI Director
Bringing extensive experience within the energy industry, the origins of Scott’s unique skill set can be traced back to the formative years of his career in hands-on frontline technical service roles, and then honed through his involvement in the introduction of competition in Australia’s energy industry.
His success has been built from a deep understanding of customers, market innovation, proven delivery and the ability to unite teams through the development and execution of strategy. Scott is presently responsible for all aspects of the power generation business across Australia and New Zealand for one of the nation’s largest energy companies.
Justin Parker
SEI National Manager
Justin is an experienced manager and business leader with more than 25 years’ experience in the energy industry. Across his career, Justin has managed entire businesses as well as individual business units, teams and facilities from start-up and development, to operations, acquisition, and divestment.
This has provided him with broad exposure and understanding of energy markets, PPA’s, EPC arrangements, regulatory and licensing requirements, safety obligations, and contract negotiations. Justin’s formal gas, electrical and Project Management qualifications have provided a solid foundation for judiciously steering the business, and his experience has equipped him with the knowledge and insights to understand and negotiate all facets of the energy industry including power generation, solar, battery storage, co-generation, biomass, biogas, CNG as well as combustion and environmental efficiencies. As General Manager, Justin is committed to an inclusive work environment and is passionate about taking all employees on the business growth journey.
Damian Zwiersen
Asset Manager
Project and Business Manager with 10 years of experience in the renewable energy sector and a further 20 years of experience in heavy plant and machinery maintenance and management. Trade and tertiary qualifications provide a sound background to Project Management along with broad experience in asset construction and management.
Passionate about helping Australia transition to a more sustainable energy future utilising renewable technologies and energy storage solutions.
Simon Wood
Asset Manager
Simon has over 20 years’ experience within the industrial gas and steam industry, with co-generation plants playing a major role in his career. He has formal gas, electrical and steam qualifications, and proactively remains up-to-date with emerging renewable energy technologies.
An important aspect in Simon’s impressive track record as an asset manager, is his focus on ensuring that sites operate as efficiently as possible, and to this end, he is constantly on the look-out for new and improved processes that may assist in better outcomes. Ongoing long-term relationships are key to a strong business, and Simon has been able to maintain solid and trusted client connections throughout his extensive career in this industry.
John Van Lierop
Operations Manager
Bringing an exceptional depth of maintenance and management knowledge to the team, John’s experience working in the heavy industry sector spans more than 20 years.
Throughout his career, he has managed, implemented and developed numerous projects that have successfully increased the reliability of assets, effectively and within budget. In addition to his electrical focus, John has a wide range of expertise in mining, refining and smelting, process control, and lean principles, and has a knack for combining efficiency with a ‘can do’ attitude to reach key milestones. Much of John’s enthusiasm stems from his keen interest in contributing to Australia’s renewable energy space and support the generations to come.
