Responsible for the growth and strategic direction of SMA in Australia and driving customer centricity.

Australia Management Team

Managing Director Australia and Regional Manager APAC

Doris Spielthenner

Doris Spielthenner joins SMA Australia from senior management positions across APAC, Europe and US.

Doris is passionate about building and growing products and businesses, with strong leadership across B2B and B2C. She is a dynamic, results-focused leader with a top tier consulting background and strong planning and execution experience. She is also the co-founder of a global software business.

Director Large Scale & Project Solutions, Australia

Joshua Birmingham

Joshua Birmingham heads the Large Scale and Projects Solutions team for the Australian market which includes approximately 40 people covering sales, engineering, grid connection, project management and service. Josh has been with SMA since 2018, previously being responsible for APAC large-scale strategy and the project sales team.

Prior to joining SMA, Josh worked in project development across multiple technologies including wind, solar and biomass, both in Australia and Europe. Josh started his career as a lawyer, focusing on renewable energy policy and commercial litigation.

Josh is passionate about driving positive change, working together with SMA’s partners to bring about a transition to a reliable, non-synchronous grid powered by renewable energy.

Director Home, Commercial & Industrial, Australia

Patrick Duignan

Patrick Duignan heads the Home, C&I team for the Australian market which focuses on solutions from residential systems for the home to more complex and tailored solutions for businesses.

Pat has over 10 years of experience in the Solar and renewable energy industry and has been in senior roles for module, inverter and battery storage companies during that time. Pat has a strong focus on developing strong authentic relationships with key partners in the solar market with the goal to have mutually beneficial outcomes.

Director Finance, APAC

Shannon Fullarton

As the Head of the APAC finance department, Shannon is responsible for the management of finance, contracts, business operations, and logistics.

Shannon is a highly skilled professional with a proven track record in change management and leading highly successful teams. 

Shannon has a passion for nature and the environment and grew up in one of Australia’s first solar houses designed and built by her father. As a Chartered Accountant, Shannon graduated from Australian National University with a Bachelor of Engineering (Hons) and Bachelor of Commerce.