Paul Brucke, PECEO & Principal Engineer (US) Paul Brucke is a solar PV system design and engineering expert with over 20 years of electrical engineering experience. In 2016, Paul founded Brucke Engineering PLLC (now Solphi Engineering PLLC). Ross Green, P.EngPresident & Principal Engineer (Canada) As Principal Engineer Ross has designed renewable energy systems from utility scale solar farms to MW scale battery energy storage systems to remote multi-resource microgrids and everything in between. Nate PrestonVice President Nate is a demonstrated leader with extensive experience supporting finance and M&A activities for utility scale and C&I solar and storage portfolios across North America.