Alex Giarratano, Vice President, is based in Marathon Capital’s Chicago office. He is responsible for executing M&A and capital raise engagements in the renewable energy and power sectors, conducting due diligence, and supporting Marathon Capital’s relationship management responsibilities.​

Since joining Marathon Capital in 2022, Alex has advised on a range of M&A and capital raising transactions across the renewable energy, power, and broader energy transition space. Notable transactions include the sale of upper-tier tax equity partnership interests in a 3.2 GW portfolio of operating wind projects across the U.S., the sale of an 80% stake in EDPR’s sponsor equity interests in a 340 MWac portfolio of solar and storage projects in Texas and Ohio to Plenitude, and Nestlé’s tax equity investments in Enel’s Stampede and Ganado solar + storage projects in Texas.​

Prior to joining Marathon, Alex held several roles at ERCOT where he assessed the economic and reliability impacts of system operations and regulatory changes in the wholesale electricity market.​

Alex received his MBA from the McCombs School of Business at the University of Texas at Austin. He also holds both an MS and BS in Electrical Engineering from Clarkson University, with a concentration in Power Systems. He holds Series 63 and 79 licenses.​