Guillermo joined Campbell Lutyens in 2018, prior to which he was a Managing Director with Macquarie Infrastructure & Real Assets in Chicago, where he was responsible for institutional investor coverage in the Americas, product development and project management. Prior to Macquarie, he worked in debt capital markets with Lehman Brothers, JPMorgan and Bank of New York.

Guillermo earned his MBA from The Wharton School of Business at the University of Pennsylvania and a Bachelor of Arts in Economics from Columbia College at Columbia University.