Mark Mazzarella serves as the Head of Real Estate Securities at Dexus, a position he has held since Dexus's acquisition of APN in August 2021. He initially joined APN in June 2014, where he was a key member of the Investment Team responsible for analyzing and investing in real estate securities on a global scale.

Before his tenure at APN, Mazzarella spent four and a half years at Ernst & Young as a Senior Consultant.