Gilli is co-founder of the Columbus Retail Team and along with Andrew White, leads the team's efforts in both business development and client representation. Gilli aids clients in both tenant & landlord representation along with purchase and dispositions of retail assets. Gilli has held various retail leasing positions over the course of his career; he was the regional leasing manager at RPT Realty (formerly Ramco Gershenson Property Trust) where his primary role was leasing a multi-state territory consisting of over 2.8 million SF of retail property. His vast experience working at a REIT curated his abilities to work on strategic planning of short and long-term shopping center redevelopments. Gilli is multi-year recipient of CoStar's Power Broker of the Year in 2019, 2020 & 2021 along with many Quarterly Power Broker Awards including the first, second and third quarters of 2024.

Gilli obtained his Bachelor of Science at Indiana University.