ProLease is the product of collaboration between Gary Unger, former Global Director of Facilities for American Express, and Alan Bushell, creator of ProCalc lease analysis software. Combining over 70 years of industry experience, they created a comprehensive platform that covers every stage of the real estate life cycle. 

Over the past two decades, Gary and Alan have expanded ProLease with accounting and facilities management capabilities, all backed by a global support staff. Today, the ProLease professional services team supports over 700 customers and 30,000 users worldwide.

Our Executive Team

Gary Unger

Co-Founder, Chairman

Alan Bushell

Co-Founder, CEO

Susan Wall

Chief Financial Officer

John Unger

Principal, Accounts

Bruce Bushell

Principal, Customer Support

Larry Lazerwitz

Managing Director, Technical Accounting

Tony Famularo

Managing Director, Technical Accounting

Philip Lehrman

Managing Director, Accounts

Senior Advisor

Bill Bosco

Principal, Leasing 101


Inc. 5000

2016 and 2015

Fastest growing private
companies in the United States


Marcum Tech Top 40


Growth and revenue recognition
by CTC and Marcum LLP


CQIA Innovation Prize


Gold medal for innovating
competitive positioning approach

Giving Back

ProLease is proud to support the Waterside School in Stamford, an independent Pre-K to 5th grade school that provides rigorous academic and moral education to disadvantaged children. ProLease also supports organizations including the March of Dimes, Project Return, and regional programs promoting technology in education.