Partner / Managing Broker  | 720-933-9411

As partner and managing broker of Tributary Real Estate, Andy Cullen offers nearly two decades of experience in commercial real estate. Andy leads Tributary’s integrated brokerage and investment strategy, supporting the success of the team in delivering positive results for clients through a personalized service model.

Andy is passionate about delivering results that make him a long-term asset to his clients.  His attention to detail and ability to create leverage and flexibility have earned him the trust and repeat business of clients. Andy has formed longstanding relationships with clients including American Financing, one of Colorado’s largest privately held mortgage companies and a client of 15 years; Moody Insurance Agency, a client of 14 years and the second-largest private insurer in Colorado; and Big Brothers Big Sisters of Colorado, which has worked with Andy for 15 years, during which time he has guided two relocations and multiple lease renewals. Previously, Andy served as a senior vice president at JLL where he specialized in assisting clients with strategic real estate planning, lease administration, disposition, relocation, and portfolio management.

A proud Ram, Andy earned his bachelor’s degree from Colorado State University and went on to earn his MBA from Regis University in Denver. Andy is an active leader in the commercial real estate industry, serving on the Board of Governors for the Metro Denver Economic Development Corporation and as a member of the National Association of Industrial and Office Properties and the Denver Metro Commercial Association of REALTORS.

An active community leader, Andy currently serves as a board member with Big Brothers Big Sisters of Colorado, and previously served on Goodwill Industries of Denver’s Leadership Partners Council and Mile High United Way’s Emerging Leaders Council. When Andy is not working with clients, you’ll find him spending time with his wife and two daughters, volunteering as a big brother in the Big Brothers Big Sisters Mentor 2.0 program, mountain biking or skiing.