David Kollar

David Kollar

Vice President of Construction & Development
Stream Phoenix

2398 E. Camelback Road
Suite 230
Phoenix, AZ 85016

Proven Performance

Professional Experience

David Kollar serves as Vice President of Construction & Development in Stream’s Phoenix office. David is responsible for a range of services including workplace strategy, site selection, project development, plus tenant improvement, and build-to-suit construction projects in Phoenix as well as other markets including Arizona, California, Oregon, Washington, Nevada, Ohio, and Pennsylvania.

Before joining Stream, David was a Director and Senior Project Manager with Savills, and prior to Savills, he worked as a Project Manager for JLL and an Architectural Associate for Los Angeles-based Armet Davis Newlove Architects.

David currently serves on the City of Phoenix Village Planning Committee, providing guidance on zoning and city planning issues. He enjoys using his background in design and construction to enhance the Phoenix community and to provide guidance to City Council.

Clients Represented

David has ten years of experience in the design and construction industry—spanning over a multitude of industries and asset types including the following.

Life Science – Arizona’s life science and healthcare industry is among the fastest-growing and most innovative in the nation. David has overseen the design and construction of projects ranging from office medical centers to highly specialized laboratories. Drawing on his experience and relationships with the industry’s most qualified project consultants, David has delivered highly efficient space to meet the most demanding project requirements.

Office – Arizona is projected to add more than 700,000 jobs by 2030, according to Arizona’s Office of Economic Opportunity (OEO). David has managed over 1,000,000 square feet of office projects including 136-acre business campus improvement, high-rise & mid-rise tenant improvements, and full building decommission. David, who also serves as the head of workplace strategy for Stream, focuses on finding opportunities to improve the employee experience in his projects.

Industrial – David oversees all industrial development and construction based out of Stream’s Phoenix office, and recently completed over 300,000 square feet of industrial building projects in Arizona to contribute to the ever-increasing market demand for more industrial supply. David offers the highest quality of development services and continues to increase his knowledge base by attending Georgetown University’s Master of Real Estate program.


  • Master of Real Estate – Georgetown University
  • Bachelor of Architecture – Kent State University
  • Minor of Construction Management – Kent State University

Affiliations & Designations

  • American Institute of Architects (AIA) Associate Member
  • American Planning Association (APA)
  • Urban Land Institute (ULI)
  • National Association for Industrial and Office Parks (NAIOP)