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Paul Sieczkowski | Colliers | Phoenix

Paul Sieczkowski


Senior Executive Vice-President

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Professional Summary

As a senior executive vice president with Colliers, Paul Sieczkowski has been negotiating industrial real estate transactions in the Phoenix area since 1986. He leads a top-producing industrial team that includes Justin Sieczkowski, senior associate; and Mallory Wayne, associate.

Paul and his team specialize in the sale and lease of industrial facilities; land sales to developers and users; build-to-suit facilities for sale or lease; and the sale of single and multi-tenant industrial facilities (investment properties).

A native Arizonan, Paul has extensive local market knowledge and has experienced many market fluctuations in his more than 34 years in the industry. He has a thorough understanding of current conditions and future trends and recognizes that timing is a key factor in real estate decision making and profitability.

Paul maintains excellent relationships with both landlords and users. He is a strong negotiator who focuses on maximizing value for his clients and takes pride in their success. Throughout his career, he has successfully negotiated more than 1,500 sale and lease transactions on behalf of his clients.


  • Ranked by Colliers | Arizona as a Top 10 Producer for decades
  • Ranked as the #1 Industrial Producer 15 times, so far in his career
  • Qualified for Colliers' Everest Club numerous times throughout his career, recognizing the Top 10% of  Revenue Producers in the Americas for Colliers
  • Member of SIOR (Society of Industrial and Office Realtors®) since 2001
  • During his career, Paul has represented clients in transactions ranging from 500 square feet to over 500,000 square feet, including over 1,500 acres of land sales to both developers and users


  • Bachelor of Science, Business Administration, Arizona State University

Memberships & Involvements

  • Society of Industrial and Office Realtors® (SIOR)
  • NAIOP, the Commercial Real  Estate Development Association
  • National Association of Realtors (NAR)


  • The Rockefeller Group Development Corporation
  • Irgens Development
  • EastGroup Properties
  • Snapple Beverage Company
  • Kennedy Associates
  • Buzz Oates
  • Disney Corporation
  • Triumph Corporation


“I’ve known the Colliers industrial team for more than 30 years. They have great market knowledge, deliver exceptional service and consistently look out for their clients’ best interests. The bottom line is I can trust them. That’s why they will continue to handle The Rockefeller Group’s acquisition and leasing for many years to come.”—Thomas E. McCormick, SIOR, Rockefeller Group Development Corporation

“I’ve had several opportunities to work with Paul during the past 30 years. In every instance he provided professionalism, hard work, an understanding of the assignment, a commitment to the client’s needs, and results.”—Barry Bartle, President, Stockdale Management, LLC



Land Sales, Distribution, Warehouses

Service Lines

Landlord Representation, Tenant Representation, Capital Markets

Property Type

Industrial, Land

My Team

Featured Research

Jul 13, 2021

2021 Q2 Greater Phoenix Industrial Market Report

The Greater Phoenix Industrial market is more active than at any time in its history, posting 5.8 million square feet of positive net absorption during Q2 2021. This marks the ninth consecutive quarter of more than 1,000,000 square feet of positive net absorption.
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Apr 16, 2021

2021 Q1 Greater Phoenix Industrial Market Report

The Greater Phoenix industrial market for Q1 2021 saw rental rates continue to climb, increasing over 8% year-over-year. Vacancy decreased 80 bps over-the-quarter, while delivering 2.9 MSF, illustrating very strong tenant activity. Product under construction has reach an all-time high and more is in the pipeline.
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Jan 15, 2021

2020 Q4 Greater Phoenix Industrial Market Report

The Greater Phoenix industrial market ended the year with the highest YTD absorption ever witnessed at 13.9 MSF, with net absorption exceeding 7 MSF in the fourth quarter. Under construction decreased 2.2 MSF feet from third quarter to 7 MSF. We delivered 6.5 MSF of new product in Q4.
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Featured News

Aug 24, 2021

Colliers fully pre-leases Gilbert Crossroads Business Park

Colliers in Arizona completed the leasing of award-winning Gilbert Crossroads Business Park, signing ten diverse industrial tenants before construction completion.
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Jul 15, 2021

Metro Phoenix breaks record for industrial construction

Arizona’s economy is booming and experiencing record revenue and personal income growth. From 2019-2020 Arizona led the nation (tied with Montana) in the category of largest personal income growth.
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