As a senior associate with Colliers, Justin Sieczkowski specializes 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).
He is a member of the top-producing industrial team of Paul Sieczkowski, senior executive vice president, who has over 34 years of experience in the Phoenix area; and Mallory Wayne, associate.
Throughout the property marketing, negotiation and transaction process, Jason facilitates sales and leases that are beneficial to the team’s clients. He focuses on helping clients achieve their commercial real estate objectives, monitoring current market conditions, and keeping clients fully informed about trends that impact their real estate decisions.
Clients benefit from Justin’s skills in sales, customer relationship management, strategic planning, communications and targeted prospecting. He is committed to providing quality service and building long-term relationships.
Previously, Justin served as a research associate for Colliers for the Arizona region. In that role, he compiled market statistics for each property type, maintained sales and lease comp databases, monitored tenant activity, and conducted industry research using various in-house and on-line resources.
Prior to joining Colliers, Justin was a corporate account executive at CDW, a leading multi-brand technology solutions provider. Responsibilities included prospecting new business, processing technology quotes and orders, and growing a book of business across the Southwest region.
- 2019 – Named Rookie of the Year by Colliers in Arizona
- 2019 - Nominated as NAIOP Rookie Broker of the Year
- Valley Partnership Advocate 2017-2018
- Bachelor of Science, Marketing, Northern Arizona University
Memberships & Involvements
- NAIOP Developing Leaders, the Commercial Real Estate Development Association
- CCIM Continuing Education
- Brokers for Kids, a fundraiser to benefit Boys Hope Girls Hope
- Colliers Holiday Adopt-a-Family
- Colliers AZ Cares, a charitable foundation that supports the local community
- The Rockefeller Group Development Corporation
- EastGroup Properties
- Clack Corporation
Senior Executive Vice-President
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.
Associate l Industrial Properties
Mallory Wayne is an associate with Colliers, specializing 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).
She is a member of the top-producing industrial team of Paul Sieczkowski, senior executive vice president, who has over 34 years of experience in the Phoenix area; and Justin Sieczkowski, senior associate.
Mallory’s specialized market knowledge of industrial real estate, coupled with a comprehensive portfolio of services and the support of an experienced team, enables her to confidently meet her clients’ requirements. She advances their business objectives and guides them towards strategic real estate decisions, while minimizing risk and maximizing returns.
As a skilled negotiator, Mallory quickly grasps the challenges in any situation and identifies and executes solutions. She is very focused, with an instinctive ability to understand and target the needs of her clients. Mallory excels at business development, strategic planning and building strong client relationships.
Committed to being highly accessible and accountable and providing superior service, Mallory’s goal is to always exceed her clients’ expectations and provide a complete and cohesive experience that aligns with their real estate objectives. Her confidence and caliber of character give clients a sense of security and trust. She is respectful, genuine, positive and enthusiastic.
Prior to joining Colliers, Mallory was complex associate director of sales for The Talbott Hotel and Thompson Chicago with Pivot Hotels & Resorts in Chicago. In her role, she was responsible for total account management for the corporate, luxury and consortia travel accounts, increasing the revenue index by +12 and growing consortia revenue by 4 percent. Mallory drove repeat business through trade shows, sales blitzes and promotional events.
Previously, Mallory was area business travel sales manager for four hospitality properties: Chicago Athletic Association, Thompson Chicago, Hotel Lincoln and The Talbott Hotel. She focused on local, tech, bank and retail for all global accounts for all hotels, achieving a record year for Chicago Athletic Association in those segments.
Her background also includes serving as account manager for business travel for The Westin Michigan Avenue in Chicago, where she solicited new and existing accounts, meeting and exceeding revenue goals.