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John (JK) Jackson is a senior vice president with the Investment Sales Team at Diversified Partners, where he specializes in representing landlords and tenants with their leasing needs, the management of acquisitions and dispositions of retail properties, enhancing values through asset management and retail advisory services.

Jackson has completed hundreds of transactions on behalf of landlords and investors for single tenant triple net assets, neighborhood centers and anchored retail shopping centers. He has a proven ability to achieve results for his clients through comprehensive market strategies, long-range planning, and identifying opportunities to increase asset cash flows. A consummate professional, Jackson, thoroughly analyzes the financial details of each transaction to ensure his clients’ economic and business objectives are met. He carefully crafts marketing campaigns and leases to support growth, minimize risk, and protect his clients’ investments.

Jackson and his team leverage their relationships with qualified institutional and private investors, enabling them to strategically match buyers with sellers to achieve the best possible outcome for their clients.

BUSINESS BACKGROUND
Jackson is an Arizona Native who’s experience spans 19 years as a commercial real estate agent in Greater Phoenix, focusing on the acquisition, lease-up and disposition of retail properties. Prior to joining Diversified Partners, he was a senior vice president with Colliers International in Phoenix, where he represented owners and investors in the acquisition and disposition of over $300,000,000 of retail properties by working closely with owners, asset managers and investors to identify, acquire, lease-up and dispose of their investments.

PROFESSIONAL ACCOMPLISHMENTS
- Completed more than 1,000 lease and sale transactions
- CoStar Power Broker Award Winner
- Awarded Top Producer Colliers International Arizona – 2021, 2022, 2023, 2024
- Member of Colliers International Arizona Leadership Council (2019 – 2025)
- NAIOP Retail Broker of the Year Nominee - 2023, 2024

COMMUNITY INVOLVEMENT
- Brokers for Kids
- Susan G. Komen Sponsor
- Salvation Army’s Adopt-a-Family Program
- Defenders of Children (DofC)
- Habitat for Humanity Volunteer

EDUCATION AND QUALIFICATIONS
- Arizona State University; Bachelor of Science, Accounting

MEMBERSHIPS AND INVOLVEMENTS
- NAIOP
- International Council of Shopping Centers (ICSC)

Marti Weinstein joined Diversified Partners in September of 2021 bringing with her a specialty in third party Landlord leasing of open air shopping centers including existing assets and new developments throughout the Phoenix Metropolitan area.

Marti also specializes in Tenant representation of all scopes including retail business types such as food and beverage, personal service, medical users,  etc. ranging from local mom and pop brands to national users throughout Arizona and the southwest region.

Marti’s main objective in business is to create and nurture relationships with her clients and other business professionals spearheading her processes with the best interests of others in mind and a goal of collaboration and repeat success stories.

Kristina Stamets serves as vice president of investment sales at Diversified Partners, where she works alongside John “K” Jackson to specialize in the sale of retail properties across Arizona. A lifelong Valley resident, she brings deep market knowledge and trusted relationships with landlords and developers to facilitate the acquisition and disposition of shopping centers and development projects. Her role includes overseeing all phases of a transaction—from marketing and negotiation to successful close. Prior to joining Diversified Partners, Remon held roles at Colliers as associate vice president and at Strategic Retail Group, which was acquired by Avison Young in 2019. In both firms, she distinguished herself through her proactive approach to client service, transaction management and market research. With strong organizational skills, clear communication and a reputation for integrity, Remon consistently delivers results and fosters long-term client partnerships. She is recognized by peers for her energy, professionalism, and leadership both in and outside the office.

Recognition
- Named one of Colliers’ Emerging Retail Leaders
- CoStar Power Broker Award Winner

Memberships & Involvements
- Brokers for Kids
- NAIOP, the Commercial Real Estate Development Association
- International Council of Shopping Centers (ICSC)
- Valley of the Sun Active 20/30 Club
Board member (2017-2024)
Vice President of Social Events (2021)
Vice President of Community Relations (2022)
- Fresh Start Auxiliary Board Member (2025 - Present)