PHOENIX, ARIZONA (April 14, 2022) – The success of NAI Horizon’s 2021 Top Producers is a direct result of the overall strength of the Phoenix market last year compared to other U.S. markets and its agents benefitting from referrals from other NAI offices across the country.

“The market expertise of our brokerage professionals is reflected in this impressive list of 2021 Top Producers,” said NAI Horizon CEO/Designated Broker Terry Martin-Denning said. “Between a robust commercial real estate market in Arizona and the collaboration with other NAI offices around the country, it was a great year for the Phoenix office.”

Executive Managing Director Denise Nunez continued her mastery of local and national self-storage investment sales in 2021 and finished atop NAI Horizon’s Top 10 Producer list for the second time in three years.

Nunez, who joined NAI Horizon in 2015, was also named among the top 125 NAI Global agents of 2021, finishing No. 77. Nunez, who leads the Nunez Self Storage Group, closed more than $140 million in self-storage deals in 2021. She was NAI Horizon’s Top Producer in 2019.

Executive Managing Director Isy Sonabend, an industrial expert, finished second among NAI Horizon’s Top 10 Producers. Sonabend also was among the top 125 NAI Global brokers, coming in at No. 111.

NAI Horizon’s broker ownership platform allows agents to benefit from both personal achievement and the success of the company while encouraging a collaborative culture. This platform prioritizes broker needs while offering global reach and resources.

The list of 2021 Top Producers reflects the success of the broker ownership platform and the overall positive trends in the Phoenix commercial real estate market with a range of specialties represented: investment sales, industrial, office, self-storage, land, and retail properties.

NAI Horizon’s 2021 Top Producers:

1. Denise Nunez, Investment Sales/Self Storage
2. Isy Sonabend, Industrial
3. Mark Wilcke, Industrial/Land
4. Matt Harper, CCIM, Retail
5. Laurel Lewis, Office
6. Jeff Adams, Industrial/Land
7. Lane Neville, Investment Sales/Land
8. Michael Myrick, CCIM, Office
9. Chris Gerow, Retail
10. Shelby Tworek, Retail

About NAI Horizon

Exceptional global commercial real estate solutions begin with local market leadership and expertise. Established in 1992, NAI Horizon is a full-service commercial real estate company serving Arizona with offices located in Phoenix and Tucson. NAI Horizon is passionate about the commercial real estate business, providing Brokerage and Property Management Services for local, national and international clients. NAI Horizon is a member of the NAI Global commercial real estate network providing real estate solutions to more than 300 offices worldwide. For more information visit

About NAI Global

Advisory Services, Leasing, Property Management, Property & Note Sales and Tenant Representation

NAI Global is a leading global commercial real estate brokerage firm. NAI Global offices are leaders in their local markets and work in unison to provide clients with exceptional solutions to their commercial real estate needs. NAI Global has more than 300 offices in 43 countries strategically located throughout North America, Latin America and the Caribbean, Europe, Africa and Asia Pacific, with 5,100 local market professionals, managing in excess of 1.1 billion square feet of property and facilities. Annually, NAI Global completes in excess of $20 billion in commercial real estate transactions and a gross revenue of $1.5 billion.

NAI Global professionals achieve extraordinary results for clients locally and globally through creativity, collaboration and the consistent delivery of exceptional knowledge and service that only market-leading firms can provide. NAI Global provides a full range of corporate real estate services, including brokerage and leasing, property and facilities management, real estate investment and capital market services, due diligence, global supply chain and logistics consulting and related advisory services. To learn more visit