PHOENIX, ARIZONA (April 21, 2022) – NAI Horizon is proud to announce it has elevated 14 brokerage professionals to new leadership roles, including promoting three industry experts to the title of Executive Managing Director.

The promotions honor and highlight each individual for their commitment and dedication to the success of the firm as the commercial real estate industry and the Arizona economy emerged from the COVID-19 pandemic.

Denise Nunez, Isy Sonabend, and Russ Warner were promoted to Executive Managing Director. Matt Harper, CCIM, Laurel Lewis, and Mark Wilcke were promoted to Managing Director. Jeff Adams was promoted to Executive Vice President.

Nunez, who has been with NAI Horizon for 7 years, leads the Nunez Self Storage Group. She possesses more than 28 years of self-storage expertise and closed more than $140 million in deals in 2021. She was also the 2021 Top Producer at NAI Horizon and finished No. 77 among NAI Global’s top 125 agents for 2021.

Sonabend, an industrial expert, was No. 111 on the NAI Global list. Sonabend was No. 2 Top Producer for NAI Horizon in 2021 with one of his most significant deals of 2021, representing Carvana in the $25 million purchase of 148 acres in Surprise, Arizona.

Warner has been with NAI Horizon for almost 9 years and runs the Manufactured Housing Group. He is focused on the disposition of self-storage, RV park and mobile home park investment properties, as well as land suitable for the development of these property types.

“These well-deserved promotions reflect the continued growth in experience and titles for our agents in multiple specialties,” said NAI Horizon CEO/Designated Broker Terry Martin-Denning. “These promotions run the gamut from our experienced brokers to the young professionals with whom they work and mentor.”

Wilcke, Harper, Lewis, and Adams finished Nos. 3 through 6 among NAI Horizon’s 2021 Top Producers. Wilcke is an industrial and land specialist; Harper is a retail specialist; Lewis is an office specialist; and Adams is an industrial and land specialist.

Other promotions and their specialty:

  • To First Vice President: Victoria Filice, CCIM, self-storage; Kevin Higgins, office; Joan Krueger, office/retail/light industrial; and Christopher Lewis, industrial/land.
  • To Vice President: Dylan Whitwer, office.
  • To Associate: Drew Eisen, industrial; and Cole Neville, investment sales.

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.

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