NAI Mertz Corporation
Ten Penn Center
1801 Market Street

Philadelphia, PA United States 19103
t+1 856 335 1080 f+1 856 234 4957
John
Adderly
Executive Vice President - Managing Director

Specialties: Investment, Office

Background & Experience
John Adderly has an extensive history of acquiring, financing, selling, leasing, and managing premier office and flex properties portfolios with some of the nation’s leading real estate investment firms. John has overseen the leasing, acquisition, disposition and property management for numerous top-tier investments and has a strong track record of enhancing portfolio performance and driving corporate growth.

John’s extensive experience in leasing, acquisitions and dispositions will allow him to deliver unique insights and perspectives to clients whether they be a Landlord, Tenant, Buyer, or Seller.

Most recently, John served as Vice President of Mack Cali Realty Corporation with full responsibility for leasing and property management in the Mid-Atlantic Region. He had direct oversight of 74 office and office/flex properties totaling 5.5 million square feet and an additional 1.5 million square feet of development sites. Under John’s direction, the portfolio outperformed the market both in occupancy and rental rates in all of its represented markets.

Prior to that, John held Senior Vice President positions with both The Arden Group and The Rubinstein Company. With both firms, he held full responsibility for acquisition, disposition, financing and joint venture structuring for national portfolios.

Earlier in his career, John served as Senior Vice President for Brandywine Realty Trust. At the time he joined Brandywine, the firm had 4 assets and a market capitalization of $10 million. At the end of his tenure with the firm, Brandywine had over 240 assets and a market capitalization of over $3 billion establishing it as a dominant company in multiple markets.
Education
Temple University, B.S. Accounting
Professional Associations & Designations
- Licensed Real Estate Salesperson, NJ, PA & FL
- NAIOP - Past Chairman, Capital Markets Forum & Leasing and Marketing Forum; Past Board Member, Greater Philadelphia & New Jersey Chapters
- Businesses Committed to South Jersey (Formerly BC2)- Past Treasurer & Board Member
- Jefferson Bank, NJ - Past Advisory Board Member
- Philadelphia Business Journal - Winner, Best Suburban Office Lease
- Philadelphia Business Journal - Winner, Best Suburban Office Sale

Latest Blog Posts

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Philadelphia Continues to be One of the Top Performing Industrial Markets in the U.S.

Wed, 08 Mar 2017 15:08:18 +0000
Philadelphia is well-positioned in the Northeast to flourish in the industrial sector in 2017. With a centralized position in the Boston-New York-Washington, D.C. corridor, Philadelphia has capitalized on its superb location to firmly establish itself as a distribution hub leading to sustained positive momentum in all key market sectors. The e-Commerce market has been experiencing

NAI Mertz of PA Inks Over One Million Square Feet in Commercial Sale and Lease Transactions in 2016

Fri, 03 Mar 2017 17:06:18 +0000
NAI Mertz of PA, a leading full-service commercial real estate firm serving northeastern Pennsylvania, ended 2016 completing over 1,000,000 square feet in industrial, office and retail sale and lease transactions. The NAI Mertz of PA sales team of Dave Weaver, vice president; Steve Cole, sales associate; and Fred Meyer, SIOR, director of corporate services were

NAI Mertz Appointed Exclusive Leasing Agent for Oxford Court Business Center in Langhorne, Pa.

Thu, 12 Jan 2017 16:51:45 +0000
NAI Mertz, a leading full-service commercial real estate firm serving southern New Jersey and greater Philadelphia, has been awarded an exclusive leasing assignment for Oxford Court Business Center in Langhorne, Pennsylvania. Zena Charokopos, Vice President, is marketing the property on behalf of the owner, Sky Management Services. “Oxford Court Business Center offers a carefully calibrated mix

NAI Mertz Celebrates 35th Year in Business

Tue, 01 Nov 2016 18:45:54 +0000
NAI Mertz, a leading full-service commercial real estate firm serving southern New Jersey and greater Philadelphia, is celebrating its 35th anniversary since Barry Mertz, SIOR, Chief Executive Officer, formed the firm in 1981, with his wife Faye, in Pennsauken, New Jersey. Barry started the company as a commercial real estate brokerage and property management firm

Quick Hits: Interest Rates & Oil Prices

Wed, 31 Aug 2016 13:09:59 +0000
Last week’s speech by Fed Chair Janet Yellen offered some clues about the timing of an interest rate rise. It seems September has become a possibility (50% in my eyes), but this will also be determined by Friday’s August employment number. There appears to be a stable supply of capital from banks, portfolio lenders, and

New Commercial Real Estate Listings – Dec. 18

Fri, 18 Dec 2015 07:27:18 +0000
‘Tis the season for retail! Fittingly we have two new retail listings that can check off every item on the wish list of a retailer – high traffic locations, great visibility, and excellent demographics. Newly Constructed Retail / Office Plaza Address: 364 Berlin Cross Keys Road | Williamstown, NJ A 2,100± SF retail / office suite is available

New Listings: 12/6 – 12/11

Fri, 11 Dec 2015 14:39:20 +0000
New commercial real estate listings throughout southern New Jersey, greater Philadelphia and northeastern PA this week at NAI Mertz: 56,500 SF Warehouse for Lease Address: 1660 Suckle Highway | Pennsuaken, NJ Broker(s):  Scott Mertz | +856.234.9600 14-38 AC in Hazelton Address: Oak Ridge Rd & Green Mountain Road | Hazle Township, PA Broker(s):  Dave Weaver & Steve Cole | +5700.820.7700 Former Big

Fri, 04 Dec 2015 15:56:52 +0000
New commercial real estate listings at NAI Mertz this week throughout southern New Jersey and greater Philadelphia: Office/Retail Development Opportunity Address: 1324-1326 N Delaware | Paulsboro, NJ 08066 Broker(s):  Julie Kronfeld & John Brown | +856.234.9600 Office/Flex in Bensalem Address: 984 Bristol Pike | Bensalem, PA 19020 Broker(s): Jeff Licht & Adam Lashner | +1 215.396.2900 Office/Flex in Trevose Address: 210 Andrews Road | Trevose, PA 19053 Broker(s): Jeff

New Listings 11/2 – 11/6

Fri, 06 Nov 2015 15:25:27 +0000
New commercial real estate listings at NAI Mertz this week throughout southern New Jersey and greater Philadelphia: Office/Retail at Route 38 at Chestnut Street Address: 100 Chestnut Street | Cherry Hill, NJ Broker(s): Jeff Sloan | +856.234.9600 New Availabilities at Eastgate Business Center Address: Gaither Drive | Mount Laurel, NJ Broker(s): Rebecca Ting & Julie Kronfeld | +856.234.9600 120,000 SF Distribution Warehouse Coming Q3 2016 Address: 300 Bordentown-Hedding

New Listings: 10/26 – 10/30

Fri, 30 Oct 2015 14:48:04 +0000
Downtown Woodbury Office Building for Sale Address: 28 Cooper St | Woodbury, NJ Broker(s): Rebecca Ting & Julie Kronfeld | +856.234.9600 12,000 SF Office Building for Sale or Lease Address: 3140-3160 Tremont Ave | Trevose, PA 19053 Broker(s): Zena Charokopos | +1 215.396.2900 Newly Renovated Warehouse with Fenced Yard for Lease Address: 9105 Collins Avenue | Pennsauken, NJ Broker(s): John Brown & Scott Mertz | +856 234 9600 Medical/Office/Retail