Christopher Gladstone is President of Quadrangle Development Corporation and its

affiliated companies. Quadrangle is a commercial real estate investment, development,

and management firm with its activities focused in Washington, D.C., Virginia, and

Maryland. Over the past 55 years, Quadrangle companies have acquired, completed, or

begun development on 70 office buildings, apartment buildings, and hotels aggregating

22 million square feet.

Gladstone is responsible for the overall strategic direction and day-to-day operations of

the company and its affiliates. In this role, he directs the company’s acquisitions and

development projects, as well as its ongoing capitalization, leasing, property

management, and asset management activities.

Quadrangle currently has two significant multi-family projects in Arlington, Virginia.

Gladstone is leading the planning efforts for the proposed Potomac Overlook project in

Rosslyn, Virginia, a mixed-use development that will transform the prominent former

Key Bridge Marriott site into a new community with more than 1,300 homes and

significant publicly accessible open space including a large park and a riverwalk

providing views of the Potomac River, Georgetown, and the monuments. He is also

overseeing the office-to-residential conversion of 1320 North Courthouse Road in

Arlington into 296 apartments scheduled for delivery in early 2028.

A graduate of Princeton University, Gladstone has been active on various local non-

profit boards. He currently serves on the D.C. Policy Center Board of Directors and is a

member of the Developer Roundtable, the Federal City Council, and the Economic Club

of Washington.

Nick Cumings joined the firm in 2017 and works in the Land Use and Zoning practice group in the Arlington office. He primarily focuses on securing zoning and land use entitlements, including rezonings, special permits, and special exceptions. Before joining the firm, Nick practiced for several years as an associate with the law firm of BrigliaHundley, P.C., where he focused on real estate litigation, title issues, local government, and financial services litigation. Nick earned a Bachelor of Arts degree from the College of William and Mary in 2008 and graduated from William and Mary Law School in 2011, where he was a member of the William and Mary Law Review.

After Nick graduated from law school, he clerked for the honorable Michael F. Devine of the Fairfax Circuit Court. He is an active member of the Fairfax Bar Association and serves as the President-Elect of the Young Lawyers Section. Nick was also named to the 2015, 2016, and 2017 Super Lawyers Rising Stars lists for Virginia and the District of Columbia.

Kevin Shooshan, Principal, focuses on all leasing and marketing responsibilities for The Shooshan Company and its current and future commercial development projects. Kevin oversees the entire leasing process starting from lease negotiations through Tenant occupancy, then maintains Tenant relationships in all of the Shooshan Company’s existing portfolio. Kevin also monitors the Tenant design/construction phase between lease execution and Tenant occupancy, providing a service not commonly found in a direct Landlord/Tenant relationship.  Kevin has executed deals ranging from major GSA headquarters, to varying private sector office leases, as well as several high-end retail leases to improve the amenity base of all Shooshan developments.

Prior to joining the Shooshan Company, Kevin gained experience as both a Research Analyst and Junior Broker at GVA Advantis during the first few years of his career

As Director of Leasing and Brokerage, Lindsey combines more than a decade of retail real estate experience with a collaborative, results-driven approach to turn market insight into effective leasing strategies. Her leasing experience spans grocery-anchored and neighborhood shopping centers, urban retail, developments, and mixed-use properties. Lindsey is passionate about creating retail environments that enhance the community and position properties for long-term success.

Prior to joining Rappaport, Lindsey built her career at JBG Smith and KLNB, leading leasing and merchandising initiatives throughout the Mid-Atlantic with experience in both landlord and tenant representation. Early in her career, Lindsey worked at Cushman & Wakefield in Capital Markets where she supported the valuation and sale of commercial real estate loans. Lindsey attended Florida State University where she earned a degree in Finance. She holds real estate licenses in DC, Virginia and Maryland and is a member of ICSC.

Melina Duggal, AICP is the Senior Director of Market Analytics at CoStar and Homes.com in Washington, D.C., where she provides strategic insights on real estate trends across for-sale, multifamily, office, industrial, and retail sectors. With over 25 years in real estate consulting and market analytics, Melina has advised developers, investors, and policymakers on market conditions and investment strategies. She teaches real estate at the Ross School of Business at the University of Michigan. Previously, she led Duggal Real Estate Advisors, taught at the University of Maryland and George Mason University, and worked with RCLCO, a real estate consulting firm. Melina holds a bachelor’s degree in honors anthropology and Spanish and a master’s degree in Urban Planning from the University of Michigan.

Scott serves as Vice President of Government Affairs, Virginia - Local for AOBA. In this role, he represents the organization and its members before the governing bodies and local government agencies that compose Northern Virginia. He additionally represents the commercial and multifamily real estate industry as one of AOBA’s three registered lobbyists working with the Virginia General Assembly and various regulatory entities in Richmond.

Scott brings a wealth of experience to the position, having previously served as Government Affairs Director at the Arlington Chamber of Commerce. As the Chamber’s first Government Affairs staffer, he successfully stood up a professional advocacy program, delivering positive results and vastly increasing the business community’s engagement and inclusion in local government decision-making.

Scott began his career in strategy, economic analysis, and research on Wall Street. Upon returning to the Washington metropolitan area, Scott served in several consulting roles and as Campaign Manager for sitting Arlington County Board member Libby Garvey. Scott first came to the Washington metropolitan areas as an undergraduate at Georgetown University, where he studied international economics; he also studied at the London School of Economics and has an MSc in economics from University College London.

Lauren Riley joined the Firm in 2019 and works in the Land Use and Zoning practice group in the Arlington office. She primarily focuses on securing zoning and land use entitlements including rezonings, special permits, and special exceptions. Before joining the firm, Lauren worked for the general practice law firm of Walton & Adams, P.C., where she gained valuable experience in eminent domain practice, zoning and land use research, and civil litigation. Lauren earned a Bachelor of Arts Degree from the University of Alabama in 2015 and graduated from William & Mary Law School in 2018, where she was an articles editor for the William & Mary Business Law Review.

While in law school, Lauren was a summer associate for the Firm and for the City of Hampton Attorney’s Office. She also served as a research assistant to Professor Lynda L. Butler, working on global land use and environmental research.

Joe Muffler serves as Senior Managing Director of Development for Mill Creek Residential, Mid-Atlantic. He is responsible for managing all aspects of the development process, including site acquisition, design, entitlements, financing, and eventual disposition for Mill Creek Mid-Atlantic communities.

Mr. Muffler joined Mill Creek as an Associate in 2013, and prior to his role in Development, was responsible for developing company-wide research, portfolio allocation, and investor relation strategies. Prior to joining Mill Creek, Mr. Muffler served as Director of Operations for the Mid-Atlantic and Southeast divisions of Bisnow Media, Inc. He began his career at Jones Lang LaSalle, as an Analyst on the Washington, D.C. Investment Sales team, participating in approximately $1.0 billion in asset transactions.

Mr. Muffler graduated from Virginia Tech with a Bachelor of Science in Finance and a Bachelor of Arts in Literature.

Frank leads development at Monday Properties, managing complex, mixed-use projects across the eastern seaboard. He oversees the full development lifecycle, from property underwriting and programming to entitlements, design and construction, while also identifying and executing new ground-up investment opportunities.

Since joining the firm in 2018, Frank has driven the expansion of the firm’s multifamily development pipelines in target markets, including the greater Washington, DC region, Connecticut and South Carolina.

Frank has more than a decade of experience managing more than $1.3 billion in complex commercial real estate development projects.‍

Frank’s achievements in development have been well recognized through several prestigious award programs: He was named to GlobeSt. Real Estate Forum’s 2021 “50 Under 40” list for the successful development, lease up, and sale of The Mason and The Hudson projects in South Carolina. In 2025 he was recognized as a GlobeSt. “Influencer in Multifamily Real Estate” and named to Connect CRE’s “ApartmentBuildings.com 100” list for his work spearheading development of The Willow, a 338-unit, Class A multifamily community in North Charleston, South Carolina.

Frank received his MBA with a concentration in finance from George Washington University and a bachelor’s degree from the University of North Carolina, Chapel Hill. He is an active member of the Rosslyn BID Urban Design Committee Board, NAIOP Northern Virginia, and the Urban Land Institute.

John Beinert is a Director for Greystar Development Services in the Mid-Atlantic

region, focusing on the District of Columbia, Northern Virginia, and Maryland.

John manages development projects in various stages of design, entitlement,

and construction.

Before joining Greystar, John served in the United States Navy as a Submarine

Officer onboard the USS Maryland and taught at the Navy’s Nuclear Power School.

John is on the Board of the Capitol Riverfront Business Improvement District.

John received his bachelor’s of science degree in Ocean Engineering from the

United States Naval Academy and his Master’s in Business Administration from

Harvard Business School.

Jacob Rosenberg oversees multifamily investments for Penzance, a fully integrated real estate owner, operator, developer, and fund manager, where he focuses on value-add and development opportunities throughout the Mid-Atlantic. Since joining the firm in 2024, he has overseen the acquisition of 1,800 units.

Prior to joining Penzance, Mr. Rosenberg led investments for Carmel Partners' Washington, DC office, where he acquired 2,000 existing and ground-up multifamily units and oversaw a local portfolio of 3,600 units valued at nearly $2 billion. He has also held key positions on the investment teams at Spear Street Capital, Federal Capital Partners, and Fundrise.

Mr. Rosenberg is an active member of the DC Real Estate Group, the Jewish Federation of Greater Washington, and the United States Holocaust Memorial Museum.

Mr. Rosenberg holds a BS in Economics from the University of Pennsylvania's Wharton School and an MBA from Northwestern's Kellogg School of Management.

An Alexandria native and Falls Church resident, Andrew has cultivated a unique set of skills, knowledge, relationships, and expertise in

the transactional aspects of real estate law. He has represented clients in 16 Virginia localities, from Arlington County to Winchester, and

specializesin securing zoning approvals and providing counselto residential,commercial, and industrial developers and landowners, advises

clients on all aspects of the land entitlement process and real estate matters, and frequently appears before planning commissions, town

and city councils,county boards of supervisors, localcitizen groups, boards of architecturalreview, and civic and homeowners associations.

Prior to joining The Land Lawyers in 2007, Andrew worked for two members of the Fairfax County Board of Supervisors, the County

Administrator of Caroline County, Virginia, and former Virginia Governor (now U.S. Senator) Mark Warner. In 2004, Andrew worked

for McGuireWoods Consulting, identifying business expansion opportunities and conducting comprehensive studies for public safety,

education, and transportation construction companies across thecommonwealth.

Andrew is an adjunct professor and teaches classes in political science, urban history, historic preservation, and city and regional planning

at the University of Richmond and the University of Mary Washington. He also leads courses for public and private civil engineers on the

land use entitlement process at the Engineers & Surveyors Institute to improve the quality of their plans and the process by which they are

approved.Having studiedNorthern Virginia’s geography and chronicled itsland development history, Andrew’sextensive knowledge of the

region has played a significant role in assisting clients and navigating issues related to development patterns, transportation concerns, and

environmentalchallenges in multiplejurisdictions.

LeVar Crooms currently serves as Market President at United Bank, overseeing the Arlington and Alexandria

markets. In this role, his responsibilities encompass strategically driving both commercial and retail production

while ensuring the profitability and sustained growth of these markets. Crooms plays a pivotal leadership role in

managing public relations efforts for Arlington and Alexandria, while also representing United Bank in the

community through active participation in civic affairs and professional organizations.

Before joining United Bank, Crooms spent a decade at M&T Bank, where he served as Senior Vice President in the

Commercial Real Estate Finance Division. During his tenure, he successfully financed over $2 billion worth of

residential and commercial projects in the Greater Washington DC area. His clientele ranged from institutional to

middle-market and family office companies. Crooms's exceptional performance was consistently acknowledged,

earning him the President's Council Sales Award four times within M&T Bank's Commercial Banking Division

Crooms embarked on his professional journey at BB&T in 2006, where he completed the commercial credit

training program. Within two years, he rose to manage a team of eleven before progressing to a portfolio manager,

and ultimately a relationship manager.

Beyond his professional endeavors, LeVar is actively engaged in various boards and committees. He has served as

a Board Member of the NAIOP Northern Virginia chapter since 2020, contributing his expertise to the Education

Committee. He serves on the Board of Junior Achievement of Greater Washington, the nation’s largest organization

that teaches young people about work readiness, entrepreneurship, and financial literacy. He was recently appointed

to the Board of Directors for the Arlington Chamber of Commerce and as a Trustee for the Arlington Community

Foundation.

LeVar graduated with honors from Johnson C. Smith University in 2006, earning a Bachelor of Science Degree in

Business Administration. When not immersed in his professional pursuits, LeVar finds joy in family life, residing

in Arlington, VA, with his wife Anshia and their son Zachariah. Crooms is an avid traveler and enjoys reading.