Our Staff

Serving Alexandria and the Washington, DC Metro area for nearly 100 years.


Larry Kahan, CPA, CPM

President – Simpson Properties, LTD.

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Larry is the Owner and President of Simpson Properties, Ltd., where he oversees all Management and Leasing activities for the entire Simpson portfolio. Larry is also responsible for overseeing all financial aspects of the building/land evaluation, and determining the highest and best use for the property. Larry has a Bachelor’s Degree in Accounting from SUNY-Albany and is a Certified Public Accountant and a Certified Property Manager by IREM. In 1982, Larry joined the Simpson team as Owner and President, where he has grown the company to a management portfolio to 1,500,000 square feet in Alexandria and Springfield.

When Larry isn’t at the office, he spends his time as a biking enthusiast, an avid traveler, and a retired youth little league coach. He currently resides in Fairfax County, VA with his lovely wife.


Don Simpson, Jr.

President Simpson Development Company, Inc.

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Don has worked with Simpson full time since 1982 and oversees all of the Company’s Real Estate Development and new Construction projects located throughout the Washington Metropolitan area. He is a 4th generation Alexandrian who graduated from Virginia Tech with a Bachelor of Science degree in Building Construction & Engineering. Don started his career in the Construction industry working with Eugene Simpson & Brothers General Contractors working in various capacities including field supervision, scheduling and project management. He then moved over to the Development and Property Management firm to focus on Commercial Development and Asset Management for the

Simpson portfolio. Don is directly responsible for providing overall team leadership, coordination and supervision on all new Development, Construction Management and interior renovation projects. The firm currently manages over 1.5 million SF of Commercial Office space and develops approximately 100,000 SF of new mixed use space annually. Don is also very active in the local Community and is currently serving on a number of non-profit organization board’s including Inova Alexandria Hospital, Alexandria Youth Sports, Missile Defense Advocacy Alliance and Eisenhower Partnership. Mr. Simpson resides in Alexandria with his wife Stacey and their two sons, Cole and Max.


Fred Zamer

Vice President of Leasing and Marketing

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Fred began his Real Estate career over 30 years ago in Bethesda, Maryland, where he catapulted himself onto the scene when he became the number one agent in acquiring new business in the Maryland area along with numerous other accolades within his first year. He is currently licensed in Maryland, Virginia, and Washington, D.C. His vibrant personality and strong work ethic allowed him to create the Leasing Department with Liberty Property Trust. In 1997, Fred founded and became the president of The Commercial Real Estate Group, Inc. in Alexandria, Virginia. The Commercial Real Estate Group was a prospering company that allowed Fred to work with Fortune 500 Corporations, and was the catalyst to later join the Simpson team. Fred joined Simpson Properties in October of 1998, where he became a partner and Vice President of Leasing and Marketing. As a partner, his goal has been to position the company as a full-service Commercial Real Estate provider in the marketplace; expanding tenant and landlord representation, property management, construction management and asset management services expertise to build a broad client base. Fred has leased over two million square feet and over 50 buildings as a Landlord and Tenant Representative throughout Maryland, Virginia, and Washington, D.C. In his spare time, you can find him in Ocean city enjoying the summer sun or in the winter traveling with his two beautiful children, Jack and Isabel, while they play in basketball tournaments and he coaches. Fred currently sits on the Board of Directors for BB&T. Fred and his wonderful family call McLean, Virginia home.


Donna Leapley

Property Manager

Jamie Hartnett

Property Manager

Robin Perrin

Property Manager

Krystal Sweeney

Tenant Service Coordinator

Robert Starling

Senior Project Manager

Rob Sullivan

Director of Operations