Team
Our Associates
Our team excels in transforming visions into reality through a comprehensive approach. Our construction division ensures robust and sustainable structures, while our creative design team balances form and function to create aesthetically pleasing spaces. Visionary architects shape skylines with innovative and environmentally friendly designs, supported by our underground services team that handles essential infrastructure with precision. Our remodeling specialists update properties to modern standards with meticulous attention to detail. Together, we deliver exceptional value and enduring spaces, setting new benchmarks for excellence and innovation in the real estate industry.
Jeff Kozero | Founder and CEO
Jeff graduated from the Pennsylvania State University with an engineering degree and is a licensed Professional Engineer. Over the course of his career, Jeff has started and grown an architectural/engineering firm from a local DMV presence to a National Footprint. In addition, Jeff has started and managed various real estate development companies that have provided development, design and construction related services. These projects resulted in over 12 million constructed square feet and valued at over $2.9Billion. Jeff has now created 407 Associates to become a complete design/development/management company.
Robert Vricella | Board of Advisors
Robert Vricella recently joined the MainStreet Partners team in 2020 as a member of the Board. Mr. Vricella is a independent Real Estate professional in the Washington D.C. suburbs. For the past 15 years, he has developed and invested in a diverse portfolio of properties. Prior to becoming independent, Mr. Vricella was in charge of real estate acquisitions for Toll Brothers for southern Maryland. Mr. Vricella brings a wealth of real estate knowledge to the MainStreet Partners team.
Brenda Duckett | Controller
Brenda Duckett has vast experience in the Finance and Managerial Sector. Brenda started her career as a Mortgage Customer Service personnel with Equifax, rising quickly to supervisor within 6 months of her assumption of duty and exiting the company as VP of Operations. She was the CEO of two startup companies, serving contractors and small businesses with office administration, accounting service, and permit processing. Brenda has been a manager for the past 33 years, outlining her success as the Director of Finance and overseeing the Administrative offices for 407 Associates, LLC. She can be described as the engine room of our organization.
Dan Morrison | Director of Utility Services
Dan Morrison has been working in the construction industry in the DC, MD, PA, VA (DMV) area since graduating from high school. In 2000, Dan started a very successful Home Building company, serving the DMV area. During the global economic meltdown in 2008, Dan changed course and started successful Home Inspection and Construction Management companies. In 2019, Dan started a successful Underground Utility Installation company working with clients such as the National Institutes of Health, BGE, and many developers. In 2022, Dan brought his company to 407 Associates, taking advantage of the synergies provided by the 407 development, design, and construction companies.
Joseph A. Boggs | Director of Professional Services
Joe is an undergraduate of Virginia Tech and has a Master of Architecture degree from Harvard University Graduate School of Design. The diversity of his work has been the subject of lectures at several universities as well as being the G.T. Ward visiting professor at Virginia Polytechnic Institute & State University. Mr. Boggs is a frequent presenter at AlA Symposiums and community functions. He has won numerous awards and has been published in national and international publications, as well as being elected to the College of Fellows of the American Institute of Architects in 1995. The firm’s work has been the recipient of numerous architectural design awards. Mr. Boggs was a presenter at the 2016 AIA Convention in Philadelphia on an International Practice workshop. His work was recently published in. ‘Honor’, a hardcover book commemorating and documenting the Uriah P. Levy Center and Jewish Chapel.
Karl Griffin | Director of Design
Karl A. Griffin has over 10 years of experience in the architecture and design industry. With a passion for creativity and a strong eye for detail, Karl has successfully led numerous design projects, ranging from residential to commercial buildings, with a focus on innovation, sustainability, and functionality. He holds a Bachelor of Architecture degree from The University of the District of Columbia and has continued to expand his knowledge and skills through various professional development programs and workshops. He is a member of several professional organizations, including AIA, NCARB and NOMA. Karl is dedicated to helping the company achieve its vision of becoming the leading provider of innovative and sustainable design solutions.
Let’s Build Something
407 Main Street
Laurel, MD 20707
Tel: 301-818-0440
1383 Piccard Drive
Rockville, MD 20850
Tel: 301-818-0440