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Our Team

Diversified Experience Managing Your Capital


Purna Dokku

Managing Partner


Purna manages the investment decisions and investor relations firmwide.   For the past decade, Purna has been successfully investing in land that lies in the path of growth, re-zoning for maximum value and re-selling the property for profitable returns.  His investment strategy requires significant due diligence and underwriting knowledge, all of which he applies to our multi-family acquisition strategy.  As an entrepreneur, Purna has been consistently achieving double-digit growth in his business investments by adding new clients year over year.

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Stephen Karbelk



Stephen oversees that acquisition and long-range planning functions.  Since 1990, Stephen has been full-time in the real estate business, with transaction experience among all types of commercial real estate asset classes. With over $750 million in career transactions, Stephen has significant experience to bring to every transaction we evaluate.   A valuable part of our underwriting process is his relationship with Century 21.  Stephen’s real estate team was the #5 Century 21 team in the United States (2019).  Stephen is also responsible for managing over 20 commercial agents in Maryland, Virginia and Washington, DC as the Director, Century 21 Commercial New Millennium.    Education: BA, History, George Mason University; Select MBA Courses, George Mason University.  Real Estate Licenses: Virginia, Maryland and Washington, DC

Learn more about Stephen’s commercial transaction experience at


Direct: 571-481-1037

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Darius Saeidi



Darius oversees the day-to-day operational activities and implementation of the vision, goals and strategic plan of the company.  For the past seven years, Darius has been in the commercial banking business, sourcing and underwriting business and commercial asset transactions.  Through his banking experience, he has developed a depth of knowledge regarding financing and reporting analysis to identify value add opportunities and investment risks that need to be isolated or mitigated if the transaction proceeds to closing.  Education: BS, Finance, George Mason University.

Direct: 703-505-7585

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Ken Bickel

Director of Acquisitions


Ken is responsible for leading the identification, underwriting and analysis of multifamily investment opportunities for DSP. Ken is also intimately involved in transaction due diligence, financing, and investor relations. Ken joined DSP from a New York City based private equity firm that owns and operates over $1B of multifamily assets in the United States, where he specialized in the acquisition of value-add multifamily properties. Prior to that, Ken worked as an investments sales advisor for a leading commercial real estate brokerage firm, where he was directly involved in the successful sale and structured financing of $850M+ multifamily transactions in the mid-Atlantic region.

Education: Ken received a Master’s in Real Estate Finance from Georgetown University and a Bachelor of Science in Business Management from West Virginia University.

Direct: 703-772-5571

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Chris Caylor

Real Estate Analyst 

Christopher is a member of DSP’s Real Estate Analysis Team. As a member of DSP, Christopher is involved in conducting market analysis and due diligence for prospective investments. Prior to joining DSP in 2021, Christopher served as a junior accountant for Tax & Accounting Services, where he was in charge of creating cash flow and profitability models. Christopher attended Georgetown University, studying Political Science with a concentration in United States Political Systems. Outside of the classroom, Christopher served as a 4-year member of the Georgetown football program, achieving Patriot league honor-roll each of his years participating. As a Real Estate Analyst, Christopher’s draws upon his experiences in the workplace, classroom, and gridiron, to serve as a valuable addition to our DSP team.

Direct: 703-975-3538

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