Dennis Duffy is a founding Principal of RCDH & Co. and has been the CEO of RCDH & Co since January 1990.Overall, Mr. Duffy, an MAI member of The Appraisal Institute, has valued more than 6,000 commercial properties; aggregate value would be in the many billions of dollars. RCDH is a well-regarded real estate valuation and consulting company based in Washington, DC. It offers primarily a regional focus, but has also worked in 25 states nationally.

Prior to RCDH & Co, he was employed by and was a Principal with Joseph J Blake and Assoc from 1982-1990. Prior experience was with a prominent NYC multi-service real estate firm, with prior work experience within the appraisal division of bank and insurance company structures. Overall, he has 30+ years of commercial real estate experience.

Mr. Duffy, has a broad array of commercial experience in valuing: office buildings, apartment complexes; shopping centers (in all forms); hotels (all categories); industrial properties; vacant land in all categories; special use projects (such a stone quarries; amusement parks; farms; datacenters; etc); fractional interests; partnerships; complex business company valuations; etc. In addition, he has extensive court testimony experience and is rated to be an expert witness in multiple court jurisdictions. He also has been an equity investor in multiple large scale office buildings throughout Metro Washington, DC.

Mr. Duffy has also been a frequent speaker at industry forums, and has had articles published in a variety of trade journals. He also has been an instructor for The Appraisal Institute and NYU, as well as a guest lecturer at Johns Hopkins University and ICSC.

He also is or has been a “pro bono” Director/Trustee at such organizations as DeMatha Catholic High School; Archbishop Spalding High School; DCBIA, and The Appraisal Institute (DC Chapter, 2011). He also recently retired from actively coaching high school sports (lacrosse) for many years.

In addition, he is a founding principal of Prosper Investment Partners, LLC, a real estate advisory group. Prosper intends to “co-invest” and/or acquire properties for its own account, or “source” for others “off-market investment opportunities” as an advisor.