Disadvantaged Business Enterprise (DBE) Certification Technical Assistance Go back to directory. Add to Address Book. Richard Gordon Transportation Business Development Specialist – Northern Virginia SBSDDisadvantaged Business Enterprise (DBE) Certification Technical Assistance Cell Phone: (571) 315 5010cell Personal Email: richard.gordon@sbsd.virginia.govINTERNET Categories: Disadvantaged Business Enterprise (DBE) Certification and Technical Assistance, Disadvantaged Business Enterprise (DBE) Certification Technical Assistance, SBSD Updated 2 years ago.