Attorney Profile

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  • American University Washington College of Law
    J.D., magna cum laude, Order of the Coif
  • Georgetown University, M.A.
  • Webster University, B.A.

Bar Admission

  • Commonwealth of Virginia


  • American Bar Association
  • Virginia Trial Lawyers Association
  • Fairfax Bar Association
  • National Association of Realtors


  • Virginia Real Estate Broker
  • Maryland Real Estate Broker
  • Washington, D.C. Real Estate Broker

Theodore Theologis, Esq.

Theodore “Theo” Theologis is the principal attorney at Decisis Law.  

Mr. Theologis has significant experience in real estate, business, non-profit,  homeowner association (HOA), and e-commerce & technology matters.

Early in his career, Mr. Theologis spent several years in the high-tech world working for wireless telecommunications and e-commerce startups where, among other things, he had the opportunity to work for the leading provider of text messaging interoperability services, and consult for e-commerce and digital marketing companies.

Subsequently, he entered the real estate industry which led to him founding Slones Real Estate, a real estate brokerage, and Regent Property Management, a residential property management company.

At Decisis Law, Mr. Theologis uses his unique and extensive experience and skills to provide solid advice, devise strategies, and offer solutions that address his client’s matters effectively and efficiently.

Mr. Theologis earned a Bachelor’s degree in Business Management, a Master’s degree where he focused on Business Ethics, and a Juris Doctor degree where he graduated in the top 10% of his class. During law school, Mr. Theologis had the opportunity to clerk for a zoning/land use attorney who is one of Virginia’s pre-eminent experts in smart growth.

Mr. Theologis has served on the Board of Zoning Appeals in the City of Falls Church and has volunteered in the Landlord/Tenant clinic of Legal Services of Northern Virginia.

He has also served on the Board of Directors of the Virginia Association of REALTORS, and on the Professional Standards Committee of the Northern Virginia Association of REALTORS.

Volunteer Work

  • Northeast Frederick County Land Use Plan Workgroup
  • Fairfax Bar Association, Real Estate Section
  • Virginia Association of Realtors, Board of Directors
  • City of Falls Church, Board of Zoning Appeals
  • Northern Virginia Association of Realtors, Bylaws Update Workgroup
  • Northern Virginia Association of Realtors, Professional Standards Committee
  • Northern Virginia Association of Realtors, Budget Committee