Bill's practice focuses on administrative practice before all state agencies; legislative practice before the Virginia General Assembly; land-use and administrative practice before all Northern Virginia jurisdictions and agencies; and a corporate governance practice.

Bill is currently a member of the American Law Institute and the American College of Real Estate Lawyers, and a member of the Fourth Circuit Judicial Conference. He has written extensively in the condominium field, lectured on the changing electric utility business, and taught courses on Robert's Rules of Order.