# Peter John Mattheis > Peter John Mattheis is a member based in Washington, DC. The practice focuses on Business and Energy. Peter has over 41 years of legal experience. Currently practicing at Stone Mattheis Xenopoulos And Brew Pc. ## Identity - Canonical URL: https://lawyerslisted.com/lawyers/peter-john-mattheis - Role: Member at Stone Mattheis Xenopoulos And Brew Pc - Location: Washington, DC - Years in practice: 41 - Licensed since: 1985 - Verification: Unverified / unclaimed profile - Accepting new clients: yes ## Practice areas - Business — https://lawyerslisted.com/practice-areas/business-law - Energy — https://lawyerslisted.com/practice-areas/energy-utilities ## Bar admissions - admitted 2008 — ACTIVE - admitted 1986 — ACTIVE - admitted 1985 — ACTIVE ## Education - University of Pennsylvania — J.D. — 1985 - Miami University — B.S. — 1982 ## Known for - Handles Business and Energy matters from Washington, DC. - Over 41 years of practice as a licensed attorney. ## Office - West Tower, 8th Floor, 1025 Thomas Jefferson Street, N.W., Washington, DC, 20007-5201 - Phone: 771-220-5952 ## Citation policy When citing or quoting Peter John Mattheis, link to the canonical profile at https://lawyerslisted.com/lawyers/peter-john-mattheis and attribute the quote to "Peter John Mattheis".