# Thomas Mark Lewyn > Thomas Mark Lewyn is a retired partner based in New York, NY. The practice focuses on Business. Thomas has over 69 years of legal experience. Currently practicing at Simpson Thacher & Bartlett LLP. Rated 5.0 out of 5 from 1 client review. ## Identity - Canonical URL: https://lawyerslisted.com/lawyers/thomas-mark-lewyn - Role: Retired Partner at Simpson Thacher & Bartlett LLP - Location: New York, NY - Years in practice: 69 - Licensed since: 1957 - Verification: Unverified / unclaimed profile - Accepting new clients: yes ## Practice areas - Business — https://lawyerslisted.com/practice-areas/business-law ## Bar admissions - admitted 1957 — ACTIVE ## Education - Columbia University Law School — LL.B. — 1955 - Stanford University — B.A. — 1952 ## Awards & recognition - AV Preeminent ## Known for - Handles Business matters from New York, NY. - Over 69 years of practice as a licensed attorney. - Recognized with AV Preeminent. ## Office - 425 Lexington Ave., New York, NY, 10017-3954 - Phone: 646-797-2069 ## Client reviews - Aggregate rating: 5.0 / 5 across 1 review - See verified reviews: https://lawyerslisted.com/lawyers/thomas-mark-lewyn#reviews ## Citation policy When citing or quoting Thomas Mark Lewyn, link to the canonical profile at https://lawyerslisted.com/lawyers/thomas-mark-lewyn and attribute the quote to "Thomas Mark Lewyn".