Biography
Zachary Langrehr is an associate in Armstrong Teasdale’s Corporate Services practice group. He is focused on general corporate, M&A and financing matters, among others.
Zachary also has experience with litigation, real estate, estate planning and other matters. In addition, he has a background in accounting.
Background
Prior to joining Armstrong Teasdale, Zachary was an associate in the St. Louis office of a national law firm.
Education
- Saint Louis University School of Law (J.D., 2020)
- Business Transactional Law Concentration
- 1843 Scholar
- Academic Excellence Award (highest class grade), IP and Global Entrepreneurship Seminar
- Saint Louis University Law Journal, Editor (2019-2020); Staff Member (2018-2019)
- Tax Club: President (Fall 2018-Spring 2019); 1L Representative (Fall 2017-Spring 2018)
- Southern Illinois University (B.S., summa cum laude, 2016)
- Accounting
- Howell Financial Services, Inc. Scholarship
- Academic Scholarship for Freshmen
- Beta Alpha Psi
- SIU Accounting Society
- Beta Gamma Sigma Honor Society
Admissions
Professional Activities
- The Missouri Bar
- Illinois State Bar Association
Charitable and Civic Involvement
- St. Louis Volunteer Lawyers and Accountants for the Arts (Pro Bono Attorney)
- Land of Lincoln Legal Aid (Pro Bono Attorney)
- Volunteer Income Tax Assistance (VITA) (Volunteer Tax Preparer)
- Adopt-A-Spot Program (Volunteer)
Accolades
- The Best Lawyers in America® Ones to Watch, Corporate Law (2025-present)









