James A. Kopfensteiner is an associate in the Corporate and Transactional practice. He is committed to understanding the industry in which his clients operate. Clients rely on James to analyze each corporate transaction matter to develop strategic solutions for their immediate and long-term business and operational goals. 

Working closely with seasoned Polsinelli attorneys in the Corporate and Transactional practice, James counsels clients in all aspects of the life cycle of the client’s business, from selecting the appropriate choice of entity to exit strategy. 

Education

  • University of Missouri (J.D., 2018)
    • Missouri Law Review, Articles Editor
  • Washington University in St. Louis (B.A., 2014)
    • Biology

Bar Admission

  • Missouri, 2018

Professional Affiliations

  • Missouri Bar Association 

Recognition

  • Named one of Best Lawyers: Ones to Watch® in America in:
    • Corporate Law, 2026
    • Mergers and Acquisitions Law, 2025-2026