John P. Schreiner

John P. Schreiner is a business lawyer, partner and Chicago office managing partner at Ashurst Perkins Coie. He counsels private and public companies, private equity and venture-backed businesses, family-owned enterprises, closely held organizations, and emerging companies on business needs ranging from daily operations to major transactions. His practice covers mergers and acquisitions, divestitures, private equity financings, corporate governance, commercial contracting, and general corporate matters across several industries.

John earned his J.D. from Georgetown University Law Center and a B.A. in Political Science from Illinois Wesleyan University. Before joining his current firm, he practiced as a corporate associate at K&L Gates and its predecessor firm in Chicago. His legal education and transactional background support a practice that requires careful structuring, negotiation, diligence, governance analysis, and clear documentation for complex business combinations, financings, commercial relationships, and strategic growth decisions.

John has represented clients in transactions involving food and beverage companies, manufacturers, distributors, outdoor-industry businesses, technology providers, biotechnology companies, and medical products and device companies. His work includes acquisitions, sales, venture and growth financings, strategic partnerships, licensing, distribution agreements, and outside general counsel matters. He has advised companies on deals involving pharmacy automation, veterinary practices, medical technology, digital marketplaces, infrastructure, building supply businesses, and consumer products.

John P. Schreiner has been recognized for middle-market deal work and was named among Illinois attorneys to watch in a 40 Under Forty program. He also serves as a guardian ad litem in minor-child guardianship matters and participates in conservation and community organizations. His business practice combines transactional execution with ongoing counsel, helping clients structure agreements, manage governance issues, raise capital, complete acquisitions or divestitures, and address strategic legal needs as their companies grow.

Law Office Affiliations

• Managing Partner, Ashurst Perkins Coie
• Member, Illinois State Bar Association
• Member, Chicago Bar Association
• Regular Member and Secretary and Director, Boone and Crockett Club
• Member, Chicago Chapter of Ducks Unlimited
• Guardian ad Litem, Cook County Probate Division

Licensed State

• Illinois

Education

• Georgetown University Law Center
  Juris Doctor (JD)
• Illinois Wesleyan University
  Bachelor of Arts (BA) in Political Science

Awards & Badges