John S. Wisiackas


John S. Wisiackas approaches the practice of law with a commitment to professionalism and providing clients with valuable insight no matter what legal issue they are facing. John is an associate in Krevolin & Horst’s transactional group. John focuses his representation on general business law, including entity formation, general corporate governance, executive compensation and day-to-day business matters, as well as the sale and acquisitions of corporations and limited liability companies. John also has experience in real estate law, mostly with respect to negotiating commercial leases, and healthcare law, mostly in the regulatory compliance landscape.

Industries & Expertise

Practice Areas



  • Emory University School of Law, J.D., 2017
    • Executive Managing Editor of the Emory International Law Review
  • University of Virginia, BA in Economics, 2014


  • Georgia, 2017

Professional Associations & Memberships

  • Georgia Bar Association
  • Atlanta Bar Association


Before joining Krevolin & Horst, John practiced healthcare law and represented a variety of medical providers, with an emphasis on the representation of toxicology laboratories. While practicing healthcare law, John specialized in both transactional work and litigation. In addition to his work in medical practice acquisitions and general corporate matters, John practiced in regulatory compliance, private insurer and government payor audits, overpayment appeals, and complex litigation, often involving government payors and national insurance companies.

John is a graduate of the Emory University School of Law, with honors, and the University of Virginia, where he received a Bachelor of Arts in Economics.