John W. Simmons

Jim McColgan serves as Of Counsel in our office in Memphis, Tennessee, and he concentrates his practice on medical malpractice defense and appellate work. With three decades of experience in both civil and criminal courts, Jim protects the rights of hospitals, urgent care clinics, physicians, CRNAs, nurse practitioners, risk management professionals, physician groups, administrative staff, insurers, and other health care professionals in complex and high-exposure litigation in state and feder...

Susan Callison is an attorney with Harris Shelton PLLC in Memphis, Tennessee whose practice focuses on Trusts and Estates . For more than 45 years, Susan Callison has advised individuals and families on trust, estate, and income tax planning. Her work often involves helping clients plan for the transfer of wealth while addressing personal, financial, and tax considerations. In addition to traditional estate planning, Ms. Callison regularly assists with matters related to privately held busine...

Mr. Henderson is the Managing Shareholder of the Memphis office. He has represented management in employment and labor relations matters for over 25 years. He has served as lead counsel in numerous jury trials in state and federal courts across the nation. His trial experience includes defending state and federal discrimination and harassment lawsuits, class actions, FMLA claims, ERISA and benefit claims, trade secret and unfair competition matters, and related state law claims. He also handl...

Ashley D. Cleek is a medical malpractice defense attorney based in Jackson, Tennessee, with more than 20 years of experience representing healthcare professionals and organizations. He focuses his practice on Medical Malpractice Law – Defendants, handling a wide range of matters involving allegations of medical negligence in both litigation and settlement contexts. Ashley represents physicians, hospitals, clinics, and other healthcare providers, providing thoughtful analysis and practic...

John J. Cook is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Tax Law and Trusts and Estates. John J., who practices law in Memphis, Tennessee, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John J. is held by other top lawyers in the same geographic and legal practice area.

Doug is a member of Butler Snow’s Business Services Group. He is a trusted advisor to financial institutions and corporate clients, with a practice focused on mergers and acquisitions, securities law and regulatory compliance. Doug counsels banks, holding companies and other businesses on complex transactions and compliance matters involving federal and state regulatory agencies. He also provides strategic guidance to boards of directors and senior executives navigating critical busines...

Tannera Gibson focuses on employment law, municipal law, healthcare liability, and commercial and business litigation. Ms. Gibson has extensive litigation and trial experience, and significant experience in conducting investigations and presiding over administrative matters. She is currently the Secretary/Treasurer of the Memphis Bar Association, is an active member of the community, and maintains a solid pro bono practice.

Richard J. Myers is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration, Commercial Litigation and Litigation - Real Estate. Richard J., who practices law in Memphis, Tennessee, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard J. is held by other top lawyers in the same geographic and legal practice area.

John J. Heflin III is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Labor and Employment and Litigation - Trusts and Estates. John J., who practices law in Memphis, Tennessee, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John J. is held by other top lawyers in the same geographic and legal practice area.

Kate Van Namen is the Co-Chair of Butler Snow's Construction Task Force and a member of the firm's Commercial Litigation Practice Group. She is licensed to practice law in Tennessee, Mississippi, and Arkansas and concentrates her practice in all areas of construction law, including contract drafting and negotiation, project delivery systems, liens, licensing issues, construction mediation, litigation, arbitration, and dispute resolution procedures. Kate has experience drafting and negotiating...