E. Vance "Vance" Winningham, Jr.

Jessica Hatcher is a lawyer recognized by Best Lawyers in the practice areas of Energy Law and Oil and Gas Law. Jessica practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Jessica Hatcher since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jessica Hatcher is held by other lawyers.

John J. Griffin III is a lawyer recognized by Best Lawyers in the practice areas of Business Organizations (including LLCs and Partnerships), Closely Held Companies and Family Businesses Law, Commercial Transactions / UCC Law, Corporate Law, Litigation - Real Estate, Mergers and Acquisitions Law and Real Estate Law. John J. practices law in Oklahoma City, Oklahoma Best Lawyers has recognized John J. Griffin III since 2016. The Best Lawyers recognition is based on a peer-review survey of lawye...

Michael J. Heron is a Partner in our Oklahoma City office with over 30 years of legal experience. He specializes in protecting the rights of individuals and businesses in civil cases involving medical malpractice, professional liability, construction, transportation, and insurance matters. Mike represents hospitals, practice groups, physicians, nurses, and other health care professionals in a wide range of litigation, policies and procedures, compliance, investigations, business transactions,...

David has significant trial experience with complex commercial, intellectual property, trust and estates, tax, energy, and environmental litigation matters in both state and federal courts. He has successfully tried to verdict complex litigation matters in state and federal courts, and under the rules of the American Arbitration Association. He has successfully argued before state and federal appellate courts. In addition, he has experience with matters before state and federal administrative...

Amy J. Sine is a lawyer recognized by Best Lawyers in the practice areas of Litigation - Trusts and Estates, Nonprofit / Charities Law and Trusts and Estates. Amy J. practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Amy J. Sine since 2003. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Amy J. Sine is held by other lawyers.

I did not always know that I wanted to become an attorney. After graduating from the University of Oklahoma with a degree in psychology, I was still searching for a meaningful career path. I decided to take time to explore my interests and moved to New York for a year. While there, I observed a law school class with a friend, an experience that sparked my interest in the law. That moment led me to prepare for the LSAT and ultimately enroll at Touro Law School. Law school proved to be a transf...

Amy brings more than 25 years of experience in trial and appellate practice, with a career shaped by leadership roles and in-depth involvement in Family Law matters. Her background includes serving with Oklahoma Child Support Services, where she helped lead the state’s implementation of the Uniform Parentage Act, as well as her service as a District Judge for the Cherokee Nation. This range of experience provides her with a well-rounded understanding of family law issues affecting indiv...

Jesse Chapel is a lawyer recognized by Best Lawyers in the practice area of Litigation and Controversy - Tax. Jesse practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Jesse Chapel since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jesse Chapel is held by other lawyers.

Stacey D. Spivey's practice focuses on estate planning and trust and estate administration and litigation. Ms. Spivey works with individuals to prepare and implement their estate plans to meet family, tax and other goals, including business succession planning. She also works with individuals and fiduciaries on the management and settlement of trusts and estates, including probate administration, preparation of federal estate and gift tax returns, and estate and trust litigation matters. Ms. ...

Mark R. McPhail is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation and Litigation - Real Estate. Mark R. practices law in Oklahoma City, Oklahoma Best Lawyers has recognized Mark R. McPhail since 2013. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Mark R. McPhail is held by other lawyers.