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Hall Estill Welcomes New Shareholders O'Connor and Irby, and Associates Shipley and Dowdell to the Tulsa Office

December 1, 2017

Hall Estill, Oklahoma’s leading law firm, with offices in Tulsa, Oklahoma City, Denver and Northwest Arkansas, announces that William “Bill” W. O’Connor and Jerrick L. Irby have joined the firm as Shareholders, and Margo E. Shipley and John “Jack” W. Dowdell and have joined as Associates in the Tulsa office. 

Bill has been practicing law for nearly 30 years and concentrates his practice in the litigation arena, specifically complex litigation in energy, pharmaceutical and medical device, employment, securities, antitrust, class action, intellectual property, construction, and tort and insurance law. He has been recognized as a Best Lawyer in America in Commercial Litigation, as well as an Oklahoma Super Lawyer in Business Litigation, where he has been named among the top 50 attorneys in the state. 

Jerrick has focused his legal career in the litigation arena, assisting clients in the areas of complex business and general litigation. While in law school, he served as managing editor of the Tulsa Law Review and was inducted into the Order of Curule Chair. Jerrick has been named a Rising Star in Business Litigation by Super Lawyers. 
 
Margo will concentrate her practice in litigation, assisting clients in the areas of complex business and general litigation. She represented immigrant clients through the Immigrants’ Rights Project at the University of Tulsa College of Law Boesche Legal Clinic and was inducted into the Order of the Curule Chair. In addition, she served as notes and comments editor of the Tulsa Law Review while in law school.

Jack will also concentrate his practice in litigation, assisting various clients with complex business needs and other general litigation issues. While in law school, he was heavily involved as a member of the Tulsa Law Review.

“We are thrilled to have four outstanding attorneys join our team and we know they will be great representatives of our firm,” said Mike Cooke, Managing Partner for Hall Estill. “The knowledge and experience that Bill, Jerrick, Margo and Jack bring will be additional assets to our clients. They are excellent additions to our growing firm, and we know they will continue to build on the firm’s reputation for excellence.” 

Bill received his J.D. from the University of Oklahoma College of Law where he was a member of the Oklahoma Law Review. He serves on the Board of Directors for the William K. Warren Foundation, the Oklahoma Center for Community and Justice, and Special Olympics – Oklahoma. Bill is also an AV-rated attorney through Martindale-Hubbell, a Benchmark Litigation honoree, and was inducted into the Bishop Kelley High School Hall of Fame in 1999. 

Jerrick received his J.D. with highest honors from the University of Tulsa College of Law and is licensed to practice in Oklahoma, Missouri and Kansas.

Margo received her J.D. summa cum laude from the University of Tulsa College of Law and is a volunteer with Tulsa Lawyers for Children. 

Jack received his J.D. from the University of Tulsa College of Law. 

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About Hall Estill: 
Founded in 1966 in Tulsa, Oklahoma, Hall Estill is a full-service law firm with clients ranging from Fortune 500 corporations and medium-sized companies to nonprofit organizations, emerging businesses and individuals.  More than 150 legal professionals work in the firm at offices in Tulsa, Oklahoma City, Denver and Northwest Arkansas assisting a diversified base of local, regional, national and international clients.