John R. "J. R." Whaley

Kari A. Bergeron is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Kari A., who practices law in Baton Rouge, Louisiana, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kari A. is held by other top lawyers in the same geographic and legal practice area.

Michael J. DeBarros is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Litigation - Insurance. Michael J., who practices law in Baton Rouge, Louisiana, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael J. is held by other top lawyers in the same geographic and legal practice area.

Mr. Slaton concentrates his practice in commercial real estate, including land use and zoning matters, leasing and finance. He joined Stone Pigman in 2004.

James R. Chastain, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Trademark Law and Venture Capital Law. James R., who practices law in Baton Rouge, Louisiana, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James R. is held by other top lawyers in the same geographic and legal practice area.

Kelsey K. Funes is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Construction. Kelsey K., who practices law in Baton Rouge, Louisiana, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kelsey K. is held by other top lawyers in the same geographic and legal practice area.

Lexi T. Holinga is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Defendants. Lexi T., who practices law in Baton Rouge, Louisiana, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lexi T. is held by other top lawyers in the same geographic and legal practice area.

Walt Green focuses his practice on cybersecurity, white collar criminal defense and governmental investigations, and litigation. He is a Financial Industry Regulatory Authority arbitrator dedicated to serving the securities industry and investing public. Walt was the United States Attorney for the Middle District of Louisiana and the Executive Director for the National Center For Disaster Fraud from 2013-2017. He retired from the United States Department of Justice with over 20 years of feder...

Mark A. Marionneaux is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Environmental and Mass Tort Litigation / Class Actions - Defendants. Mark A., who practices law in Baton Rouge, Louisiana, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark A. is held by other top lawyers in the same geographic and legal practice area.

Len Kilgore is a partner in the Baton Rouge office of Kean Miller. He is one of the founding members of the firm and has more than 30 years of litigation experience in environmental, oil & gas, and toxic tort litigation, including class action, multiple joinder, and toxic tort cases. Len represents local, national and international commercial, energy and industrial clients in litigation involving toxic tort claims, personal injury, property damage claims, environmental damage claims, wetl...

Jeff Gray is a senior partner in the Corporate Practice Group. For more than 30 years, Jeff has concentrated on corporate and commercial transactions, with an emphasis on commercial real estate development. Jeff has served as outside counsel to numerous Fortune 500 companies as well as local, regional, and national real estate developers. Jeff has also served as outside counsel for a broad array of national and international clients in the energy sector, with a focus on industrial site acquis...