Professional Experience

As an attorney recognized with Martindale-Hubbell’s highest rating (AV-Distinguished), Mark is highly regarded by clients and the legal community on the whole for his ethical standards, experience and proven record as one of the leading environmental lawyers in Arkansas.

Companies large and small turn to Mark and his team to help navigate regulatory issues. Throughout his more than 35 years in practice, Mark has represented clients in a range of environmental, energy and other regulatory and administrative matters, including Clean Air Act, Clean Water Act, and Superfund litigation, contract negotiation and litigation, permitting assistance and appeals, and regulatory analyses.

From steel to paper products; organic farming to food production and processing; renewable energy to farm lending, Mark uses his in-depth knowledge and his ability to successfully represent his clients’ interests whether in the boardroom, legislative or regulatory agency or the courts.

As a result of his career-long dedication to the practice, Mark is frequently asked to speak on environmental issues to local and national organizations. He also volunteers his time to a variety of professional and community organizations.

Mark is a member of the American Bar Association (natural resources, environmental and energy law, science and technology and law firm management sections); Arkansas Bar Association (past chair, environmental law and agriculture sections; tenured member of the House of Delegates); Arkansas Bar Foundation (past board member); and Arkansas Environmental Federation (board member).


In addition to Mark’s Martindale-Hubbell AV-Distinguished Rating, he has been named to The Best Lawyers in America© since 2011 in the category of Environmental Law and is listed in Mid-South Super Lawyers (2014 – 2015, 2017 – 2021) in the categories of Environmental, Administrative Law, Environmental Litigation, Civil Litigation: Defense.

Community Involvement

Mark has served the Centers For Youth & Families Agency as a board member since 2015, including a term as board chair.


Mark and his wife, Becky, have been married 43 years and have two sons, Jeff and Chris. He grew up in East Africa and graduated from the Rift Valley Academy in Kijabe, Kenya.

Presentations & Publications

  • “The Challenges of Carbon Sequestration” moderator, Environmental Issues in Region 6: Recent Developments and Hot Topics, June 14-15, 2010
  • “Survey of 2012 Air Cases,” Arkansas Environmental Federation, April 23, 2013
  • “Legal Ethics and Technology,” Arkansas Bar Association’s Best of CLE, Arkansas Municipal Attorneys Association, June 2014
  • “Definition of the Waters of the U.S.,” Arkansas Environmental Federation, October 2014
  • “Judicial/Legal Update,” Arkansas Environmental Federation, April 12, 2016
  • “The EPA Under Trump,” Arkansas Environmental Federation, March 29-30, 2017
  • “Judicial Review of Agency Action,” Arkansas Environmental Federation, April 17, 2018
  • “Sovereign Immunity: Holford Bonds, the Brooks-Baxter War, and the Constitutional Convention of 1874”, Arkansas Bar Association Annual Meeting, June 13, 2018; The Arkansas Lawyer, Winter 2019
  • “Who Owns the Law,” Industries for the Environment, Arkansas Environmental Federation Newsletter, July/August 2018
  • “Startup, Shutdown and Malfunction: The History,” Arkansas Environmental Federation, October 10, 2019
  • “Regulation Wars,” Arkansas Environmental Federation, June 18, 2020
  • “Biden and the EPA – 60 Days In,” Arkansas Environmental Federation, March 19, 2021 (with Eli C. Bauer)
  • “The Police Power – Don’t Get Taken,” Arkansas Bar Association Environmental Law Section, April 20, 2021
  • “Environmental Justice – 2021 Update,” Arkansas Environmental Federation, October 6, 2021 (with Eli C. Bauer)

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