The National Lime Association
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NLA Staff

Home/About Us/NLA Staff
  • Overview
  • Mission
  • NLA Staff
  • Links and Public Information
  • Frequently Asked Questions
  • Contact Us

NLA Staff

  • William C. Herz, MPH

    Executive Director

  • Jonathan De’Ath

    Director of Environmental Affairs

  • Bradford Frisby

    General Counsel

  • Deborah J. Maffett

    Director of Finance, Administration, & Events

  • Colleen McNickle, M.S.

    Communications Manager


NLA Consultants

  • Libby Pritchard

    Health and Safety Consultant

    Libby Pritchard is a health and safety consultant, conflict management practitioner, and keynote speaker with deep policy and operational experience across the mining, cement, and heavy industrial sectors. Through Libby Pritchard Consulting, she partners with companies to strengthen safety culture, team communication, and Total Worker Health—focusing on practical, human-centered approaches to stress, fatigue, and frontline […]

The National Lime Association

200 North Glebe Road, Suite 800
Arlington, VA 22203

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