People List

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William C. Herz, MPH

Executive Director

As Executive Director of the National Lime Association (NLA), Bill Herz manages all activities within the trade association environment. He specializes in environmental regulatory compliance and pre-compliance integrated with proactive outreach and stewardship.
Hunter L. Prillaman

Director of Government Affairs and Senior Counsel

As NLA’s Director of Government Affairs and Senior Counsel, Mr. Prillaman’s duties involve managing the association’s government relations activities, including organizing member lobbying, participation in industry coalitions, review of laws and regulations, and direct contacts with regulatory agencies and legislative staff. He also serves as the liaison to NLA’s Health and Safety Committee. Before joining […]
Jonathan De’Ath

Director of Environmental Affairs

As Director of Environmental Affairs, Jon De’Ath supports the NLA’s regulatory advocacy program and provides technical support to the environmental committee, health and safety committee, and Board of Directors. Jon joined the NLA in 2011 and was previously an environmental consultant with over 20 years’ experience. Jon’s areas of experience and expertise are in environmental […]
Bradford Frisby

General Counsel

As General Counsel, Mr. Frisby provides legal advice on laws, regulations and policies impacting the lime industry, including environmental, sustainability and health & safety issues. Prior to joining NLA in 2016, Bradford spent 20 years representing the mining industry as an attorney with the National Mining Association. Bradford’s areas of expertise include environmental law and regulation, energy […]
Deborah J. Maffett

Director of Finance, Administration & Events

Deborah Maffett, with over 30 years of professional experience, is the Director of Finance, Administration & Events for NLA where she manages the financial planning and reporting duties, administration of human resources, information technology, website maintenance and office administration. In addition, she is responsible for handling the annual meeting, board of director’s meetings, and committee […]

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