Our Staff

John Hornback - Executive Director

John Hornback has served as executive director of Metro 4 and SESARM since January 2002. A native of Kentucky, he has a B.S. in Biology and served nearly 25 years in Kentucky’s environmental agencies, first in the water program and later for nearly a decade as director of the Division for Air Quality. He has been a soccer referee for nearly two decades. He has photographed nearly 300 covered bridges across the country. His family includes his wife (since 1977) and two adult sons.  John works with the southeastern agencies on technical and policy issues.


Chad LaFontaine - Executive Director (Elect)

Chad LaFontaine has been hired by the Boards of Directors of Metro 4 and SESARM, effective September 1, 2020. Chad will assume all Executive Director responsibilities on October 1, 2020. Chad is a veteran air quality professional, having served for over 25 years with Mississippi's Department of Environmental Quality, the last three years as Chief of the Air Division. He has a BS in Chemical Engineering from Mississippi State University and holds various certifications including with the Mississippi Board of Professional Engineers.


Other Staff - Additional new staff and their respective responsibilities will be announced in coming months.