Please see About Us in the top menu for more information on Metro 4 and SESARM, the nonprofit organizations serving respectively 27 local and state air pollution control agencies in the Southeast. While this web site is designed primarily to serve the needs of the member agencies, we offer certain information on our site for general public use as well. Thank you for visiting.


Announcing new Florida air agency director.  (December 5, 2016) Jeff Koerner has been appointed Director of the Florida Division of Air Resource Management, effective today. 

Jeff replaces Justin Green who is now Director of the Division of Water Resource Management.  Jeff served most recently as Deputy Director of DARM.  Prior to his time at the state agency, Jeff worked for the Palm Beach County Health Department as well as in the private sector.  He has a Bachelor of Science in Mechanical Engineering from the University of Florida and is a licensed Professional Engineer.  We welcome Jeff to his new position. 


Announcing new air program chief for Miami-Dade County, Florida.  (November 16, 2016)  Bernardo Bieler was recently named Chief of the Air Quality Management Division in Miami-Dade County’s Department of Regulatory and Economic Resources. 


Bernardo has served for the past year as Chief of the Air Facilities Section of the Division.  His educational background includes a degree in Civil Engineering from the University of Zulia in Maracaibo, Venezuela, an MS in Water Resources from the University of Miami, and graduation is pending for an MS in Transportation and Project Management from Florida International University.  He has over ten years of experience in the private sector including time in the coal mining industry and as a storm water drainage and roadway design engineer.  He was an adjunct professor in the engineering department at FIU for more than six years.  He is a registered professional engineer in the State of Florida.  We welcome Bernardo to his new position.


Announcing new air program manager for Jacksonville, Florida.  (October 17, 2016)  Michael C. Williams began his service as Manager of Jacksonville's Air Branch today. 

Michael Williams

Mike is a graduate of Colorado State University from which he earned a bachelor's degree in chemical engineering.  His work experience includes engineering, sales, and management in the petroleum, hazardous waste, and nuclear fuels industries, and as an environmental consultant, private investigator, and business owner.  Mike assumes the position most recently filled by Steve Pace and will report to Melissa Long, director of the Environmental Quality Division.  We welcome Mike to his new position.