Members of the Louisville Metro Air Pollution Control Board

Members of the Louisville Metro Air Pollution Control Board are appointed for a term of three years and then continue to serve until reappointed or a successor is appointed. A Board member may be reappointed to another 3-year term. An appointment to a vacancy shall be for the remainder of the original term.

Members of the Board have been invited to provide a brief biography, which are made available in the table below.

Board Member & Term

Carl Hilton (Chair)¹

Initially Appointed: 

Appointment Expires: 12/31/2023

Carl Hilton received his BSEE in Electrical Engineering from Tennessee State University in Nashville, TN. He worked at E.I DuPont de Nemours and Co for 33 years, retiring in 2003. He worked as an Environmental Manager in Rochester, NY; Deepwater, NJ; Wilmington, DE; Beaumont, TX; and Louisville, KY. He received awards from the DuPont Company, for Environmental Marketing Excellence in 1991, 2001, and 2002, and in 2017 received a Lifetime Community Service Award from Louisville Defender’s Newspaper. 

Since retiring from Dupont Co. he served as Executive Director of the West Jefferson County Community Task Force from 2007-2015.  

He is also a member of, Alpha Phi Alpha Fraternity, Sigma Pi Phi Fraternity (Boule’), NAACP, and Green Castle Baptist Church. 

Stephen Sullivan (Vice Chair)

Initially Appointed: 

Appointment Expires: 

Stephen Sullivan received his Bachelors of Science (1979) and Masters of Science (1983) degrees in geology from the University of Kentucky (UK). His career has been in environmental and transportation planning and engineering consulting spending the majority of that time with Commonwealth Technology, Inc. (Lexington) and The Corradino Group (Louisville). He retired in 2014 as Chief Financial Officer after 25 years with Corradino. 

Current and recent Board and Committee involvement include Vice Chair of the Louisville Metro Air Pollution Control Board, Chair of UK’s College of Arts & Sciences (A&S) Deans’s Development Council, UK’s A&S Capital Campaign Committee, Alumni Advisory Board-Department of Earth & Environmental Sciences (UK A&S), and Kentucky Geological Survey Board. 

Dr. Geoffrey Cobourn¹

Initially Appointed: 

Appointment Expires: 

Dr. Geoffrey Cobourn is an emeritus professor of mechanical engineering at the University of Louisville. Dr. Cobourn has researched and published scientific articles in the areas of fast-response measurement of airborne particulate sulfur, and air quality modeling for forecasting of ambient next-day ground-level ozone and fine particulate matter (PM2.5) concentrations. He has also taught courses in air pollution control, sustainable energy systems and turbomachinery. Current pursuits include oil painting, bicycling, travel and spending time with family.

Dr. Josephine Mei

Initially Appointed: 

Appointment Expires: 

Dr. Josephine Mei is a physician who specializes in pulmonary, critical care, and sleep medicine and has practiced in the Louisville area for 25+ years both in private practice and currently for Norton Healthcare. She has volunteered to be on the Air Pollution Control Board as well as a local board member of the American Lung Association previously, to advocate for improving the lung health of our citizens. The outdoors give her pleasure whether it be gardening, walking, or hiking, and she enjoys exploring new places and cuisines. 

Kandice Shobe-White

Initially Appointed: 

Appointment Expires: 

Kandice Shobe-White is the Manager of Data Analytics at Optum; a healthcare services company dedicated to making a healthier world. She has over 20 years of experience in reporting and data analysis in the healthcare and insurance industry. 

Kandice was born, raised, and currently resides in the historic West Louisville neighborhood. She was raised in a two-parent home with six brothers and one sister. Her parents promoted education and community involvement. Kandice enjoys spending time giving back to the community through the YMCA Black Achievers program, Big Brothers Big Sisters of Kentuckiana, and Habitat for Humanity. Kandice is a proud graduate of the University of Louisville where she earned her BA in Political Science with a concentration in policy analysis. 

Marisa Neal

Initially Appointed: 

Appointment Expires: 

Marisa Midkiff Neal is originally from central Florida. She earned a BA from Stetson University, along with MBA and MPA degrees from the University of Louisville. Marisa held positions in local and state government agencies until 2012 when she launched a consulting firm. Her clients have included small business, corporations, non-profits, and government agencies. 

In addition to the Air Pollution Control Board, Marisa serves on the board of the Network of Entrepreneurial Women and is treasurer of the Chamber of St. Matthews. She is a member of the Rotary Club of Louisville, Leadership Louisville, Louisville Independent Business Alliance, Junior League of Louisville, and Women Impacting Public Policy. 

The Chamber of St. Matthews honored her with the 2021 Community Pride Award. In 2020, Marisa was named the Kentucky Advocate of the Year by the Women's Business Enterprise Council Ohio River Valley, the regional partner of the Women’s Business Enterprise National Council. The Small Business Administration named her the 2014 Kentucky Women Small Business Advocate of the Year. 

Dr. Daniel Garst

Initially Appointed: 

Appointment Expires: 

Dr. Daniel Garst is a physician in the private practice of psychiatry. He also holds a Civil Engineering degree from undergraduate studies at the University of Virginia. He was born and raised in Louisville and, therefore, is concerned about our well-being locally. 

¹Section 128(a)(2) of the Clean Air Act requires the disclosure of a Board member who derives a 
significant portion of his/her income from an entity subject to APCD permits or enforcement orders.


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