Board of Directors

Michaela A. Hall



Gumi Mabvuta



Gumi is an Industrial Hygienist in the Operations and Oversight Division for the DOE site office at ORNL where he has responsibility for contractor oversight of industrial hygiene and radiation protection programs. Gumi has led and participated in several health and safety assessments on behalf of the DOE site office. He has a BS in Radiation Therapy and an MS in Industrial Hygiene from the University of Alabama at Birmingham.

Mary C Moore

Vice President


Mary has 18 years of experience as an Industrial Hygiene between her service in the Air Force and the civilian sector. Currently, she is an Industrial Hygienst at Y-12 where her primary responsibility is managing the Beryllium Program. She has her BS and MS in Occupational Safety and Health and is a certified CSP.

Matthew Harrison



Matt has 15+ years of experience providing occupational safety and health support within a research and development environment where he was responsible for evaluating the hazards posed by a variety of toxic chemicals used in a laboratory setting. He is currently employed by UT -Battelle, LLC where he serves as Group Leader of the Safety Services Division’s Health and Safety Technical Services Group. He has a master’s degree in Safety Management from the University of Tennessee and is a Certified Industrial Hygienist and Certified Safety Professional.

Mark D. Smith



Mark holds an MPH from the University of Tennessee Knoxville.  His certifications include CSP, CIH and CHMM.  He is a Past President of the TVS-AIHA, the East TN Chapter of AHMP.

Michaela A. Hall

Outreach Coordinator


Max Bertram

Director - Third Year


Max currently works as a Safety Professional for UT Battelle at the Oak Ridge National Laboratory.  He is a Certified Safety Professional with over 25 years of experience in safety and industrial hygiene.  He holds a B.S. in Environmental Health from East Tennessee State University and both an M.S. in Safety Management and an MBA from the University of Tennessee. 

Mark Houston

Director - Second Year


Mark is currently an industrial hygienist at Oak Ridge National Laboratory (ORNL). Prior to ORNL, he worked at Sandia National Laboratories and completed industrial hygiene internships with Marathon Pipeline LLC, Marathon Petroleum Corporation, and CSX Transportation. Mark served as Treasurer and President of the Rio Grande Local Section of the American Industrial Hygiene Association (RGAIHA) from 2016 to 2020. He has his undergraduate degree from EKU (2011) and master’s from UAB (’13). Mark is a Certified Industrial Hygienist and Certified Hazardous Materials Manager.

Ryan Cannady

Director - First Year



Andrew L. Bryson

Advisor (Past President)


John P. Dugger

Advisor (Past President)


Billey Thomas

Advisor (Past President)

UT -Battelle


Billey is currently an industrial hygienist at Oak Ridge National Laboratory (ORNL). Prior to ORNL, he worked at UCOR and URS at various Oak Ridge DOE sites. He received his undergraduate degree in Electronic Systems Technologies with an Emphasis in Management from Southern Illinois University at Carbondale and his MBA from Lincoln Memorial University. Billey has been an active board member for the TVS-AIHA. He is a Certified Safety Professional and Occupation Hygiene and Safety Technician.

Michaela A. Hall

TVS-AIHA Administrator