Dimensions

Our People

Dimensions has been in business since 1991. We are passionate advocates of organizational well-being. We are a company dedicated to the notion that the best employers get the best efforts of their employees by providing safe and healthy work environments.  

David Machles, Ed.D., MPH, COHN-S, has more than 26 years experience in health, safety, and organizational development. He specializes in safety culture assessments, team development, worksite evaluation, policy development and training. David completed his doctorate in organizational learning. He helps organizations establish systems that foster employee involvement and enrich the organization through mentoring and staff development. David is an active member in the American Society of Safety Engineers, has published several peer reviewed articles and presents regularly on the local, state and national levels.

Karen Mastroianni, Ed.D., MPH, COHN-S, FAAOHN, works with a variety of companies to provide solutions and assistance in developing effective organizational and individual wellness and safety programs. Karen has more than 28 years experience in the health promotion and safety fields. She completed her doctoral degree in Adult Education, specializing in organization and workforce development. It was through her work experience that she realized the link between both areas in ensuring effective wellness and safety initiatives. She is active in her professional organization and has presented at local, state, and national conferences on a variety of health and safety topics. She is co-author of a book and has published numerous articles.

Lisa Trumps provides essential project management and support for the many activities Dimensions implements. She has a degree from Radford University and has extensive experience in supply chain management. She is available to provide support for client projects and has the organizational skills essential to ensure smooth operations.

Dave Meister has over 20 years of experience in the health, safety and environmental fields. He has a bachelor of science in business administration from the State University of New York at Buffalo and an associates in applied science in ecology and environmental technology from Paul Smith’s College in the Adirondack Mountains of N.Y. David has been associated with Dimensions and involved in the N.C. ASSE for the past 13 years since moving to the Research Triangle Park. Recently, David has been specializing in analysis, training, and implementation of safety and environmental management systems for various companies in the RTP area.

Terri Campbell, M.S., has an extensive background in health/wellness and physical education. Her master’s degree is in exercise and sports science. She has a wealth of experience teaching in diverse educational settings and has published articles and presented at local, state, and national conferences. Terri is an experienced CPR, first aid, and AED instructor. She also assists with safety classes and implementing health and wellness activities.

Bob Fox is a physician assistant and a CPR and first aid instructor. He is certified to teach by the National Safety Council and American Heart Association. He is also certified to teach Automatic External Defibrillator and was one of the first instructors in the state of North Carolina.

Shelley Kittrell, MPA, has worked in a variety of health care settings and is certified through the American Heart Association, American Red Cross, and National Safety Council as a CPR/AED, first aid, and blood borne pathogen instructor. Shelley also assists with health screenings and enjoys working with the diverse populations served by Dimensions. She has worked with Dimensions since 2008.

Maria Holmes, MPH, CSP, CIH, has nearly six years experience as an OSHA compliance officer with the N.C. Department of Labor. Maria holds a bachelor’s of science in chemistry and a master’s in public health from the University of North Carolina at Chapel Hill where she specialized in industrial hygiene. She has worked with Dimensions since 2001 providing safety consultation and industrial hygiene oversight.

Anne Glenn, RN, COHN-S, is an occupational health nurse providing occupational health nursing services to companies in the area. She also assists with health screenings and health coaching projects.