Dr. Marcham is a Certified Industrial Hygienist, a Certified Safety Professional, and a Certified Hazardous Materials Manager. She has been designated a Distinguished Lecturer and a Fellow of the American Industrial Hygiene Association. She has served on the Board of Directors of the American Industrial Hygiene Association and the Board of Certified Safety Professionals.

Dr. Marcham's current research area is on the impact of the indoor use of electronic cigarettes. In addition, she has published on the safety and health certification examination process and the use of multiple-choice examinations to evaluate competency in safety and health knowledge and skills.