Learn more about the field of Occupational and Environmental Health Nursing and why COHN or COHN-S certification may be right for you. This short self-paced module will introduce you to the OEHN profession and provide a overview of the career options in the field. This module is part of the 19-module OHN Prep Course Package. 

• Mary Doyle, MPH, RN, COHN-S/CM, is the Deputy Director and Continuing Education Director for the Johns Hopkins Education and Research Center for Occupational Safety and Health. She has more than 33 years of experience in occupational health in industrial, Federal and academic settings, including experience as the sole proprietor of her own consulting business. She is well recognized in our region as a leader in occupational health education and, as a result, is frequently invited to participate on planning committees for major educational activities.

The Center for Health, Work & Environment at the Colorado School of Public Health has partnered with the The Johns Hopkins Education and Research Center for Occupational Safety and Health at the Bloomberg School of Public Health to deliver continuing education to occupational health nurses.