Research Interests:
- International Health and Development
- Organizational Behavior and Development
- AIDS and Global Disease, including Bioterrorism
- Strategic Planning and Systems Thinking

Courses Taught in Curriculum :
DHA 708: Organizational Theory and Behavior for the Health Professions
DHA 709: Seminar in Health Dynamics: Current Issues, Trends and Change
DHA 714: Health Systems Thinking and Practice
DHA 717: Seminar in Healthcare Dynamics: Stakeholder Relations
DHA 728: Health Systems Excellence
DHA 898: Health Professions Dissertation (Chair)

Recent Publications:
Dr Johnson has published 7 books and numerous articles on the following:

International Health and Development
Organizational Behavior and Development
AIDS and Global Disease, including Bioterrorism
Strategic Planning and Systems Thinking
Presenter at International Conferences

Associations and Memberships:
- Organization Development Institute
- American College of Healthcare Executives
- American Association of University Professors
- American Public Health Association, Member
- New York Academy of Sciences
- National Social Science Association, past Board Member
- Association of University Programs in Health Administration, past Board Member