| 1972 – 1976 |
Iowa State University, Bachelor of Sciences degree |
| 1976 – 1978 |
Biofeedback technician and Nutrition Educator at Centers for Health & Wellness, Des Moines, Iowa. |
| 1977 |
Graduate Studies in Education at Iowa State University. |
| 1982 |
Received Doctor of Chiropractic degree from Northwestern College of Chiropractic. |
| 1982 - 1989 |
Private practice in Minnesota. Appeared on radio and TV on health related shows in order to educate the community. |
| 1985 - 1988 |
Guest faculty lecturer at Northwestern College of Chiropractic. |
| 1988 |
Received diplomate from American Board of Chiropractic in Nutrition. |
| 1989 - 1991 |
Chiropractic Consultant – consulting doctor regarding clinical chiropractic practice. |
| 1992 - present |
Private practice in chiropractic in Sunnyvale, CA. |
| 1992 - present |
Speaker for Doctors’ Speakers Network presenting health lectures to employees of companies such as Apple, HP and Cisco Systems.
Dr. Petersen speaks on average 2 – 4 times per month. |
| 1986 - present |
Advanced Post Graduate Clinical Nutrition study several times per year with instructors from the Functional Medicine Institute. |
| 1988 - present |
Certified Clinical Nutritionist requiring yearly education and certification. |
| 1999 - present |
Clinical Nutrition Director of HealthNOW Medical Center. |
