Dr. Hammel is a Fellow of the American Academy of Forensic Sciences, a Fellow of the American College of Dentists, a Fellow of the International College of Dentists, and a Fellow of the Pierre Fauchard Academy. She served eight years on the Michigan State Board of Dentistry, from 1992 2000, and was a Dental Examiner for the Northeast Regional Board of Dental Examiners. She is the Forensic Dental Consultant to the Oakland County Medical Examiners Office, and to Children's Hospital of Michigan, and was a consultant to the Wayne County Medical Examiner's Office from 1985-2000. Dr. Hammel is also an advisor to the Medical Advisory Board to the Family Independence Agency (of Michigan). She has been the Assistant Team Leader to the Michigan Forensic Dental Identification Team, head of the Postmortem Section since 1985, and has participated in three aviation disasters, and the WTC Identification unit. She has been a member of DMORT since 1996, and was Board Certified the same year. Dr. Hammel served on Board of Directors to the ASFO, 1991-1994; and served as Program Chair for the Odontology Section AAFS 1998-2000; Section Secretary 2000-2002; Section Chair 2002-2004. She was elected to the Board of Directors of the ABFO in 2001, and re-e1ected in 2004. Dr. Hammel was a member of the policy planning committee of the ADA to explore "Does Dentistry have a Role in the Event of a Bioterrorist Attack?" Chicago, 2002. Her publications include Journal of the Michigan Dental Association, May, 1995. Archives of Pediatric and Adolescent Medicine, April 1996 (cover story) and The New England Journal of Medicine, Sept. 11, 2003.