Photo of the face and shoulders of a smiling, middle aged white person wearing a black hat and shirt, eyeglasses, with blond hair in a ponytail over one shoulder.

JA Grier

Senior Scientist and Senior Education and Communication Specialist

Professional History

Dr. Grier recieved her PhD in Planetary Sciences in 1997 from the University of Arizona where she determined the ages of impact events using remote sensing and samples analysis techniques. She joined PSI in 1999.

PSI is a nonprofit 501(c)(3) corporation, and an Affirmative Action/Equal Opportunity Employer, including disability/veterans.

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Planetary Science Institute
1700 East Fort Lowell, Suite 106
Tucson, AZ 85719-2395
Tel: 520-622-6300 • Fax: 520-622-8060
www.PSI.edu