Diane K. Tolliver was the 26th President of the American Society of Questioned Document Examiners.​

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Ms. Tolliver received a Bachelor of Science in Criminology from Indiana State University and a Masters of Public Affairs degree from Indiana University. 

She was employed in the Laboratory Division of the Indiana State Police from 1975 until her retirement in 2011. 

She worked as a forensic document examiner from 2012 until she retired from private practice in 2019.​

Ms. Tolliver became a Regular Member of the Society in 1990.  Prior to her election as president, she served as secretary and vice president. 
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She is a Diplomate of the American Board of Forensic Document Examiners, a Fellow of the American Academy of Forensic Sciences, and a member of the Midwestern Association of Forensic Scientists. 

She is the author of a number of published articles and professional papers.

Ms. Tolliver is a Life Member of the ASQDE. She continues to serve the Society as the ASQDE Resource Center Curator.