Heidi Harralson, M.A., CDE, D-BFDE holds a Master's degree in Handwriting Science & Forensic Document Examination, Prescott College, Prescott, Arizona. She is a forensic document examiner with Spectrum Forensic International, LLC in Tucson, Arizona. An instructor, expert witness, and certified forensic document examiners with over 25 years of experience, she is board certification with the Board of Forensic Document Examiners whose certification procedures are accredited by the Forensic Specialties Accreditation Board (FSAB).

Larry S. Miller, Ph.D., D-BFDE is Distinguished Professor and Chair of Criminal Justice and Criminology at East Tennessee State University (ETSU). He received his Bachelor of Science from ETSU, a Master of Science from Eastern Kentucky University, and his Ph.D. in Health & Safety with collaterals in Forensic Anthropology and Criminology from The University of Tennessee. Miller, who has worked as a police officer, criminal investigator, and crime laboratory director, teaches in the area of law enforcement and is the author of several books on topics including forensic document examination, criminal investigation, criminal justice report writing, police photography, and more.