Certified by the American Board of Forensic Document Examiners.
Member, and Past President, of the American Society of Questioned Document Examiners.
Member of the Questioned Document Section of the American Academy of Forensic Sciences. Also a member of the Southwest Association of Forensic Document Examiners.
Annual proficiency testing since 2006.
Testimony given in over 120 cases.
Almost three decades of experience.