ASQDE Member experts outside the United States are listed by country. Most examiners accept cases from outside their country.  Or, enter the expert's name in the search box.

Government examiners who also accept private matters are included in this list. 

​TO EMAIL AN EXPERT, click on the expert's name.

An asterisk (*) next to the member's name indicates that the examiner is also certified by the American Board of Forensic Document Examiners (ABFDE). 

​The ABFDE Rules and Procedures Guide states, "Certification is limited to permanent residents of the United States of America, Canada, Australia, New Zealand, and other such places as the Board of Directors may, from time to time, authorize and direct."
AUSTRALIA
Melanie Holt
Documents in Dispute
29 Jones Road
Buderim, QLD 4556
Australia
Cell: +61 403 258 172
Steven Strach
Strach Forensic Pty Ltd.
P. O. Box 936
Belconnen, ACT 2616
​Australia
Office: +61 2 6251 5921
​Cell: +61 418 258 471
CANADA
Samiah Ibrahim
Forensink
Ottawa, Ontario 
​Canada
Cell: 613-807-6663
Diane M. Kruger*
Forensic Examiners, Inc.
33 Bloor St. East, Suite 1000
Toronto, Ontario M4W 3H1
Cell: 416-605-4139
GERMANY
Thomas Hecker
Forensic Document Examiner
In der Schlad 4
Schlangenbad, Hessen 65388
Cell: 49 (151) 12411182
GREECE
Nikolaos Kalantzis
Chartoularios Institute
92-94 Kolokotroni Street
Piraeus, Attiki
Greece
Cell: +306 9367 74257
ITALY
Paolo Vaccarone
Grafica Forense Srls
Via Achille Torelli, 31
Roma RM 00137
Office: +39 068-6890852
Fax: +39 066-0513369
Cell: +39 392-0655732
Secondary email address
SAUDI ARABIA
Jubran Gushaish
Forensic Document Examiner
Criminal Evidences
QVM9+H66 14812 Riyadh 14812
Riyadh, Riyadh 14812
Saudi Arabia
Office/Cell: +00 966 555 247565
SOUTH KOREA
Jin Woo Choi
Forensic Document Examiner
Institute of National Defense Studies (CNU)
227 Department of Natural Science (2nd) 
99 Daehak-ro, Chungnam National University
Yuseong-gu, Daejeon 34134
​South Korea
Office/Cell: +82 10 7752 2019
SWITZERLAND
Williams Mazzella
Ecole des Sciences Criminelle 
Batochime Avenue Forel 2
Lausanne, VD 1015
Switzerland
Office: 0041 21 692 46 48
Peter Pfefferli
Swiss-Forensic-Expert
Alpenstrasse 3c
Thalwil 8800
Switzerland
Cell: #41 79 470 53 07
UNITED KINGDOM
John Welch
Forensic Document Examiner
8 Egdean Walk
Sevenoaks, Kent TN13 3UQ
U.K.
Office: 0 17 3245 7851

What to expect when you contact a forensic document examiner or specialist

  • Do not send any documents until requested. Your first inquiry should be general as to the type of work needed and the names of the parties involved so a conflicts check may be run. 
  • To retain the expert, a retainer payment and signed agreement is generally required. 
  • If the case involves a signature or handwriting question, gather several original documents with signatures (or handwriting, as applicable) dated close in time to the questioned document. Copies are acceptable, but original documents are preferred.
  • For the client's protection, the attorney should be the primary contact with the document expert. 
  • See our FAQ page for more general questions.
The American Society of Questioned Document Examiners is a nonprofit professional membership organization of forensic document examiners and specialists from all over the world. 

​The ASQDE was founded in 1942 and is the oldest and most prestigious organization of its kind. 

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