Meet the Team

Professor Don Grubin
Professor Grubin is the CEO and sole Director of Behavioural Measures UK. He is Emeritus Professor of Forensic Psychiatry at Newcastle University and an Honorary Consultant Forensic Psychiatrist in the National Health Service. He is one of the UK’s leading forensic psychiatrists. He led the research evaluations that established polygraph testing in England and Wales, and remains closely involved in developing polygraph governance structures in the UK. He also has strong links with the American Polygraph Association, especially in relation to research.
Don Grubin is not a polygraph examiner. He provides objective oversight of how polygraph testing is implemented, reported and quality controlled in keeping with what can be justified by evidence, and where this is lacking, theory.

Donnie Dutton
Donnie Dutton is joint owner of our American partner C3A who provide the polygraph expertise required for training, Continuing Professional Development and quality control. He has been a key figure in the implementation of government polygraph testing in the UK from its start, and was the BMUK School Director until 2018.
Donnie Dutton’s background is as a polygraph examiner, instructor and program leader: prior to retiring from the US government polygraph programme in 2014, he held a number of roles, including Head of the Threat Analysis and Strategic Support Branch at the National Center for Credibility Assessment (the federal government focal point for polygraph countermeasure detection and awareness), Polygraph Program Manager for the National Geospatial Intelligence Agency, an advanced instructor at the US government polygraph school, and earlier in his career as a Quality Control Officer in the US Army Intelligence and Security Command and a polygraph examiner with the United States Army Military Intelligence Command. He is a past President of the American Polygraph Association.
![Krapohl image for BMUK website[961]_edited.png](https://static.wixstatic.com/media/5a7453_1990efa2a9904315907d2f4725531f65~mv2.png/v1/crop/x_19,y_0,w_1682,h_2236/fill/w_173,h_230,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/Krapohl%20image%20for%20BMUK%20website%5B961%5D_edited.png)
Don Krapohl
Don Krapohl is one of the most widely known and respected polygraph experts in the world. He is recognised as a leader in the development of polygraph best practices and the establishment of validated techniques that are now accepted as international standards. He has published over 100 research, technical and general interest articles and book chapters on the polygraph and credibility assessment. He and Pam Shaw are joint authors of Fundamentals of Polygraph Practice, which is used as the standard textbook in many polygraph schools throughout the world. He is the current President of the American Polygraph Association.
Before retiring from the US government polygraph programme in 2015, Don Krapohl was Deputy Director of the National Center for Credibility Assessment (the US government’s education, oversight and research facility for polygraphy and other credibility assessment technologies and techniques), where amongst other responsibilities he oversaw its detection of the deception research programme. He also has experience as a polygraph examiner in American government agencies, having conducted thousands of counterintelligence screening examinations and overseen thousands more.

Tom Morgan
Tom Morgan is a federally trained polygraph examiner and instructor. He was previously a Senior Special Agent in the US Department of Homeland Security, and a polygraph examiner in the United States Department of State Counter-Intelligence/Counter-Terrorism Vetting Program in Afghanistan.
Tom Morgan is a certified instructor in Post-Conviction Sex Offender Testing (PCSOT) and an approved American Polygraph Association Primary Instructor.

Brett Stern
Mr. Brett Stern joined the Capital Center for Credibility Assessment in January 2020. In 2019, Brett retired from the Defense Intelligence Agency (DIA). During his DIA tenure, Brett simultaneously led the Credibility Assessment Program for 11 years and the Security Investigations Division for 3.5 years. Brett was previously a senior instructor at the Department of Defense Polygraph Institute for five years and provided instruction to hundreds of prospective polygraph examiners and to hundreds of local, state, federal, and private polygraph examiners, as well as attorneys and judges, throughout the U.S. and Canada. In 1999, Brett retired from the U.S. Air Force (USAF) Office of Special Investigations as a Special Agent having served as a criminal and counterintelligence investigator with specialization in counterespionage and polygraph. He served at Superintendent of the USAF Polygraph Program with quality control responsibilities. He authored and co-authored articles for the journal Polygraph. He was the expert polygraph consultant to USAF Appellate Defense in preparing attorneys for oral argument before the Supreme Court of the United States in the landmark polygraph case U.S. v. Scheffer. Brett possesses a Master of Arts degree from The George Washington University in Security Management and a Bachelor of Science (Summa Cum Laude) degree from Park College in Criminal Justice Administration.

Dani Pruett
Dani Pruett was a Police Officer for over 18 years, 16 of those spent interviewing victims, suspects, witnesses and perpetrators of serious sexual offences. In 2014 she was one of the first police officers in the UK to train in polygraph testing, following which she tested for Hertfordshire police until her retirement in February 2022. She has been instrumental in implementing polygraph testing as a risk assessment tool for the police.
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Dani joined BMUK after retiring from the police. Her role includes supervising and mentoring all police and probation polygraph examiners nationally, both on-site and remotely. She also provides training to the police and probation practitioners in order to maintain their accreditation and complete the necessary quality assurance on polygraph reports.
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Dani also conducts private polygraph examinations.

Phil Jarvis
Phil Jarvis was Senior Manager in and later Head of the Ministry of Justice Sex Offender Assessment and Management Team responsible for the polygraph testing in the probation service between 2011 and 2019. He also co-developed, implemented and maintained the ARMS assessment instrument. He has an in-depth knowledge of polygraph delivery in post-conviction settings.
Phil Jarvis assists Professor Grubin in the non-technical aspects of Quality Control.

Steve Barker
Steve Baker is the Trial Management Team Leader with the Children’s Cancer Trials Team of the University of Birmingham Cancer Research UK Clinical Trials Unit, coordinating large-scale and complex research studies into the treatment of cancer in children. He has been part of the BMUK team since the earliest research trials.
Steve Baker provides BMUK’s administrative and IT support.

Pam Shaw
Pam Shaw began her career in polygraph in 2000 while employed with the Kentucky Law Enforcement Council. During her 14 years with the Council, she served as an examiner, supervisor and polygraph school director for the state. She additionally established her own polygraph company, Shaw Polygraph Services, Inc., in 2006.
Pam has provided numerous lectures to a variety of state, national and international polygraph associations, as well as American Polygraph Association (APA) accredited schools.
In addition to managing her private polygraph company she is currently the owner of the National Polygraph Academy. The school provides professional training to law enforcement, government and private sector students in various locations in the U.S. and abroad.
Pam is a past-president of the American Polygraph Association and has held a variety of other board positions for over 14 years, to include her current position as Seminar Program Chair. She has served as president and vice-president of the Kentucky Polygraph Association and is a member of the American Association for Police Polygraphists.
As well as the above Pam is an adjunct professor at the Texas Department of Public Safety Polygraph School, Behavioural Measures United Kingdom, and is the principal primary instructor for the Singapore Ministry of Defence Centre for Credibility Assessment.