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Coming together from a wide variety of backgrounds and experiences, our skilled team of professionals are the backbone of The Association of Police Controlled Drug Liaison Officers.

Their ideas help shape the direction and mission of our association as it continues to develop.


The APCDLO Chairman is Thames Valley Police Assistant Chief Constable Pete O'Doherty.







Assistant Chief Constable Pete O'Doherty.



Read on to learn more about the APCDLO committee members.


Wendy McAllister

Vice Chair & Secretary

Wendy joined the police straight from school in 1990 and spent most of her early career policing the East End of London. She joined the territorial support group in 1996 and spent 6 years working on large scale public order operations and surveillance teams.


After having a family in 2000 Wendy became a school’s officer in Havering. In 2009 she joined the CDLO team and became the secretary of the APCDLO in 2013.


Her interests include walking her beloved dog, gardening and baking.


Wendy took on the additional role of Vice Chair in May 2019 following the retirement of long-standing member Bob Sparks, from Dorset Police.


Mike Beard

Training Coordinator

Mike Beard is one of three Controlled Drug Liaison Officers in The Greater Manchester Police and unlike other CDLO’s is funded by NHS colleagues and consequently works closely with NHS Manchester Local Area Team.


After a period in the army and a spell as a draughtsman he joined GMP in 1977 serving all but 4 years in the Criminal Investigation Department and became a civilian member of Police staff in 2006 continuing in the CLO/CDLO role that he has held since 1998.


He was heavily involved in the Shipman enquiry and subsequent public inquiry and consultation leading up to The Health Act, 2006.


He has been involved with the association since it was formed in 1998 and was a founder and the first chair and since this time has also been involved in CDLO training, initially at Wakefield and in more recent times in Manchester.


He has sat on a number of national groups over the years and currently works with CQC colleagues and other partners at the national CD group.


Mike has received two ACPO awards for his work at a national level, one being an ACPO Drugs Committee lifetime achievement award.

Dipesh Dattani

Committee Member

Dipesh has been a police officer with the Metropolitan Police for the past 28 years.


A career detective with 26 years’ experience, his previous experience includes various Proactive & Reactive investigations ranging from serious assaults to fraud and handling informants.


Dipesh has a good knowledge of National Security issues, Counter Terrorism Policing and working & liaising with the Home Office, Office of Security and Counter Terrorism, Foreign Commonwealth Office, United Kingdom Central Authority & Crown Prosecution Service.


He has been involved with International Police organisations for the past 10 years’ and moved into the Controlled Drugs arena in 2018.


Dipesh is currently Wendy McAllister's immediate line supervisor.


Robin Pivett


Robin Pivett is the Controlled Drug & Chemical Liaison Drug Reduction and Prevention Officer at Suffolk Constabulary. He also manages Drug Testing on Arrest (DTOA) at the Police Investigation Centres.


Robin has been employed by Suffolk Constabulary since September 1978; for the first 31 years as an officer and since 2010 as a member of police staff; he has served in various departments within the Constabulary including Uniform Patrol, Criminal Investigation and Special Branch.


His role brings him into contact with many agencies both local and national. Managing DTOA brings him into contact with local treatment services and as a result he has now been appointed the chair of the Drug Recovery Forums in Suffolk.


Robin represents the Constabulary on a number of committees and groups concerning harm reduction and substance misuse & during his career he has been presented with a number of awards including the High Sherriff’s, The Sheepshanks Trophy, Tom Waller Harm Reduction, Area, County and Safe Guarding policing awards. He is the Treasurer of the APCDLO.


John Richardson

Committee Member

I came, I saw, I conquered, retired and came back and conquered some more’......... ‘Utrinque Paratus’

James Thompson

Committee Member

James is one of the Controlled Drug Liaison Officers at Cheshire Constabulary. He is also part of the Drug Expert Witness team within his home force.


James joined Cheshire Constabulary in 2001 and has over 10 years working as a detective on drugs investigation units, joining the newly formed Drug Expert Witness team in 2016.


Becky Beauchamp

Committee Member

Bio to follow


Adrian Parsons

Committee Member (I.T)

Adrian has 27 years Police service, initially within Lincolnshire Police & currently Kent Police.


He is currently both a Drug Liaison Officer and Controlled Drug Liaison Officer.


Additionally, Adrian is the Kent & Essex Police Drug Expert Evidence coordinator and delivers a highly acclaimed national Drug Expert Witness course 3 times per year.


Having sat on a number of national committees and working groups over the last 20 years, Adrian has an extensive knowledge of illicit drugs markets however, he has only been involved in the CDLO arena for the last 5 years and considers himself the 'new boy'.


Adrian manages the APCDLO website on behalf of the association.