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Assistant Chief Constable Tim Metcalfe.

Association Chair

Tim Metcalfe is a Thames Valley Police officer currently serving as the Assistant Chief Constable responsible for Counter Terrorism and Serious and Organised Crime in the South East Region.


Tim began his policing career with West Midlands Police alternating between uniform and detective posts. He performed a variety of roles including that of regional SIO following the South East Asian Tsunami disaster and Senior Identification Manager in respect of the terrorist bombing of Sharm el Sheikh. He has also led on a number of regional and national programmes relating to the development of the National Counter Terrorism Network. In 2014 he transferred from a local policing post in Coventry to Thames Valley Police to take up a force level Neighbourhood Policing and Partnerships role.


In 2015 he became the first Chief of Staff to the Chair of the National Police Chiefs’ Council before returning to Thames Valley to take up the command of the Aylesbury Vale Local Policing Area before moving to become the Milton Keynes Commander. As a Chief Superintendent Tim led the force’s Resourcing and Resilience function before becoming the T/ACC Operations covering the Hampshire Constabulary and Thames Valley Police areas. He was appointed to his current role in early 2022.


Tim is a graduate of London University and also holds a MA in History and Politics from London, an MSc in Criminology from Leicester University and an MBA from the University of Birmingham. He is currently reading for a doctorate in Criminology at the University of Oxford focusing on senior police leadership, governance and legitimacy.

Tim took over the National CDLO lead from Assistant Commissioner Pete O'Doherty (City of London Police) in March 2022. 


Read on to learn more about the APCDLO committee members.


Wendy McAllister

Training Coordinator / Vice Chair

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.

Wendy retired from Policing in March 2022 but still remains in her committee role and now works as a private Controlled Drugs Consultant.

With Adrian, Wendy delivers the national CDLO course having taken over the mantle from GMP. 



Mike Beard

Committee Member

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.


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’


Becky Beauchamp


Becky (BSc / MSc) started her career as a forensic scientist and for 8 years specialised in the testing of illicit substances for police forces. This is where she first encountered the wide range of controlled substances that are diverted and misused.


Becky then joined Surrey Police in 2017 in her current role, which she loves. She joined the committee in 2019 and says that the enthusiastic and experienced members of APCDLO, and the networking it encourages, helped her develop as a controlled drug liaison officer and still does to this day.


Adrian Parsons

Training Coordinator / I.T.

Adrian retired from Policing in October 2020 but still continues to serve with the committee.


Adrian manages the APCDLO website on behalf of the association and upon retirement set up his own training consultancy delivering Drugs & Court Skills training to law enforcement and its partners.

With Wendy, Adrian delivers the national CDLO course having taken over the mantle from GMP. 

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Wayne Bloomfield

Committee Member

Wayne has been a serving police officer since 2005, performing both uniformed and plain clothed roles. In 2020 he became the Controlled Drugs Liaison Officer for Essex police and later in the same year a Drug Expert Witness.


Wayne says "Being part of the CDLO network has been massively beneficial in terms of gaining knowledge and giving me opportunities allowing me to call on the experience of those within the APCDLO setting".


"Outside of work, family, football and camping help me unwind".

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Jonathan Roberts

Committee Member

Awaiting Biography

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Sharon Roscoe

Committee Member

Sharon started her career with Leicestershire Police in 1999 as a response officer.  After a few years learning the trade she joined the proactive team before moving into the Intelligence hub and undercover policing. 


Following a restructure of the force, she went to a rural station as a beat officer where she remained until February 2021 when she took up the post of CDLO.  "Partnership working is one of my core beliefs" she says, "we can achieve great things by sharing information and working together to help protect the most vulnerable in our communities".


As the CDLO for Leicestershire Police which has a huge diverse community from the city through to the huge rural areas, Sharon says she is here to help everyone from Pharmacies, Hospitals, Dentists, Care homes and Vets, basically, anyone that has professional use of Controlled Drugs.

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Stephen Miles

Committee Member

Steve graduated from Manchester University in 1995 and decided to join the West Midlands Police in 2000 working on response and pro-active squads before working on a local neighbourhood team linking in with partner agencies geared towards anti-social behaviour and vulnerable families/individuals for 7 years before switching to Force CID.

Starting the CDLO role in 2018 was career changing, finding the new world of controlled drugs and the medical world fascinating. Without the assistance of the committee seeking advice and direction starting this role, I would have been lost. Every day is a school day.

A busy family life with 2 teenage kids has kept me occupied but I love weekend beers, walking football, watching all sport and music.

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Gary Tupling

Committee Member

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Meet the Committee: TeamMember
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