Meth Detection Ltd - Risk Assessment Specialist

Meet our Risk Assessment Specialists

Risk Assessment Specialists are made up of a diverse group of experienced specialists.               

  • International Security
  • NZQA qualified Trainers and Assessors
  • Certified Drug and Alcohol examiners
  • Operation and Investigation staff with career backgrounds in NZ Police

Graham Yorke - Managing Director                                                                                                    North Island Representative                     

Personal Statement 

When you find things that are difficult in life,                                     Stand strong, stand tall and be of great heart                                  Ahakoa ngā uaua. Kia kaha, kia toa, kia manawanui

Certified Meth Assessor

Licenced Private Investigator                                                                 COA  17-040749

Certified Drug Tester

Certified NZQA Trainer and Assessor 

Experienced Industrial Drug Dog Handler 

Graham offers a wealth of practical and technical knowledge, with over 30 years’ experience in the Security and related Industries.

Experience includes Senior Management roles with multi- national Companies.                                                                                                  Cash Logistics NZ Ltd - a national, bulk cash distribution and processing joint venture business with ASB & ANZ Banks. Involved with the project from its conception and was responsible for the company’s commitment to the partner banks.The Joint Venture Project involved study tours to Brussels and Budapest to form International relationships with key security asset providers.

Graham studied Event Management, anti-terrorism and law enforcement techniques in London, Hungary and the Czech Republic.
In 1995 Foreign Affairs and Trade assigned Graham as the Security Task Force Manager for Commonwealth Heads of Government Meeting and Asia Development Bank Conference.


 Shona Campbell - Alliance Group Associate                                                                                        South Island Representative servicing Central Otago Region based in Queenstown


Certified Meth Assessor

Licenced Private Investigator

Certified Drug Tester

Certified Work Place Drug Tester

Process & Document Server

22 years Senior NZ Police Officer



During Shona’s 22 year career with the NZ Police she witnessed first hand the devastating effects drugs can have on families and the community. Shona is committed to playing her part keeping families safe from the potential serious health effects, which can arise from Methamphetamine contamination.

Her duties in the NZ Police included Criminal Investigations, Mobile First Response Incident Car, VIP/Dignitaries and Witness Personal Protection Officer, Team Policing including mass disorder and large scale demonstrations/concerts, Coxswain Police 12 metre RHIB Americas Cup Challenge, Armed Airport Officer.

Shona is a Certified Gym Consultant and Personal Trainer.  She is a highly motivated and dedicated individual who is passionate about helping others.


Ron Van Dillen - Alliance Group Associate                                           North Island Representative


Certified Meth Assessor

 Licenced Private Investigator 

 Certified Drug Tester

 Certified NZQA Trainer and Assessor 

13 years Senior NZ Police Officer


 

Thirteen years with New Zealand Police including roles in Uniform Branch, Criminal Investigation Branch, Armed Offenders Squad Search & Rescue.                                                     

International sports event management and security for VIP. Provided expertise with operations and events within the group including Risk Assessment, Planning, Training and Procedures, Risk Management and Fraud Reporting.

Implemented Training Programs / Review & Audit systems within the Oil & Gas industry in Taranaki. 

Significant experience with roles in Anti-Piracy, Drug Testing and Health & Safety training.

 Health & Safety training included OSH Level 1 – 3 delivered to medium / large business throughout New Zealand.


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