THE PEOPLE BEHIND THE PROCESS

Meet the Synergy team

Experience across investigations, people and workplace resolution.

Get to know the professional backgrounds and areas of experience of the people supporting our clients.

Discuss your matter

A range of perspectives

Investigations & workplace relations

Government, health & community services

Dispute resolution & organisational support

Find the experience relevant to your matter

Meet our investigators in Australia and New Zealand, alongside the people supporting our operations, technology and dispute resolution services.

Australia investigators

Amy WeberWendy GrenvilleCorey CourtemancheMatt ReadJason SpiveyChris PhelpsJohn DelphinChris Rice

New Zealand investigators

Emma JefferyLouise Guest

Management & specialist support

Glen ThomasenNatalie ThomasenMichele SternbergNicholas MoseleyDr Ellen Balke

Management & operations

The people coordinating our services and supporting our clients and investigators.

Glen Thomasen

Glen Thomasen

Director

Operations & investigation support

Glen oversees daily operations and business development. His investigative background includes surveillance and factual investigations, and he draws on that experience to advise and support Synergy’s workplace investigators.

Explore our services →

Natalie Thomasen

General Manager

Workplace investigations, report quality assurance & HR

Natalie brings investigative and HR experience to client engagements, supporting investigators and helping clients navigate the investigation process. Her work focuses on investigation standards, communication and support for organisations managing workplace concerns.

Natalie’s responsibilities include investigation report quality assurance. She also reviews Synergy’s investigation articles, bringing her investigative and HR experience to the practical guidance we publish.

Internal investigation support →

Michele Sternberg

Michele Sternberg

Operations Manager

Organisation & service delivery

Michele coordinates the processes and practices that support Synergy’s operations. Her background in multinational media organisations brings experience in strategy, performance, communication and resource management.

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Nicholas Moseley

HR Technology Consultant

HR systems & technology

Nick supports Synergy’s web and desktop technology and advises on HR and payroll systems. He helps clients consider technology processes, integration and practical solutions to improve efficiency.

Discuss HR technology support →

Australia investigators

Explore the experience and areas of focus of our Australian investigation team.

Amy Weber

Workplace Investigator

Brisbane, Queensland

Sexual harassment, workplace misconduct & HR

Amy combines frontline policing experience with more than 15 years across human resources, industrial relations and investigative roles. A licensed Queensland private investigator, she conducts sensitive public and private sector matters with an emphasis on procedural fairness, psychological safety and trauma-informed practice.

Her experience includes sexual harassment, discrimination, whistleblower disclosures, executive-level complaints, fraud and corruption matters. Amy is skilled in interviewing vulnerable parties, assessing credibility and preparing clear, evidence-based reports. She also provides HR advisory, coaching and internal investigation training.

Amy holds a Bachelor of Business in HR and Public Relations, a Certificate III in Investigative Services and a Certificate IV in Government Investigations. She undertakes ongoing specialist training in sexual harassment and sex-based harassment investigations.

Wendy Grenville

Workplace Misconduct Investigator

Melbourne, Victoria

Workplace investigations, governance & organisational reviews

Wendy brings nearly two decades of senior leadership and investigative experience across Victorian Government departments and agencies. Her work encompasses workplace bullying and harassment, risk management, workplace culture reviews, governance, policy development and compliance.

Her career includes senior roles with the Department of Justice and Regulation, Country Fire Authority, Department of Education and Training, Department of Justice and Community Safety, and Department of Families, Fairness and Housing. Since 2024, Wendy has worked with Synergy as a contract workplace investigator, conducting sensitive matters with attention to detail, impartiality and clear communication.

Wendy also conducts after-action reviews and debriefs. Drawing on extensive emergency management experience, she brings together operational information, stakeholder evidence and recurring themes to produce practical findings and executive-level reports that support organisational improvement.

Corey Courtemanche

Senior Workplace Investigator

Sydney, New South Wales

Complex misconduct, whistleblowing & investigation training

Corey brings more than 15 years of experience managing complex investigations across private, public and not-for-profit organisations. His work spans bullying, harassment, discrimination, whistleblowing, child protection, fraud and workplace fatalities, with a careful and trauma-informed approach.

His background includes the Business Investigations team at Allens, leadership roles at WISE Workplace / LKA and Quantumcorp, and child protection investigations for the Commission for Children and Young People. He has conducted investigations across Australia and at international facilities, working closely with executives and HR leaders.

Corey also develops investigator capability through allegation-drafting and report-writing training, quality assurance systems and team leadership. He brings experience coordinating sensitive matters from initial planning through to clear, evidence-based reporting.

Matt Read

Workplace Investigator & Mediator

Perth, Western Australia

Safeguarding, regulatory investigations & workplace mediation

Matt is a licensed investigator and accredited mediator with more than two decades of frontline, regulatory and workplace investigation experience in Australia and the UK. He brings a sensitive, person-centred approach to complex matters involving bullying, harassment, reportable conduct, conflicts of interest, procurement integrity and fraud.

Previously Assistant Director, Complex Regulatory Response at the NDIS Quality and Safeguards Commission, Matt led investigations focused on participant safety and service quality. His career also includes investigation leadership at WISE Workplace, Western Australian government agencies and professional standards roles in education.

Matt’s law enforcement background includes detective roles with Suffolk Constabulary and service in the WA Police Child Protection Squad. His capabilities include workplace mediation, cultural safety investigations, workplace culture reviews, sport integrity matters and NDIS regulatory compliance support.

Jason Spivey

Workplace Investigator

Sunshine Coast, Queensland

Sensitive misconduct, bullying & discrimination matters

Jason is a licensed private investigator with more than 20 years of investigative experience across public and private sectors. He specialises in complex workplace allegations involving misconduct, bullying, harassment, discrimination and code of conduct breaches.

A former Senior Constable with Queensland Police Service’s SERT and Victoria Police, Jason brings experience in tactical and general investigations, surveillance and evidence management. His approach combines trauma-informed interviewing, credibility assessment and clear findings-of-fact reporting to support informed organisational decisions.

Jason holds a Master of Terrorism and Security and a Graduate Diploma in Leadership and Management from Charles Sturt University, a Diploma and Certificate IV in Government Investigations, and a Certificate III in Investigative Services. His experience also includes work as an approved panel investigator for Sport Integrity Australia.

Chris Phelps

Workplace Investigator

Government investigations & HR consulting

Chris has held senior government leadership roles, including Acting General Manager Workplace Relations, People and Performance for NSW Health. His experience includes complex clinical investigations, workplace relations, leadership development and advising senior executives.

He brings investigative, report-writing and communication experience to misconduct, grievances, governance and risk matters.

Corrupt conduct investigations →

John Delphin

Workplace Investigator

Misconduct & sensitive workplace matters

A former NSW police detective, John has extensive experience conducting and managing investigations, including in Victoria’s health sector. His work has covered bullying, sexual harassment, serious misconduct, fatalities, complaints and fraud.

John has also taught investigation and surveillance techniques at TAFE.

Serious misconduct investigations →

Chris Rice

Workplace Investigator

Disability, aged care & community services

Chris’s sector experience spans direct care, senior management and board roles in disability, allied health, mental health, aged care and not-for-profit organisations.

His investigation experience includes workplace complaints, service incidents and matters involving healthcare organisations, independent schools and local government. Chris also delivers Synergy’s NDIS reportable incident training.

NDIS reportable incident training →

New Zealand investigators

Meet our Auckland-based investigators supporting clients throughout New Zealand.

Emma Jeffery

Investigator & Organisational Development Specialist

Auckland, New Zealand

Compliance, workplace culture & systemic reviews

Emma brings more than two decades of experience across compliance, governance, human resources and organisational development. A licensed private investigator and ISO Lead Auditor in Quality, Health and Safety, and Environmental Management Systems, she combines structured analysis with an understanding of workplace dynamics.

Her work includes workplace bullying and harassment matters, accident and incident investigations, systemic reviews and the development of compliance frameworks. She has led investigations and compliance reviews in industrial and corporate settings and supported more than 50 Māori businesses through capability uplift work with Te Puni Kōkiri.

Emma’s background includes senior compliance and general management roles, alongside qualifications in organisational and applied psychology, occupational health and safety, and communication management. Her approach draws on root cause analysis, risk assessment and systems thinking to identify what happened and the organisational factors that contributed.

Louise Guest

Workplace Investigator

Auckland, New Zealand

Workplace misconduct, fraud & sensitive investigations

Louise is a former New Zealand Police Detective with more than 15 years of experience across law enforcement, risk management and professional investigations. She has worked with Synergy NZ since its foundation, providing impartial investigative services throughout New Zealand.

Her policing career included the Child Protection Team, General Criminal Investigation Branch and Wellington Crime Squad. As a qualified detective and specialist interviewer, she developed extensive experience in sensitive interviews, evidence collection and complex case management. Her consulting work includes workplace bullying, harassment, discrimination, insurance and fraud enquiries, and conflict resolution.

Louise holds a Diploma in Professional Counselling, Level 4 Project Management and Fire Investigation Liaison Officer certification, supported by health and safety training and volunteer firefighting experience. She brings a calm, empathetic approach to gathering evidence and preparing objective reports.

Dispute resolution & coaching

Specialist support for workplace relationships, negotiation and organisational conflict.

Dr Ellen Balke

Dispute Resolution & Coaching

Negotiation & organisational conflict

Ellen holds a PhD in Multi Stakeholder Decision Making and Negotiation from the London School of Economics, a psychology degree and a master’s degree in social psychology.

She draws on her experience in conflict resolution and organisational psychology to facilitate discussions and provide individual coaching where workplace relationships affect performance.

Workplace mediation →

Talk through the right next step

Tell us about the circumstances, the experience you need and any potential conflicts so we can discuss a suitable approach.

Interested in joining Synergy?

We welcome enquiries from experienced professionals who can contribute to our investigation, mediation and support services.

Introduce yourself to our team →