Senior Consultants
Alfred Zebi
Cote d’Ivoire
Alfred is a qualified lawyer. He has worked in both the humanitarian and development, and corporate sectors. He spent several years as a Senior Legal Counsel with the African Development Bank (AfDB) before joining UNDP for seven years as an Investigation Specialist, where he worked throughout Africa and the Middle East.
Leone Scott
New Zealand
Leone joined OSACO Group in early 2020 bringing a 25-year background in investigations with extensive experience in the investigation of sexual harm and trauma-informed interviewing and a dedicated survivor-centred approach to her work.
Steve Gibson
New Zealand
Prior to joining OSACO Group as a consultant, Steve had a long and highly successful career working around the world and developing expertise in project management and risk management. He is a highly regarded trainer, coach, and mentor.
Mette Marie Honoré
Denmark
Based in Denmark, Mette has an extensive legal background and used her skills to work in human rights and refugee law, before shifting to international programming for 10 years. Mette’s recent work has focused on accountability, code of conduct and safeguarding investigations.
David Jenkins-Handy
United Kingdom
Based in the UK, David brings many years of experience working as at a senior level in governance, risk, and compliance for the International Compliance Association to his work at OSACO. David is a qualified lead auditor and compliance officer and has produced training, governance frameworks, policies, and controls including safeguarding, conflict of interest, confidentiality, and other risk management mechanisms.
Christopher (Chris) Delaney
New Zealand
Chris has worked for more than 30-years providing investigation, organisational reviews and risk services in public and private sectors. He also worked for more than 10 years in the humanitarian and development sectors.
Kima Tuialii
New Zealand
Kima Tuialii joined OSACO Group in July 2022. Kima has nearly a decade of experience in criminal law, beginning her legal career at the Serious Fraud Office where she worked exclusively on serious and complex fraud and corruption cases.
Sarah Cato
New Zealand
Sarah has both a corporate and public sector background. Sarah has a business degree with a double major in strategic planning and leadership. She worked in the corporate sector for her early career before transitioning into public sector work in New Zealand and abroad.
Sally Holland
USA
Sally first worked with OSACO Group Ltd in 2018. Now, after five years working within the United Nations as an investigations officer, she is honored to return as a Senior Consultant, bringing more than 30 years investigative experience within public, corporate, and humanitarian sectors.
Shaun Fogarty
New Zealand
Shaun Fogarty joined OSACO Group as a senior consultant in 2023. Shaun has a distinguished career in the corporate and public sectors, in particular working in high-conflict environments which has involved investigations into alleged war crimes and atrocities.
Andrea De Tommaso
Italy
Andrea De Tommaso joined OSACO Group in 2023 after more than fifteen years as a Senior Officer within the Italian Financial Police (Guardia di Finanza). Andrea spearheaded domestic and international investigations targeting transnational criminal networks involved in financial fraud, corruption, money laundering, terrorist financing, and organised crime activities.
Jon Schofield
USA
Jon is deeply experienced in the execution and management of global counter fraud investigations. Having spent decades in the public sector and additional years in the corporate world, he offers extensive employee and programme integrity experience and takes a multifaceted approach to risk reduction.
For 25 years, Jon conducted, supervised, and managed complex criminal, civil, and administrative investigations for Offices of Inspectors General (OIGs) in the United States.
Abdullah Jaghbeer
Jordan
Abdullah Jaghbeer brings nearly a decade of experience to OSACO, specialising in international investigations, risk mapping, and compliance within the humanitarian sector. He joined OSACO in March 2023.