Leadership Team

Jaydene Buckley

New Zealand

Jaydene Buckley is Managing Director of OSACO Group. Jaydene had a distinguished career including working within Māori communities where she and her team developed a strongly proactive, community-based approach to issues affecting community wellbeing such as youth criminality, gangs, drugs, and reoffending.

Sean Buckley

New Zealand

Sean is Global Director of Operations and co-founder of OSACO Group. Sean began his career in investigations in New Zealand before moving to the UN, investigating political assassinations in the Middle East. His investigative assignments extended into work within UN agencies and international NGOs and has now expanded beyond the humanitarian world into other sectors.

Wallace Haumaha

New Zealand

Wallace (Wally) Haumaha joined OSACO Group as Director Leadership and Innovation in March 2024 after retiring from a stellar 40-year career with New Zealand Police, and his most recent role as Deputy Police Commissioner.

Wally has always had a passion to make a difference in outcomes for Māori, ‘walking the talk’ when it comes to demonstrating the core values of the New Zealand Police’s commitment to Māori and Te Tiriti o Waitangi.

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.

Alfred has worked with OSACO for several years where he’s either undertaken or managed complex investigations for UN, INGO and corporate clients, predominately in the African region. While being able to undertake investigations into all types of allegations, he specialises in those relating to fraud, corruption and bribery, particularly issues surrounding procurement.

Jonas Frey

New Zealand

With more than 20 years spent working worldwide in Special Operations, Explosive Ordnance Disposal (EOD) operations, Diving Operations, Research and Development, Personal Protective Security, and Physical Security you’d be right to expect that Jonas brings a calm, professional leadership style to his work with OSACO clients.

Simon Scott

New Zealand

Simon Scott joined OSACO as a Senior Consultant in April 2020. Simon had a 19-year investigative career, has owned his own businesses, and most recently worked in Emergency Management for New Zealand’s Ministry of Social Development. Simon’s strong leadership ability led to swift promotion in his investigative career, making him a natural choice for his leadership role within OSACO Group.

Toni Carroll


Hailing from Aotearoa New Zealand and based in the UAE, Toni joins the OSACO leadership team, bringing many years of experience in security, resilience, and strategic planning. Toni’s most recent role was Regional Advisor Security and Resilience at New Zealand Electoral Commission, where she played a central role in ensuring the safety and integrity of the electoral process.

Daniel Beaudoin

United Kingdom

UK-based Daniel Beaudoin joined OSACO in 2020 as its administration manager. He has a background in aviation and leisure travel, including airport station logistics, having worked with both a leading global travel provider and a small, independent regional carrier.

Jacquie Boer

New Zealand

Jacquie began working with OSACO in 2018 as global communications and media manager. Jacquie is a highly experienced and respected public relations professional known for her ability to give measured, calm, and strategically pertinent counsel in high-pressure situations.