Stefan Voros
Founding Director
Stefan founded Banjo Group to back owner-operators who have built durable, specialist businesses. He leads acquisitions, capital structure, and long-term partnership planning across the group.
Advisors
Experience behind the group
Banjo Group is supported by experienced advisors with decades of operating experience across service, compliance-driven, and multi-site businesses in Australia. They bring perspective drawn from building, leading, and growing successful companies — and help our businesses grow without losing what makes them work.
40+
Years combined operating experience
Leadership
SME · Corporate · National
Capability
Service · Operations · Growth
Combined advisor experience from prior roles.
John Collie
Strategic Advisor
John brings over two decades of operational and regulatory leadership across construction, building materials, civil infrastructure, and industrial services.
Kristian Bischoff
Strategic Advisor
Kristian brings more than two decades of senior commercial leadership across field service, manufacturing, mining, and fire and safety industries.
Roger Jowett
Strategic Advisor
Roger brings over 35 years of international executive experience across industrial distribution, electronic security, and fire protection.
Malcolm Jackman
Strategic Advisor
Malcolm is an experienced board director and former CEO with a career spanning agribusiness, industrial hire, workforce services, defence, and building materials, alongside deep fire and emergency services experience.