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 has led and scaled service-based businesses across Australia, with deep experience in operations, workforce management, and margin discipline in labour-intensive industries.
Kristian Bischoff
Strategic Advisor
Kristian brings a commercial and finance background spanning M&A, integration, and performance reporting, helping group businesses build the systems they need to grow without losing focus.
Roger Jowett
Strategic Advisor
Roger has spent his career in compliance-driven service sectors, advising on quality, safety, and customer retention — the fundamentals that make recurring-revenue businesses defensible.
Malcolm Jackman
Strategic Advisor
Malcolm has held senior leadership roles in large national organisations, and advises on governance, leadership development, and scaling multi-site operations sustainably.