Jeff Steiner
Partner, Head of Family Office Advisory, Mutual Trust
Jeff Steiner is Head of Family Office Advisory at Mutual Trust, where he works with UHNW families and family offices to define purpose, build intergenerational alignment, and design structures that sustain wealth over time.
His work draws on established family wealth frameworks and proven, practice-led advisory methodologies, guiding families from purpose and alignment through to strategy, structure, and execution. He partners with principals, family boards, and family office executive teams to strengthen governance, navigate complexity, and support effective decision-making across generations.
Jeff advises on the design and execution of tailored family office models, including Single Family Offices, Multi-Family Offices, Hybrid Family Offices and Family Business in-house structures. His focus is on creating efficient, cohesive functions that reinforce purpose and enable long-term wealth stewardship.
With more than 25 years’ experience, Jeff has advised many of Australia’s most prominent families, leading the delivery of integrated advice across family strategy, governance, succession, education, tax, investment, business interests, estate planning, and philanthropy.
Jeff is an active contributor to the global family office community through the Family Office Exchange (FOX) and the Ultra High Net Worth Institute. He also serves as an independent chair and board member across family and not-for-profit organisations. Jeff holds a Bachelor of Commerce, is a Certified Practicing Accountant, a registered tax agent and a Graduate of the Australian Institute of Company Directors.