Business House Australia is led by a team of experienced business people, each bringing to the table unique skills and experience. Individually they are able to offer businesses great value, but together they make Business House Australia a leading business development group.

Our Team

Keith Gustavsson


Managing Director

Keith’s speciality is salary packaging. He has real world experience in structuring salaries of SME owners and staff so as to legally minimise any Fringe Benefits Tax that may arise as result of personal use of company vehicles.

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Elizabeth Chryssidis

Bachelor of Science [ Honours ], Bachelor of Dental Surgery

Director, Coach

Dr Elizabeth Chryssidis is a successful business woman with over three decades of experience in the operation and management of a dental clinic. She is a skilled dental practitioner and a professional manager. Elizabeth is also a clinical tutor at the University of Adelaide Dental School at final year level.

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Mark Gustavsson

Bachelor of Laws (Honours), Bachelor of Commerce (Accounting), Graduate Diploma of Legal Practice

Legal Advisor

Mark is the principal lawyer of Mark Gustavsson & Associates and focuses his practice primarily on commercial negotiation, commercial contract preparation and commercial dispute resolution for micro and small businesses. In addition, however, Mark also advises on private equity fundraising and corporate governance for start-up companies in the FinTech and Blockchain regulatory space.

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Gwen Meyer

BA (English, Economic History), Certified Project Manager, Certified Strategic Intervention Coach & Authorised YB12 Coach

Spiritually-based Life Coach | Personal Change Manager

Gwen has worked as a long term contractor and consultant on a diverse range and size of projects, and is a highly respected leader in the corporate world. Few people have experienced uncertainty like Gwen has and the constant changes, new challenges and experiences in her corporate and personal life have driven her in incremental ways to make improvements, become adaptable, flexible, and resilient and to continually hone the life skills necessary for success.

She loves working with individuals and teams when change is difficult and transitioning is messy, supporting and empowering them to persevere, find clarity, build confidence and regain balance, control and peace of mind. Through coaching, collaboration and connection she shows people how to stay on track, manage their emotions and master their minds to think above the crowd – to improve in any area of life they choose, to thrive and to rise to their full potential.

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Sarah Reimann

FIPA, Grad Cert in Professional Accounting (UNE)

Business strategist & Financial Expert

Sarah Reimann is a business strategist and financial expert, a professional speaker and small business trainer. As a qualified accountant, with 15 years’ experience in the tax accounting industry and as a business owner herself who has managed staff and operations, she has a rare combination of real-world experience, technical knowledge and expertise in business and financial management.

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Ivan Vantagiato

Digital Marketing Professional | Mentoring for Small Business

Ivan Vantagiato is an entrepreneur, connector and founder of Digital Marketing Tribe (DMT). He has worked in telecommunications and sales for 10 years and pursued his own business ventures and endeavors with success.

Ivan is passionate and determined. He falls asleep every night listening to the newest entrepreneur audio books. When he isn’t listening to his audio books, you find will him testing new ideas and strategies to see what really works.

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As an entrepreneur, your network is your greatest asset. Let us help you build yours by becoming a BHA member today.

Starting from less than $50 per month, a BHA membership is an investment in your business which pays dividends throughout the year. BHA membership means inclusive support, market-leading benefits and complimentary attendance at our regular business networking events.

Join us today

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