The people behind
your next move.
Meet the brokers, advisors and specialists behind Expert Business. We bring together experience in business ownership, sales, acquisitions, valuation and financial strategy—with practical support throughout your journey.
Daniel Callegari
Principal Advisor · Accredited Business Valuer
Business sales, M&A and valuation experience for buyers and sellers.
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MAppFin, BBUS(Marketing), Licensed Estate Agent, CBV Business Sales Specialist & Managing Director at Expert Business
Daniel is an experienced Advisor, Licensed Business Broker/Estate Agent and Certified Business Valuer. Specialising in business Re-sale, Mergers and Acquisitions, Business Valuations and Due Diligence, he assists both buyers and sellers achieve a mutually beneficial result through either offering consulting services or negotiating on their behalf.
With over 15 years experience in business management and ownership, he has been the Senior Manager, Founder and/or Shareholder in many different businesses and companies, ranging from small family operated concerns to larger corporate entities. Daniel has completed a Masters in Applied Finance and a Bachelor of Business with Graduate certificates in Corporate finance, Financial risk management, and Business Valuation / Investment analysis.
Daniel is constantly looking to identify Joint Ventures and opportunities to better the direction of the company. His extensive experience in business development allows him to identify opportunities that are mutually beneficial for all parties involved. With a mixed background of marketing and sales and client/stakeholder management also allows him to look at the functionality of the company on a wider scale, making smart decisions from a business strategy perspective while fostering a creative environment for day-to-day operations.
Sam Vasli
Principal Business Broker
Practical business ownership experience and sales negotiation expertise.
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BIS(Management), DipAcc, Licensed Estate Agent Business Sales Specialist & Managing Director at Expert Business
Sam possesses a great understanding, knowledge, and experience in various aspects of business ownership and operations. Over the past 14 years, he has established and managed successful businesses, gaining invaluable insights that have enabled him to assist numerous business owners in achieving greater success or satisfactorily exiting their businesses.
Holding a degree in Management of IS, along with a diploma in Accounting, has provided him with a deeper insight into the business world, as well as an understanding of the needs and key success factors across different industries in Australia.
As a Licensed Estate Agent, Sam serves as a professional and experienced business broker and advisor in Melbourne, as well as the director of “Expert Business Brokers”. His expertise in Business Valuation, coupled with his extensive sales and negotiation skills, are key advantages in his career. Honesty, integrity, and trustworthiness are the principal virtues Sam strives to uphold at all times.
George Dermentzis
Associate Advisor
Business advice informed by accounting and wealth management experience.
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BCom (Melb), CA, DipFP , Licensed Estate Agent Business Sales Specialist
George is a qualified Financial Adviser and Chartered Accountant with over 25 years’ experience. Over this time, he has provided strategic business advisory, taxation and wealth creation advice to business owners and professionals and since 2006 he has owned & operated his own private wealth management & advice firm.
George is a member of the Financial Planning Association of Australia (FPA) and a member of Chartered Accountants Australia & New Zealand (CAANZ). Through his experience as a Financial Adviser and Chartered Accountant, George has assisted a large number of business owners achieve successful outcomes in their businesses and personal wealth. As a business owner himself, he has a genuine understanding & interest in business and helping business owners.
Nikki Myatt
Operations Manager
Organisational and people management support across the business.
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Operations Manager at Expert Business
Having started her career in TV and Film, Nikki worked as a production co-ordinator for the major networks (Ch 7, 9, 10) and has worked on various major productions including a long-standing role with The Project. Nikki brings exceptional organisational and people management skills along with expert knowledge in media and production.
Nikki transitioned across to the Education sector where she worked as an early childcare educator and Supervisor within a childcare centre.
More recently, Nikki has worked in an administration and co-ordinator role for her own pet-care company in Melbourne, providing support across all aspects of a business such as recruitment, customer service, marketing and administration.
These key skills have made for an easy transition into the business brokering industry, having spent the last 3 years working as an Education Coordinator and Business owner.
A people person with meticulous attention to detail, Nikki is a key member of the Expert business team.
Reza Ghafari
Associate Business Sales Specialist
Business analysis, sales and marketing support across diverse industries.
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Associate at Expert Business
Reza is a Business Analyst and Consultant with over a decade of experience supporting many businesses across various industries including Fashion, IT Services, Hospitality, and Health & Beauty. Holding a Bachelor of Business and Certificates in Business Analytics and Visualization (RMIT), along with Executive Management Challenges certification (HBA Academy, England).
Reza excels in creating tailored sales & marketing plans and offering practical business solutions, which can improve and/or expand the business in B2B, B2C and H2H markets.
Known for his commitment to task, loyalty, problem-solving and reliability, Reza is a dedicated business consultant with an approach that is both pragmatic and passionate, placing high value on client and industry relationships.
Nima Riazati
Management Consultant & Financial Advisor
Financial strategy and operational advice to strengthen business performance.
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BEcon, CPA | Management Consultant & Financial Advisor
Nima Riazati is an experienced finance leader and management consultant specialising in financial strategy, business performance optimisation, and operational efficiency. With a Bachelor of Economics and CPA qualification, he brings a deep understanding of financial management and strategic decision-making to help business owners navigate complex challenges, improve profitability, and prepare for successful business transitions.
As a trusted advisor, Nima has worked closely with business owners to develop strategic financial plans, restructure operations, and maximise business value. His expertise spans financial modelling, cash flow management, cost optimisation, and business valuation—key elements in driving sustainable growth or facilitating a seamless exit.
With a hands-on, pragmatic approach, Nima is committed to delivering tailored financial solutions that align with each business’s unique needs. His deep understanding of financial strategy, combined with his ability to communicate complex financial concepts in a clear and actionable manner, makes him a valuable partner for business owners looking to achieve long-term success.
The right people for your next move.
Tell us what you are considering. We will help you find the right member of our team to speak with.