Joanne Hahnel

Joanne Hahnel

Founder and Director





Joanne is the Founder and Director of Stone Accountants & Advisors and a CPA with over 30 years in public practice. With extensive experience in business services and tax planning, superannuation, self-managed superannuation, estate and succession planning, and individual taxation, Jo’s focus is to ensure business owners are getting the most out of their business by paying themselves first and operating profitably.

As a certified Profit First Professional, Jo is able to guide and teach business owners to apply innovative, practical and outcome driven strategies in their businesses and help business owners implement highly effective money management solutions to grow their profits.

Athena Ahles

Athena Ahles

Client Manager





With more than 18 years’ experience in accounting and bookkeeping, Athena has been with the firm since 2008. She is a Xero Certified Adviser, Hubdoc Certified Xero Partner and a Reckon One Cloud Advisor and has strong technical skills in bookkeeping, personal taxation, business taxation and corporate compliance.

Sally-Ann Quilliam

Sally-Ann Quilliam

Senior Bookkeeper





Sally-Ann is one of our more recent staff to join Stone Accountants and has a strong accounting and bookkeeping background in a diverse range of industries. She has more than 20 years’ experience in bookkeeping and payroll and around 10 in personal taxation preparation. Sally is a Xero Certified Adviser.

Russell Collins

Russell Collins

Senior Accountant





Russell joined the firm in 1988 and has over 35 years’ experience in commercial and personal taxation. He specialises in personal, business and company taxation and superannuation.

Elijah Koullapis

Elijah Koullapis

SMSF Accountant





Elijah joined Stone Financial Services in 2012, having previously worked in personal taxation and commercial accounting for more than 9 years. He has extensive experience in personal and company taxation, bookkeeping and self-managed superannuation. Elijah is a Xero Certified Adviser.

Emma Hahnel

Emma Hahnel

Client Services Coordinator





Emma is our part-time jack-of-all-trades: administration assistant, assistant bookkeeper, personal tax return preparer and marketing manager. She is a Hubdoc Certified Xero Partner.