Our Team - Quantiphy


Established in 2010 and located in Bondi Junction, Quantiphy (formerly Quantum Partners) provides practical solutions tailored to your specific financial goals.

Whether you are a first-time or existing client, we will listen closely and be highly attentive to your unique situation and objectives.

By communicating in simple language, devoid of technical and industry jargon, we provide clear advice and practical solutions.

We pride ourselves on being proactive in identifying and solving issues before they become problems.

We always ‘tell it like it is’ and are always prepared to have the conversations that need to be had, in order to build a professional, trusted and enduring partnership.

Quantiphy is built on successful client relationships and generational clients who continue to place their trust in our practical and tailored advice.

At Quantiphy we look after your financial and wealth requirements as if they were our own.

Adam Black Principal
Founder and Principal


Bachelor of Economics – Macquarie University. Fellow Institute of Chartered Accountants in Australia. Justice of the Peace

Adam is a Principal in our Accounting and Taxation Division and has specialised in taxation and compliance issues of SME’s, high net worth individuals and family groups for more than 30 years.

Adam understands the importance of client service and building strong relationships and has developed a significant client base as a result of his provision of sound commercial and taxation advice in a “language” his clients clearly understand.

Phil Opit Principal
Founder and Principal


Bachelor of Business - University of Technology Sydney. Fellow of CPA Australia. Justice of the Peace

Phil is a Principal in our Accounting and Taxation Division and has specialised in this area for more than 20 years.

Phil has significant experience in small & medium sized businesses in a variety of industries, business executives, high net worth family groups and SMSFs.

He is frequently asked to assist in business recovery, restructuring processes, assisting with financing asset purchases and dealing with legal and financial advisors in a holistic approach to his client needs.

Steven Lin Principal


Bachelor of Business - University of Technology Sydney. Member CPA. ASIC Registered SMSF Auditor. Registered Tax Agent. Justice of the Peace

Steven is a Principal in our Accounting and Taxation Division and has specialised in taxation, advisory and compliance for small to medium sized businesses across a wide range of industries.

Steven is dedicated to helping his clients achieve their financial success by adopting a hands-on, personable approach to his client’s needs.

His exemplary academic background, strong client relationships and a genuine passion for taxation and accounting has resulted in him becoming the youngest partner at Quantiphy.

Simone De Chesne Principal


AFP® Grad Dip FS (FinPlan); M. Fin Plan

Simone is a Principal of our Financial Advisory and is passionate about getting to fully understand her Clients and then creates clever strategies that are individually tailored to their financial situation.

Simone prides herself on simplifying highly complex financial situations and information so her Clients can make better informed decisions. Simone provides exceptional levels of personal attention you want when trusting someone with your most important asset: financial security and peace-of-mind for you and those closest to you.

Tommy Biller Principal


Bachelor of Commerce – University of Technology Sydney. Cert IV Mortgage Broking, FBAA, AFCA

Tommy is a leading credit expert rated one of the top five mortgage brokers in Australia. Tommy and his team have decades of experience looking after first home buyers, upgraders, refinancers, investors and commercial customers alike.

As the lending environment continues to evolve, he has forged deep relationships with majors, non-bank lenders and the private channel to assist with out-of-the-box transactions for self-employed, developers and those with complex loan structures.


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Kim Slatter

Practice Manager
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Andrey Moskalev

Manager – Tax & Accounting
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Anna Zhilina

Manager – Tax & Accounting
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Kieran Movsessian

Manager – Tax & Accounting
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Caroline Santoso

Manager – Tax & Accounting
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Elyse Raschilla

Client Services Coordinator
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Sandra Faul

Client Services Coordinator
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Wendy Traub

Client Services Coordinator
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Kim Bailey

Wealth Paraplanner
Quantum Q Map
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Level 1, 97 Grafton Street, Bondi Junction, NSW, 2022
PO Box 2480, Bondi Junction, NSW 1355
Liability limited by a scheme approved under Professional Standards Legislation
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