we do

Established over 30 years ago, InterFinancial is one of the leading corporate advisory firms in Australia. We work with enterprises of all sizes and are the Australian partners of international merger and acquisition advisors, Clairfield International. We work with integrity, providing honest and independent advice to develop creative solutions, and build long term value for our clients.

InterFinancial’s advisory services include:

  • Valuations
  • Financial structuring and capital management
  • Capital strategies
  • Negotiations

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  • Mergers of private and public companies
  • Sales and acquisitions of private companies
  • Strategic acquisitions and joint venture transactions

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  • Strategic investment
  • Private equity investment
  • Debt and mezzanine arrangement

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  • Social and financial returns
  • Funds management
  • Advice to social enterprises and not-for-profits

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View our engagements

Client testimonials

Chris Rolls
Managing Director - PieLab Venture Partners

Rebecca Wilson
Founder - Starts at 60

Quinton Hildebrand
Former CEO - Mackay Sugar Ltd

Ray Miller
Former Chairman - QMASTOR

Rick Anstey
Founding Partner - IQ Funds


Sharon Doyle Managing Director

As Managing Director since 2009, Sharon has a wealth of international experience in merger, sale, acquisition, and private equity processes across various industries. Prior to working at InterFinancial, she was the Vice President of Strategic Planning and Integration at Mincom Limited, a global enterprise software company.

She regularly negotiates significant transactions in the infrastructure, resources and technology industries, leveraging her ability to define and prioritise the financial and non-financial objectives of the parties and work collaboratively towards a successful outcome. Sharon maintains InterFinancial’s commitment to appointing only senior, experienced advisors on each engagement.

This means InterFinancial’s clients receive valuable advice, guidance and insight in addition to efficient process management, while investing less effort in a more focused manner and realising superior results.

Areas of expertise:

  • Engineering and mining services
  • Information communication technology

Qualifications and professional affiliations:

  • Bachelor of Law (Honours) and Bachelor of Information Technology (Distinction), Queensland University
    of Technology
  • Graduate Diploma of Business Administration, University of Queensland
  • Member, Australian Venture Capital and Private Equity Association
  • Qualified member, Australian Institute of Company Directors
  • Non-Executive Director, Unitywater
  • Non-Executive Director, TechnologyOne

Paul Keehan Chairman

Paul has worked in the corporate finance sector for more than 25 years. Before joining InterFinancial in 1997, he worked for Merrill Lynch’s investment bank division, having previously headed the research department in a stock broking firm.

Paul’s speciality lies in valuation, pricing of and presenting companies in the best possible light to ensure they are trading at fair market value. Paul believes an adviser’s role is to take the stress out of an engagement for the client, which contributes to InterFinancial’s general ethos of achieving more for the client.

Areas of expertise:

  • Food and agribusiness
  • Health and medical services
  • Transport and infrastructure

Qualifications and professional affiliations:

  • Bachelor of Commerce, University of Otago
  • Diploma of Business Administration, Massey University
  • Diploma of Financial Services
  • RG 146 Compliant
  • Qualified member of Australian Institute of Company Directors
  • Member of Australian Venture Capital and Private Equity Association
  • Panel member of its National Valuation of Equities and Other Securities, Australian Society of Certified Practising Accountants

Ted Marchant Director

Ted has been a Director of InterFinancial since 1998. Together with his prior experience in banking and finance, he has over 30 years of experience in debt and equity funding, with particular emphasis in private equity at InterFinancial.

Ted was previously the State Manager of Bank of New Zealand Australia and is highly experienced in commercial banking, capital raising, project finance, and impact investing. As a valued team member of InterFinancial’s successful mergers and acquisitions practice, Ted continues to ensure the interests of each client remains paramount during the transaction process.

Areas of expertise:

  • Engineering and mining services
  • Food and agribusiness
  • Health and medical services

Qualifications and professional affiliations:

  • Bachelor of Commerce and Bachelor of Laws, University of Queensland
  • Member of Queensland Law Society
  • Fellow, Australian Institute of Company Directors
  • Fellow, Society of Certified Practising Accountants Australia
  • Fellow, Financial Services Institute of Australasia
  • Solicitor, Supreme Court of Queensland

Mark Steinhardt Director

Mark has over a decade of experience analysing Australian equity markets. Mark joined InterFinancial in June 2010 as an Associate Director. His career started in 2003 as an Equities Analyst, specialising in providing research to institutional investors on listed Australian equities.

Following this, Mark worked for 18 months at Transpacific Industries, assisting the company through a major recapitalisation process and subsequently implementing an investor relations function. Mark understands that every business and transaction is unique.

Areas of expertise:

  • Engineering and mining services
  • Food and agribusiness

Qualifications and professional affiliations:

  • Bachelor of Commerce and Bachelor of Science, University of Southern Queensland
  • Charterholder, Chartered Financial Analyst Institute

David Hassum Director

David Hassum is a Chartered Accountant and Company Director with over 30 years experience across a range of industry sectors.  David has a technology background and commenced his career in the field of computer audit with KPMG. Prior to joining InterFinancial in 2004, David was a Partner at BDO.

As a Director of InterFinancial, David’s technology expertise allows him to focus on corporate strategy, commercialisation, and business development. Additionally, David’s experience in the transport, property development, building, and venture capital industries indicates his vast knowledge of all the elements required for a successful engagement.

For several years David has focused on providing corporate finance advisory services to the Food and Agribusiness (F&A) and Cleantech and Renewable Energy sectors. David leads the F&A team at InterFinancial and the Cleantech sector group for Clairfield International (our international partner). David’s considerable industry knowledge and connections in these sectors add significant value to our engagements.

Areas of expertise:

  • Food and agribusiness
  • Information communication technology

Qualifications and Professional Affiliations:

  • Master of Commerce (Information Systems), University of Queensland
  • Bachelor of Business (Accounting and IT), Queensland University of Technology
  • Director, Integrated Food and Energy Developments
  • Member, Australian Institute of Chartered Accountants
  • Member, Australian Institute of Company Directors

Cathy Montesin Director

Cathy spent 15 years in the Transaction Advisory Services teams at PwC and Ernst & Young in Brisbane, Sydney and San Francisco, undertaking valuation, due diligence, financial modelling, capital raising and Independent Expert Reports for public, private and government entities.  During this time, she was the Queensland representative on the National Business Valuation Special Interest Group of the Institute of Chartered Accountants in Australia.

More recently, Cathy led the Financial Planning and Analysis team at Cleanaway Waste Management Limited, Australia’s largest waste management company, operating a national network of collection, processing, treatment, recycling and landfill assets from over 200 locations across Australia.  During her time at Cleanaway, Cathy was responsible for the strategic planning, budgeting and reporting processes, the oversight of group capital investment, M&A activity and investor relations support.

Cathy has also spent time in the credit restructuring team at NAB, and worked as the CFO of a property company working towards an IPO.

Areas of expertise:

  • Industrial services
  • Manufacturing
  • Mining and mining services

Qualifications and professional affiliations:

  • Bachelor of Business (Accounting) with Honours, Queensland University of Technology
  • ACA, Chartered Accountants Australia and New Zealand
  • Grad Dip Applied Finance and Investment, Financial Services Institute of Australasia

Andrew Wheeler Director

Andrew joined InterFinancial in 2014, bringing with him a diverse commercial background in property development, construction structured finance, capital and equity markets, and general corporate advisory services.

Andrew gained his property development experience in South Africa, focusing on the redevelopment of industrial structures. Since migrating to Australia in 2001, he continued his focus on property development and related finance as Director at Novus Capital and Partner at Luminar International. Following the financial downturn, Andrew made a definitive change from property to the merger and acquisition market.

His current focus is capital raisings and business succession. Andrews’s key strength is his ability to qualify genuine opportunities and ensure expectations of all parties are aligned from the outset to ensure positive outcomes.

Areas of expertise:

  • Engineering and mining services
  • Food and agribusiness
  • Information communication technology
  • Health and medical services

Qualifications and professional affiliations:

  • Bachelor of Accounting (Honours), University of South Africa

Simon Douglas Director

Simon has over 11 years financial services experience working with mid-market companies across a of range of sectors. During this time Simon has helped numerous companies grow, divest or acquire.

Simon is also passionate about helping mature businesses realise the value in their company. Simon uses a deal team approach to work with key partners in the market to help businesses navigate and transition change of ownership events successfully.

His focus is on helping companies through event driven activity. Simon’s key strengths are his ability to work with clients to drive value and to balance the requirements of key stakeholders to ensure a fair and equitable outcome for all involved.

Areas of expertise:

  • Business and financial services
  • Information technology and software
  • Engineering, contracting and mining services
  • Health and medical services

Qualifications and professional affiliations:

  • Masters of Business Administration (Business Administration & Management) – Kaplan Business School Pty Limited
  • Masters of Applied Finance (Corporate Finance & Investment Banking) – Financial Institute of Australasia (FINSIA)
  • Bachelor of Business (Marketing and Banking) – Griffith University
  • Bachelor of Information Technology (Computer Programming) – Griffith University

Rhyll Gardner Director

Rhyll joined InterFinancial in 2017.  Prior to that she had a 30 year career in banking and financial services at St.George, Westpac, Suncorp and Bank of Queensland. Most recently she orchestrated a turnaround of Foresters Group, a not-for-profit finance company.

Her value added to clients is through deep finance and financial expertise along with broad experience across governance, risk management, strategy, M&A, digitisation, people and culture.

Over her long career in ASX listed banks, Rhyll filled executive and general management roles in treasury, risk and compliance, marketing, corporate banking, retail banking and group strategy. She played a key role in St George’s considerable growth and achievements as a business bank and extended this expertise to encompass retail banking, increasing performance and profitability, customer satisfaction and employee engagement.   As Queensland Managing Director, Rhyll presided over St George’s successful expansion into a challenging new market, building growth and brand awareness across the retail, business and wealth management sectors through all channels. As General Manager of Group Strategy for St George she drove strategic development and as Head of Group Strategy at BOQ, she led the $440 million acquisition of Investec.

Areas of expertise:

  • Financial services and institutions
  • Funds Management
  • Not for Profit Sector
  • Arts Sector
  • Education Sector

Qualifications and professional affiliations:

  • Bachelor of Commerce and Bachelor of Economics, University of Queensland
  • Master of Applied Finance, Macquarie University
  • Executive MBA, INSEAD
  • Fellow, Finsia
  • Graduate member, Australian Institute of Company Directors
  • Managing Director, Foresters Group
  • Non-Executive Director, Innovation & Business Skills Australia
  • Non-Executive Director, Expressions Dance Company

Angela Tillmans Director - Consulting

Angela Tillmanns joined InterFinancial in June 2017 after ten years in the community sector as CEO of CPL – Choice Passion and Life (formerly Cerebral Palsy League of Qld). In this role she substantially grew the organisation and prepared both clients and the organisation for the National Disability Insurance Scheme.

Before joining the community sector, Angela was a senior executive with the Federal Government involved with the delivery of human services. Angela’s 30 year career in the Federal Government prepared her well to work across all sectors of the economy to bring about societal change. Throughout her career Angela has been committed to creating better systems, in the broadest sense, for Australians to receive more integrated services that produce greater value for individuals and society at a reduced cost.

Areas of expertise:

  • Government
  • Not for Profit sector

Qualifications and professional affiliations:

  • Master of Business Administration, Queensland University of Technology
  • Graduate Diploma Social Ecology (Change Management), University of Western Sydney

Tom Benham Associate Director

Tom joined InterFinancial in 2018 after working in the turnaround business advisory space for the last 2 years. Prior to his experience in corporate advisory, for 6 years Tom worked in a range of engineering roles across both onshore and offshore oil & gas internationally and throughout Australia. Tom’s broad, practical experience complements his skills in financial analysis, valuation and the development of robust financial models.

Tom is passionate about renewable and emerging technologies, as well as working closely with businesses to ensure that the stakeholders’ objectives are always at the forefront of each engagement.

Areas of expertise:

  • Engineering, Oil & Gas
  • Resources & Energy
  • Marine Services
  • Yacht Design
  • Defence

Qualifications and professional affiliations:

  • Bachelor of Engineering (Mechanical/Naval Architecture) – Australian Maritime College
  • Master of Applied Finance (Corporate Finance & Investment Banking) – Kaplan Business School
  • Diploma of Financial Planning – Kaplan Business School

Anthony Vago Associate Director

Anthony joined InterFinancial in 2017 after working for the Clairfield Group in Europe for the last 4 years. In addition to his corporate finance advisory background of 6 years, he brings a wide range of both international and industry experience to the table. He worked in Europe for over 20 years in multiple positions, including CFO at the European branch of CMR Industria e Comercio – a leading Brazilian textiles company – for 10 years, as well as private equity analyst at Bank of America and equity analyst at Bank Austria & Rabobank.

His specific skills include valuation, financial modelling, financial analysis & due diligence.

Areas of expertise:

  • Automotive
  • Oil & gas
  • Chemicals
  • Technology

Qualifications and professional affiliations:

  • Bachelor of Commerce (Honours), University of NSW
  • Sydney Futures Exchange Specialist Certificate

Erik Padding Associate

Erik joined InterFinancial in 2018 and has over 4 years’ experience within the financial services industry, covering a range of corporate/investment banking roles. Prior to joining InterFinancial, Erik was part of a 3-year rotational program at ABN AMRO in Amsterdam where was involved in the M&A, Private Equity and Structured Finance teams. Erik has experience in financial modelling, due diligence, strategy planning and transaction management.

Areas of expertise:

  • Business Services
  • Industrials
  • Retail

Qualifications and professional affiliations:

  • Bachelor Degree in Business and Economics (University of Amsterdam)
  • Master Degree in Finance (University of Amsterdam)

Michael Kakanis Analyst

Michael joined InterFinancial in 2017 as an intern, and has provided support on a range of deals. Since then he has progressed to a full time role, while continuing his finance studies. He has passed all three exams of the CFA Program. Prior to joining InterFinancial, Michael worked as Research Scientist and University Lecturer, completing his PhD in Immunology, Medical Biochemistry and Physiology.

Areas of expertise:

  • Biotechnology
  • Scientific research
  • Health

Qualifications and professional affiliations:

  • Passed all three levels, CFA Institute
  • PhD (Immunology), Bond University
  • Bachelor of Health Sciences (Honours I), Bond University
  • Bachelor of Sports Science, Bond University

Senior team


We are the exclusive partner firm of Clairfield International in Australia.

Clairfield International is a partnership of leading corporate finance firms around the world, providing advisory services on middle-market transactions for large companies, private investors and private equity, public sector clients, and family businesses. We act as one firm, providing a seamless advisory offering to our clients globally, particularly in crossborder M&A transactions.

Clairfield is headquartered in Europe with locations in every major region worldwide. Through on-the-ground teams, Clairfield offers our clients access to local corporate businesses and investors combined with a deep understanding of local regulations and cultures as well as key decision makers.

Clairfield ranks as one of the top independent M&A advisors in the annual, worldwide, European, US, Latin American, and Asia Pacific league tables by Thomson Reuters.

Learn more about Clairfield at www.clairfield.com 


Buying, selling or merging your business is one of the most important events in your life. You need someone you can trust and who understands. Call InterFinancial to discuss your options and help you achieve more.

Tel: +61 7 3218 9100
Fax: +61 7 3218 9199

Level 2, 201 Charlotte Street
GPO Box 975
Brisbane QLD 4001