John Fairlie


  • Is a member of the Financial Planning Association of Australia.

John founded GDA when he acquired Geoff Doolan & Associates in 2000 and has overseen the development of the group to that which exists today. He has been in the financial services industry since 1987 working with both large institutions and small boutiques and has almost 40 year’s experience in business management.

John M. Di Monda

BCom, CPA, ATI, DipFS (FP)

Executive Director
  • Is a member of the Australian Property Institute, CPA Australia and The Tax Institute.

John joined GDA in 2011 and is the Chief Executive Officer and Chief Financial Officer of the GDA Group. His background includes banking, public practice and commercial accounting, tax, funds management and regulatory compliance.

Helen Cowhan


Executive Director
  • Is a member of CPA Australia.

Helen is an experienced business and taxation accountant holding a Public Practice Certificate and is a Registered Tax Agent. Helen has enjoyed over 20 years’ experience supporting both individuals and businesses in meeting their personal and business reporting requirements and, more importantly, providing strategic advice, relevant reporting and information to assist her clients to reach their goals, understand their business position and make better business decisions, regardless of the stage of business they are in.

Malcolm Penglase

AFP® BBus)

Executive Director, Business Development Manager

Malcolm has a Bachelor of Business from La Trobe University, and a diversified background of management, banking and finance with over 18 years’ experience in financial services.

Rod W. Parker


Non-Executive Director

Rod was a licensed real estate agent and is a life member of the Real Estate Institute of Tasmania. He is a past Director and partner of Knight Frank Tasmania and his extensive experience of over 40 years in the Industry was broad based with a particular emphasis in the Commercial Property area.

Bernard Smith


Non-Executive Director

Bernard has over 40 years industry experience and has provided specialist advice and due diligence support to Public and Private Companies, Listed and Unlisted Trusts, Syndications, Aviation and Freight Industry, State & Federal Government in relation to rental assessments, acquisition, redevelopment and disposal of property assets. Bernard is a Certified Practising Valuer and Certified Property Practitioner and a former joint founding director of Knight Frank Valuations (Victoria).

Allistair Lindsay

BPD, BBldg (Melb)

Non-Executive Director

Allistair has over 35 years’ experience in all facets of the Property and Construction industry. He has held senior positions in Development Management, Project Management, Architecture, Civil and Construction firms and was formerly the Chief Quantity Surveyor for the Victorian State Govt. He was also Associate Director – Procurement at UTAS. He has previously sat on the Real Estate Agent’s Tribunal, the Tasmanian Building and Construction Industry Training Board and the Property and Construction Advisory Board of the University of Melbourne where he also lectured in Professional Practice. Major project experience includes Federation Square, Docklands Stadium, Brighton Bypass and Intermodal Transport Hub, Parliament Square, major projects for UTAS, and various large Hotel and Residential Apartment projects.