Our People

Managing Director: Brett O’Brien

Owner, founder and Managing Director of OBA Consulting, Brett has over 20 years Risk Consulting experience.

Brett has held senior roles across broking, underwriting and in-house corporate insurance management specialising in tailoring and placement of SME and ASX listed organisations insurance programs.

Brett is a former registered breeder of the Angus Society of Australia and Fellow of The Australian & New Zealand Institute of Insurance & Finance in addition to holding qualifications in Real Estate.

Brett has worked with or for the worlds 4 largest insurance brokers Aon, Marsh, JLT & Willis and has previously held national management positions in household name organizations Australian Red Cross, CitiPower, ME Bank and Cleanaway Solutions.

In 2020 Brett was selected to interview for a $30,000 Nuffield farming scholarship in Europe which he respectfully declined – here and in 2021 Brett completed a Diploma in Loss Adjusting with The Australian Security Academy.

Operations Manager: Patricia O’Brien

Combining an Advanced Diploma in Leadership and Management along with qualifications in Work Health & Safety and Nursing, Patricia brings a very broad skill set to OBA along with outstanding attention to detail, organizational and people skills.

Patricia combines her role as part time Operations Manager at OBA Consulting with being Care Manager at Just Home Care Packages Aged Care.

A multi linguist Patricia manages the day to day operations at OBA Consulting in addition to various other professional commitments.

Legal: Mark Sheller

Over a career spanning more than 30 years Mark specialises in insurance law and commercial litigation advising an extentive variety of insurers, brokers, insured (corporate and personal) on every conceivable aspect of insurance law, particularly business interruption.

Prior to commencing his own practice Mark was formerly a partner in some of Australasia’s most recognised firms with accolades including:

Supreme Court of NSW
High Court of Australia

Best Lawyer: Australia:
– Insurance 2011- 2017

Asia Pacific Legal 500:
– Insurance 2008 – 2016

Cyber: Roel Franco

Having collaborated with Patricia on various projects over the last decade Roel brings Cybersafe expertise to OBA Consulting.

Having previously worked in London, Shanghai and Manila Roel is a highly credentialed IT professional well equipped to navigate IT in 2020 and beyond.


OBA Consulting is a B2B Consultancy Operation.

We do not provide any advice to the general public whatsoever in relation to general insurance products.