Leadership Team

It has never been more important for our financial institution to have a Board that is passionate about their work and cares about overall governance to help create great value for our Members.

Catherine M Hallinan - Chair

BA (Hons), MBA, F Fin., FAICD, FAMI.

Catherine joined the Board in June 2006 and was appointed Chair in May 2012. Catherine is also a director of health fund HCF (and its subsidiary companies HCF Life Limited and Flip Insurance Pty Limited), Lawcover Insurance Pty Limited, SMIF Pty Limited, SCOR Global Life Australia Pty Limited and St. Catherine’s Aged Care Services. She has over 30 years’ experience in banking, finance and management consulting.

  • Deputy Chair (March 2010 to May 2012)


Committee Memberships:
  • Audit (March 2014 to present)
  • Nominations & Remuneration (July 2014 to present)
  • Risk (November 2020 to present)


In Catherine’s spare time she loves spending time with family and friends, visiting new places and becoming lost in a good book.


Robyn L FitzRoy - Non-Executive Director


Robyn joined the Board in January 2015. She is also a director of the Self-Managed Super Fund Association and Football Federation of Australia. She has over 20 years' experience in the financial services industry and is a former Executive Director of Macquarie Bank. Robyn is a management consultant specialising in governance and is a former non-executive director of CUSCAL. She also is an accredited facilitator and author of courses for the Australian Institute of Company Directors.


Committee Memberships:
  • Chair Nominations & Remuneration (December 2015 to present)
  • Audit (January 2020 to present)


Robyn believes in keeping her mind and body active. In her spare time she enjoys Pilates, taking long walks with her Boston terrier, and her friends say she throws a perfect ‘Gin’ Soiree.


Peter M Schiller - Non-Executive Director

MBA, Grad Dip. Banking & Fin., MAICD

Peter joined the Board in July 2018 and has nearly 40 years banking experience in Executive Management roles in Risk, Relationship Management, IT and Audit with both the Commonwealth Bank of Australia and the ANZ Banking Group.


Committee Memberships:
  • Audit (July 2018 to present)
  • Chair Risk (January 2020 to present) 
  • Risk (July 2018 to January 2020)


Peter is an avid world traveller especially cruising. When he's not travelling, he enjoys going to the movies with his wife or sons, gardening and following the AFL.


Christine Franks AM - Non-Executive Director

BA (Statistics, Sociology), M.Mgmt (Community), FAICD

Christine joined the Board in August 2019. She is a director with 20 years’ governance experience in financial services, health, NFP and government, and is currently founder and chair of Women in Aid & Development and the Chairs Circle. She is a strong advocate of customer-owned banking with significant experience as a credit union director. Christine has an executive background in sales, marketing, customer research and customer service across commercial and not-for-profit sectors and was awarded the Member of the Order of Australia in 2020.


Committee Memberships:
  • Risk (August 2019 to present)
  • Nominations & Remuneration (August 2019 to present)


Chris enjoys travel with her partner and shares his passion for bird photography, enjoys wine tasting and spending time with godchildren and grandchildren.


Andrew B. Black - Non-Executive Director

Adv Dip. Financial Planning, Dip. Financial Services (Finance & Mortgage Broking), MAICD

Andrew joined the board in August 2019, and has over 35 years financial services experience in banking, wealth, insurance and investments with Citibank (UK & Australia), Commonwealth Bank, St.George Bank, Skandia Australia and Plan B Group Holdings. Andrew has held other non-executive Director and advisory board roles in business coaching and personal insurances and is currently a responsible manager for personal insurance comparison website lifeinsurancecomparison.com.au owned by Alternative Media.


Committee Memberships:
  • Nominations & Remuneration (August 2019 to present)
  • Chair Audit (November 2020 to present)


Andrew enjoys time with family and friends, especially on the family farm and camping with his three grandsons, travelling and keeping active through going to the gym, spin cycling, tennis, squash and snow skiing.


Daniel R Cassels - Non-Executive Director

MAppFin, BMathFin, MAICD

Daniel joined the Board in September 2020. Daniel is a skilled practitioner in global fixed income markets with over 25 years of diverse experience in senior positions across treasury management and debt capital markets with the Commonwealth Bank of Australia.


Committee Memberships:
  • Risk Committee (September 2020 to present)




Dr Hilangwa Maimbo - Non-Executive Director

PhD (IS), MCom (IS), PGrad Dip. (IS), BTech (Hons), MAICD

Hilangwa joined the board in April 2021. Hilangwa is an Information Technology professional with over 20 years of experience in Senior and Executive in Management roles, both local and international, predominantly in the Financial Services industry. Hilangwa’s areas of expertise include Digital Transformation, IT Strategy and IT Operations & Service Delivery.


Committee Memberships:
  • Audit (April 2021 to present)


Hilangwa enjoys a number of hobbies that include interests such as Fitness, Golf and Photography amongst others. He particularly enjoys spending time vacationing and traveling with his family.

Lexi Airey - Chief Executive Officer

BA (Hons), MSc

Lexi started her time with Gateway as Chief Customer Officer and commenced the role of Chief Executive Officer in early 2019.

She is responsible for the overall strategy and direction of the business. Before joining Gateway, Lexi held a number of customer focused roles across a variety of industries in Australia and the UK, including financial services, telecoms and postal services.

During hours Lexi often goes for a run before setting off for the office or for a walk to local street libraries to swap books.

After hours Lexi is passionate about living a sustainable lifestyle that is good for both the pocket and the planet. She is currently investing time in learning new skills most of which are used renovating an old church in Tasmania.


Gerald Nicholls - Chief Risk Officer

B Bus

Gerald’s role is to work with the business and the Board to align strategic and operational efforts to an agreed risk framework. He leads Gateway’s Risk Governance Division where his team actively oversees all elements of credit and operational risk including credit management, compliance and the development of policies and procedures.

Gerald has worked in financial services for over 30 years in both sales and risk roles and that experience across the sector is fully utilised in his role at Gateway.

During hours Gerald likes to use his daily commute for exercise, running or riding to the city, so toast and coffee at the desk is common as the team prepares for the day ahead.

After hours In Gerald’s spare time he’s a triathlete, a yachtsman, mechanic and musician, each unfortunately to about the same standard. As he often says, “I may not be a winner, but I am a finisher”.


Deb Landgrebe - Chief Financial Officer


Deb leads the Finance and Treasury functions, responsible for a blend of financial stewardship, planning and strategy – keeping Gateway financially secure and able to continue serving our customers.

Deb started her career as a Chartered Accountant at Deloitte in South Africa, as well as the United States, The Netherlands and Australia, working across multiple industries over 12 years. Prior to joining Gateway Deb served as an Executive Manager in a variety of Finance roles in Group Finance and the Retail Banking division of the Commonwealth Bank of Australia from 2011 to 2018.

During hours Deb starts each day with a bang, never missing her morning workout, followed by catching up on the morning news and enjoying the commute over the Harbour bridge.

After hours Deb maintains a busy but enjoyable lifestyle. When not taking part in sports events, she loves doing activities with her family, socialising with friends, and travelling.


Peter Buzek - Chief Technology Officer


As CTO, Peter is tasked with establishing a technological vision and leading the technological development for the organisation. Daily, he provides sound technical leadership in all aspects of the business by collaborating with employees, stakeholders and Members. Peter is also responsible for the creation of overall technology standards and practices, and ensuring adherence.

Peter is a Gateway veteran having joined in 2011. Prior to Gateway, he worked in financial services managing core and mission critical applications, with a focus on team development. Combined, he has over 15 years management experience in all areas of IT.

During Hours Peter enjoys early starts and finds his daily drive relaxing – even in traffic – he uses the time to listen to podcasts and stay in touch with family.

After Hours Peter is a DIY IoT project enthusiast and a big F1 and soccer fan (and is often sad about West Ham results). When he’s not installing home automation or enjoying sports, you’ll find him travelling or socialising with friends.