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Executive Leadership Team

Our Executive Leadership Team leads over 200 staff working in specialised areas of Customers, Homes, Finance, Governance and Risk, Legal and Operations.

Joe Achmar

Acting Group Chief Executive Officer

B.Bus.,  CA.

Joe is an experienced finance executive and is a member of the Institute of Chartered Accountants. He joined SGCH in June 2022. Joe brings almost 30 years of commercial finance experience with twelve of those as a Chief Financial Officer, most recently at Venues NSW. Joe commenced his professional career at EY before joining AMP Capital, culminating in his appointment as Fund Controller for the Property Division. Joe brings experience in similar organisations having been CFO of Campus Living Villages between 2010-2017. In this role, Joe played a key role managing investor and financier relationships while supporting the operating business to serve thousands of students living in properties in Australia, NZ, the USA and UK.

Head shot of Joe Achmar in suit and tie with office background
Professional headshot of Andrew Brooks sitting at a table

Andrew Brooks

Group Executive, Homes

BSc (Honours) Building Surveying, MRICS

As Group Executive, Homes, Andrew oversees a $3.3 billion property portfolio for SGCH. He joined the organisation in May 2013 leading the leveraging strategy associated with the vested portfolio of Nation Building assets and taking responsibility for Development and Construction and Property Services teams, now grouped under the Homes portfolio.

Before joining SGCH, Andrew held the position of Project Leader for the $900m Bonnyrigg PPP at Becton Property Group. Prior to moving to Australia in 2007, Andrew gained commercial experience leading and delivering major urban regeneration projects in the UK, working for the Grosvenor Estate (London and Bath) as Commercial Projects Director, and Development Director at both Associated British Ports (Cardiff Bay) and Bank of Scotland (Edinburgh). Andrew develops and builds strong partnerships with government, community, and key stakeholders to ensure delivery of successful projects with a focus on safe, sustainable homes.

Claudia Certoma

Group Executive, Legal, Governance and Risk
General Counsel and Company Secretary

BEc (Hons I), LLB (Hons I) (Syd), Solicitor (NSW, HCA), GradDipACG, AGIA ACG (CS, CGP)

Claudia joined SGCH in November 2020 to establish and lead the combined legal and governance function and to work with the Board to ensure best practice governance standards. 

Claudia is an experienced general counsel and governance professional with around 20 years of commercial legal experience.  As General Counsel for the residential development business at Frasers Property Australia, she worked with CHPs on mixed use social, affordable and private housing developments and mixed use precinct developments, including the innovative NSW Communities Plus Ivanhoe Estate Redevelopment.

As Corporate Counsel at Laing O’Rourke Australia, Claudia advised the development business and treasury function, working on PPPs, development and construction, finance, corporate and commercial matters, company secretarial, risk and compliance projects.

Claudia’s skills include understanding and working with complex operational businesses to achieve commercial outcomes with a customer and risk focus.

Michelle Taylor

Executive Director Corporate Services

BA, MA (Comms Mgt)

Michelle joined SGCH in January 2025 to lead the Corporate Services team covering people and culture, communications, safety, projects and sustainability. 
 
Passionate about purpose, Michelle is a highly experienced enabling services executive with a track record of creating great outcomes for customers, employees and stakeholders through clear strategy and culture-building. She has led muti-disciplinary teams across a variety of industries including property, financial services and insurance.
 
Most recently Michelle was Group Executive Strategy and Customer at NSW state insurer icare where she led a major strategy refresh anchored around customer outcomes, and built an engaged and effective team with a strong focus on stakeholders. As Chief Executive People, Corporate Affairs and Strategy at Challenger, she established strong stakeholder relationships and helped drive major improvements in the retirement phase of superannuation. 
 
Michelle also brings deep property experience, having spent almost a decade at diversified property giant Stockland, where she led the Strategy and Corporate Affairs teams. Her work across both listed and government entities has also given her a deep commitment to good governance and strong risk management.

Iulia Brooks 

Executive Director, Customers – Homes and Places 

BArch, CPPM   

Iulia joined SGCH in May 2023 as Head of Safe and Sustainable Homes. Iulia has held senior roles in not-for-profit aged care and retirement living, multinational consultancy groups in the advisory and construction delivery space and has delivered projects in the university, commercial and government sectors. 

Iulia was part of the team leading the $7 billion procurement for maintenance across the Sydney Water portfolio. She led the divestment of health services to the Western NSW Local Health District and the NSW Ministry of Health, developing customer-centric approaches to collaboration across business streams. 

Iulia develops and builds strong partnerships with key stakeholders to ensure the delivery of successful services with a focus on safe, sustainable, and quality homes for the community. 

Iulia is leading this new portfolio to enhance our customer-centric approach with a focus on the quality and maintenance of the homes we provide.  

Rachel Nobile

Executive Director, Customer Services

Rachel Nobile is a leader in the NSW social housing sector with over 20 years’ experience. Before joining SGCH, Rachel worked in the private real estate market, bringing valuable industry insights to the social housing space. She holds an Advanced Diploma in Project Management and has successfully led major projects including the Bonnyrigg Partnerships Program and has delivered over 1,000 properties under the Nation Building Stimulus Package.

David Jiang 

Acting Chief Financial Officer

B ActStud, B Econ, M Acc, CA

David brings to SGCH nearly 20 years of experience in senior finance roles with a depth of experience within ASX-listed and mid-sized businesses. David is a skilled relationships manager who develops meaningful partnerships across all levels of an organisation. 

David joined SGCH in July 2023 from Catholic Church Insurance where he held the position of Head of Group Financial Control. He spent nearly 13 years at AMP on statutory and regulatory reporting, mergers and acquisitions, accounting advisory, consolidation, financial planning and analysis, and identifying/executing opportunities that drive tangible return on investment. David was also Head of transformation at MLC Life Insurance and Financial Controller at Allianz Retire+.