About Us

Board and CEO

Nerida Caesar

Nerida was appointed to the Workplace Giving Australia Board in the position of Chairman in June 2019.

Nerida is a Non-Executive Director of Westpac Banking Corporation and a Director NBN Co Limited.

Prior to this, Nerida was Group Managing Director and Chief Executive Officer, Australia and New Zealand, of Equifax, formerly Veda Group Limited (VED.AX) from February 2011 to June 2017. She is also a former director of Genome.One Pty Ltd and Stone and Chalk Limited.

Nerida was formerly Group Managing Director, Telstra Enterprise and Government, responsible for Telstra’s corporate, government and large business customers in Australia as well as the international sales division. She also worked as Group Managing Director, Telstra Wholesale.

Prior to joining Telstra, Nerida held several senior management positions with IBM within Australia and internationally over a 20-year period, including as Vice President of IBM’s Intel Server Division for the Asia Pacific region.

Nerida is currently an Advisory Board member of IXUP Limited.


Tim Sims AM is a Managing Director of Pacific Equity Partners. He was Chairman and Managing Partner of Bain in Australia and South Africa and a Founding Partner of the LEK Partnership.

He has served on the Boards of the Garvan Foundation, Ravenswood School, and is invested in a range of other philanthropic and community endeavours.

Peter Stumbles

Peter Stumbles is the Managing Partner of Bain & Company Australia, based in Sydney.

He is the former head of Bain’s Asia-Pacific Financial Services practice, and has extensive experience across financial services markets including retail banking, business and institutional banking, P&C and life insurance, wealth management and payments.

Over his more than twenty years at Bain, he has also supported clients across many other industries, including technology, telecommunications, private equity, retail and industrials.

Peter has served clients in the development of corporate strategy, customer-led growth, digital and technology, data &analytics and operating model transformations. He has worked across Australia, New Zealand, Asia and North America.

Peter studied at the University of Sydney where he received a Bachelor of Engineering, First Class Honours.

Berkeley Cox

Berkeley Cox is the Chief Executive Partner of the Australian operations of King & Wood Mallesons, a global law firm headquartered in Asia. He leads the strategic direction of the Australian firm (comprising approximately 1,000 lawyers) and drives execution against firm priorities and on its client, people, international, innovation and community agenda.

King & Wood Mallesons is seeking to challenge traditional ‘big law’ notions by creating a workplace where all individuals and teams can maximise their performance and wellbeing in a sustainable way by focussing on both systemic and proximate change through the redesign of parts of the core operating model and by focussing on improving the everyday experience for all.

Berkeley became a partner of legacy Mallesons Stephen Jaques in 2001 and managed a successful legal practice covering debt capital markets, funds management, structured finance, securitisation and derivatives including practice in the U.S. in the late ‘90s when he was admitted to the New York Bar. His background in transactional practice has provided him with critical insights into clients’ needs, expectations and commercial drivers and a strong desire to find innovative solutions to complex problems and way of working.

David Mann
Group CEO

David Mann joined WGA in January 2022. He has led successful strategy, operations and technology businesses in Australia, Asia Pacific, Europe and North America, most recently, as Managing Director for Accenture’s Mergers & Acquisition practice in Asia, Pacific, Middle East and Africa.

He currently serves on the Boards of Tour de Cure Australia, RSL Lifecare, The Consortium Clemenger and as a founding partner of Harrow Advisory. David is a graduate of the Australian Institute of Company Directors, a fellow with the Governance Institute of Australia, and holds an MBA from INSEAD, a Masters of Accounting and Finance (UTS) and a Bachelor of Laws (UTS).