Our Executive Team


Anthony Cross has been Chief Financial Officer of Cancer Council Queensland since October 2021.

Anthony holds qualifications from the University of Queensland, Bachelor of Commerce and has over 25 years’ experience in senior financial management roles with ASX, FTSE 50 companies both nationally and internationally.

Anthony spent more than 10 years working for Mirvac in Sydney. Anthony has previously worked as the Head of Finance, London for LandSecurities.

Anthony brings considerable commercial experience to his role as Chief Financial Officer, strongly positioning Cancer Council Queensland to maintain financial sustainability.


Gemma Lock is the General Manager, Cancer Support and Information at Cancer Council Queensland. Gemma also holds the Chair of Cancer Council Australia’s Supportive Care Committee.

With over 10 years’ experience in nursing and patient care, Gemma understands the impact a cancer diagnosis has on an individual’s relationships, career and employment, finances, physical and mental wellbeing, and day-to-day life. This is why Gemma is passionate about raising awareness of Cancer Council’s support services, which are available to all Australians living with cancer. These services include Cancer Council‘s 13 11 20 Information and Support Line, information resources and practical and financial support.

Gemma’s national role includes guiding Cancer Council’s supportive care priorities to improve these services for Australians impacted by cancer. She is dedicated to fostering collaboration between Cancer Council’s supportive care staff working around the country.


Professor Joanne Aitken is the General Manager of the Viertel Cancer Research Centre and Director of the Australian Childhood Cancer Registry at Cancer Council Queensland.

Joanne leads a collaborative program of research in cancer control. Her focus is on improving diagnosis and early detection of cancer, and reducing inequities in cancer outcomes through population cancer surveillance.

Joanne has worked in public health for 25 years and sits on national and international policy and advisory panels, including the Advisory Council of Cancer Australia. She chairs the Research Executive Committee of Cancer Council Australia and is president of the International Association of Cancer Registries.


Tracey Green is the General Manager, People (Employment and Volunteering) at Cancer Council Queensland.

Tracey leads a team who strategically support the organisation by providing human resource and industrial relations advice, workplace health and safety expertise and the management of volunteer recruitment and engagement.

Tracey is a highly experienced and qualified human resources executive leader, with a functional background in Human Resource Management and Corporate Services. She has had proven career success as a transformational leader working closely with CEOs, Executive Leadership Teams and Boards. Tracey has demonstrated the ability to drive and achieve outcomes in a broad range of complex and dynamic business environments, encompassing the aeromedical, health, retail banking, hospitality and retail industries. She has developed and implemented human resources strategy to align with and drive overarching business, cultural and employee engagement objectives in many organisations.

Tracey has worked in a not-for-profit environment for 13 years and in the health industry for nearly 20 years. Before joining Cancer Council Queensland, she worked with the Royal Flying Doctor Service (QLD). However, prior to that the majority of her experience was in a corporate/commercial environment, working for organisations such as Ramsay Health Care, Stamford Hotels and Hilton. She has an Honours Degree in Social Science, a Graduate Diploma in Human Resource Management and has attended Harvard Business School. She has recently completed a Graduate Certificate in Executive Leadership with the University of Queensland.


Samantha Lennox has held the position of General Counsel, Cancer Council Queensland since 2011 and the additional role of Company Secretary since 2018. She has also held the role of Legal Counsel, Cancer Council Australia since 2018.

In her position as General Counsel, Samantha plays a lead role in establishing and maintaining policies and processes that identify, assess, monitor and manage organisation-wide risk and regulatory compliance. She provides professional advice and support in respect to legal, corporate governance and risk management issues, in order to facilitate enhanced organisational accountability, capacity and performance. As Company Secretary, Samantha is responsible for the provision of efficient administration services to the organisation’s Board and Committees, and maintaining rigorous standards of corporate governance.

Prior to joining Cancer Council Queensland, Samantha worked in private practice as a lawyer for 10 years in Sydney, Singapore and London, specialising in finance. During this period, she also provided pro-bono advice and assistance to a number of community legal centres and human rights law organisations. Her educational achievements include graduating from Griffith University in 1997 with a Bachelor of Laws (Hons.) and Bachelor of Arts (Modern Asian Studies – Japanese language major).

Samantha has been a member of the Queensland Law Society’s Not-for-profit Law Committee since its inception in 2012. She has also been a member of the Charity Law Association of Australia and New Zealand since 2012 and was a Director in 2014/2015. In 2011, she was the founder of the Queensland Bequest Interest Group (for bequest administrators of charities). Samantha was a finalist in 2015 for the Australian Corporate Lawyers Association, Corporate Lawyer of the Year Award.