Management Team


Dr Malcolm Parmenter

Managing Director and Chief Executive Officer

Dr Malcolm Parmenter joined Primary in September 2017 as Managing Director and Chief Executive Officer.

Malcolm has a wealth of knowledge and practical experience in the operation of medical centres, with over nine years’ tenure as CEO of Independent Practitioner Network Limited, both as a listed company and under the ownership of Sonic Healthcare Limited, and subsequently two years as CEO of Sonic Clinical Services.

He has a strong understanding of healthcare, both in Australia and abroad, and spent more than 20 years as a General Practitioner. His experience in healthcare policy regulation is extensive, and Malcolm was most recently a member of the Primary Healthcare Advisory Group into chronic and complex illnesses.


Malcolm Ashcroft

Chief Financial Officer

Mr Ashcroft was appointed to the position of Chief Financial Officer (CFO) in July 2015 and assumed Group Executive responsibility for Information Technology, Property and Risk Management in July 2016. He was appointed Acting CEO from 23 May 2017 - 6 September 2017. 

Malcolm joined Primary from CIMIC Group Limited, where he was Deputy CFO since January 2013. He was previously a partner at KPMG, where he was the National Leader of the CFO Advisory practice, a member of the National Audit Leadership Executive, and was an adviser to a number of leading companies.

Malcolm has a proven track record in financial management and business transformation and has international experience in Asia, the Middle East and the USA.


Yvette Cachia 

Group Executive - People and Legal

Ms Cachia was appointed Group Director – Human Resources in March 2015 with responsibility for Primary’s human resources strategy and management, including reward and recognition, learning and development, employment policy and employee relations.

Prior to this appointment, Yvette was the General Manager, People and Governance (from September 2011) and Company Secretary (from November 2008), with responsibilities across the Primary Group in corporate governance, company secretariat, human resources, insurance and incident management.


John Houston

Chief Executive Medical Centres - Bulk Billing

Dr John Houston joined Primary in June 2012 as Chief Clinical Officer of the Medical Centres division. He has been a General Practitioner for over 27 years and has experience operating a large 22 Doctor multidisciplinary medical centre in Ingleburn in South Western Sydney. In March 2016, he was appointed to the position of General Manager – Medical Centres (Bulk Billing division).

Previously as Chief Clinical Officer of Primary’s Medical Centres division, John was responsible for the recruitment, education and clinical standards of over 1,000 General Practitioners, Dental Practitioners and Physiotherapists, and for the supervision of three day surgery units performing over 5,000 procedures a year. He has unparalleled first-hand knowledge and understanding of the healthcare industry and of general practitioners from being a registrar, supervisor and examiner for the Royal Australian College of General Practitioners (“RACGP”) and a faculty member of RACGP NSW.


Maxine Jaquet

Chief Executive - Health & Co

Ms Jaquet joined Primary in July 2015 as Group Director – Commercial. In March 2016, she was appointed to the position of Chief Executive Health & Co.

Maxine has extensive commercial and operational line management experience in both consumer goods and industrials sectors. Maxine has managed a number of significant transformations, generating substantial margin improvement and business growth. As the former Head of Alliances, Qantas Airways, she led the turnaround of the International business, underpinned by the establishment of key joint venture partnerships. Maxine has significant expertise in developing customer‐centric growth, having led a customer transformation program in a global FMCG and managing the Qantas Group’s multi‐brand commercial structure.


Dean Lewsam

Chief Executive - Imaging

Mr Lewsam is Chief Executive of the Primary Group’s Imaging division, having been appointed to the role in October 2015. Since joining Primary in April 2012, he has held various operational management roles in the Imaging division and has been responsible and a key advocate for the expansion and advancement of a number of Primary imaging sites around Australia.

Dean has over 25 years’ experience in the healthcare sector of which 15 years have been spent in diagnostic imaging. Prior to joining Primary, Dean held several senior positions with other leading imaging providers.

Dean has extensive insights and a proven history in turnaround management with a keen emphasis on people management, business engagement and technology.


Mark Neeham

Chief of Staff and Group Executive - Government Relations

Mr Neeham was appointed to the role of Group Executive, Government Relations in May 2015, with responsibility for developing and implementing Primary’s relationship strategies with Commonwealth and State Governments, parliamentarians, industry and professional bodies, as well as preparing and advocating policy priorities for Primary. 

Mark joined Primary from the Crosby|Textor Group where he was Executive Director.

Having worked in senior professional positions for political parties in Australia and the UK, Mark has extensive experience in strategy, campaigns, management, government relations and public policy, and also has extensive international experience.


Janet Payne

Group Executive - Corporate Affairs

Ms Payne was appointed to the position of Group Executive – Corporate Affairs in July 2015.

Janet joins Primary from CIMIC Group Limited where she was head of investor relations for over three years. Previously she worked in a range of roles, including investor and media advisory and board advisory. Janet managed the Initial Public Offering and established investor relations at Qantas Airways Limited. She has also worked in finance, having started her career at KPMG in London and Sydney.


Wes Lawrence

Chief Executive - Pathology

Appointed as Chief Executive for Pathology in late 2016, Mr Lawrence has almost 30 years’ experience in the pathology industry. He joined the group in 1992 as a laboratory scientist in Queensland, and has since worked in a number of key operational and business development roles. Most recently, Wes was the CEO of the Laverty Pathology business, a market leader in Pathology collection and testing in NSW and the ACT.

Wes’ proven experience in the industry, coupled with his strong leadership capability and commitment to continuous improvement, will help the Pathology business deliver on its market leading strategy.


David Lloyd

Group Executive - Transformation

Mr Lloyd joined Primary in 2016 as Group Executive, Transformation. His role sees him working alongside the Group’s divisions to drive change, with a particular focus on Medical Centres Bulk Billing and the digital services agenda.

David has extensive experience in delivering business and technology programs to improve customer satisfaction, staff engagement and productivity across a range of service industries. Prior to his appointment at Primary, David worked for KPMG as a Management Consulting Partner, which saw him focused on operating model redesign and operational improvement.