Our Team

Our leadership team and senior management

Rachael Lucas

General Manager

Rachael was appointed General Manager of Bowen Hospital in December 2020. She is responsible for the clinical and operational oversight of all aspects of the facilities and staff at Bowen.

Rachael has a long history in surgical nursing and has previously worked at Bowen’s sister hospital, Wakefield, in various roles including Registered Nurse, Charge Nurse and latterly as Clinical Operations Manager for the past 14 years. Rachael started her nursing career in 2000 at the Hutt Hospital working in the Burns & Plastic Surgical unit, specialising in pre and post-surgical care and wound care management. Prior to this she worked in the shipping industry managing containerised exports.

Rachael has extensive experience in leading teams and hospital governance. She has strong relationships with the specialists at both sites. She is secretary of the Bowen Medical Advisory Committee and leads Bowen’s compliance with all medical and safety standards, and legislative requirements.

Reggie Williams

Acting Theatre Manager

Bio to come

Hannah Sims

Quality & Infection Prevention Co-ordinator

Bio to come

Karen Tickelpenny

Gastroenterology Team Leader

Karen has been nursing at Bowen hospital in a variety of nursing and administration roles since 1990. With her special interest and experience in Gastroenterology she was appointed Team Leader In 2013.

Karen is committed to achieving high-quality care for our patients in a safe and supportive environment. Her collaborative leadership style enhances the team approach and facilitates a culture of continuous improvement in patient care provision.

Elinore Harper-Spiller

Ward Services Manager

Bio to come

Our Evolution leadership team

Stephen Johnston

Chief Operations Officer

Stephen Johnston has held senior management positions in various Australian Healthcare organisations over the past 20 years. Prior to joining Evolution Healthcare as Chief Operating Officer in September 2019, Stephen was a Director at Sydney Adventist Hospital, this position saw him lead a multidisciplinary team in building and developing the supporting staff and infrastructure of one of Australia’s largest Private Hospitals.

During Stephen’s five years with Evolution Healthcare, Stephen has transitioned from the General Manager/DON of Waratah Private Hospital in NSW. Under his direction he commissioned the Rehabilitation Centre at Waratah Hospital including a modern gym and hydrotherapy pool with growth in both inpatient and day rehabilitation services developing the Hospital into its future as the centre for rehabilitation excellence in South/West Sydney.

Ben Thynne


Over the past fifteen years, Ben Thynne has gained significant experience in acquiring, redeveloping and managing private hospitals with a focus of delivering excellence in healthcare. Prior to founding Evolution in 2011, Ben was the Founder and Managing Director of Healthe Care Australia. Under Ben’s management, Healthe Care became Australia’s largest privately-owned network of private hospitals. For several years Ben was a director of the Australian Private Hospitals Association. Ben’s qualifications include a Bachelor of Law and a Graduate Diploma in Finance and Investment. He has been admitted to the Supreme Court of Queensland.

Richard Grenfell

Medical Director / Director

With over 35 years as a specialist Anaesthetist, Richard Grenfell founded Boulcott Hospital in Wellington, serving as founding Chairman and CEO. He has been intimately involved in the operational management whilst elevating the medical and surgical capability of the hospital since its inception. Richard stepped down from his role as Chairman in 2005 and as Managing Director in June 2015. He was a Director of Wakefield Hospital from 1989 to 1997 and is currently the Medical Director and a Director of Evolution Healthcare.

Matthew Clarke

Chief Financial Officer

Matthew Clarke brings extensive experience providing strategic financial leadership across a portfolio of businesses with over 20 years of experience in finance and commercial management roles across the services and resources sectors. Returning to New Zealand in 2019 after 15 years spent mostly in the UK and Australia, Matthew has previously held senior finance positions with global quality assurance provider Intertek Group, including Group Treasurer in London and most recently Regional CFO based in Sydney.

Alongside our Directors and Senior Management, we have our incredible staff and specialists working with us at Bowen Hospital.