Quality NHS care, putting patients first
About Us


Our Vision and Approach

Why Commissioners Choose Us

Current Activities



Privacy Policy


Greenbrook Healthcare is an innovative primary care organisation focussed on delivering first class primary health care solutions. Collectively the principals of Greenbrook Healthcare have a wealth of clinical, managerial, financial, property and investment experience and expertise, as well as financial resources.

Management Team

Dr. Sally Johnson - Medical Director
  • Sally is responsible for the design of clinical systems and for clinical governance in Greenbrook. She also carries responsibility for training and education of clinicians.
  • Sally is a GP at Greenbrook’s Earl's Court Health & Wellbeing Centre, a combined GP Practice and Walk-in Centre.
  • She has a clinical interest in paediatrics (MRCP, paeds). She also has an interest in medical education and has held a number of teaching posts most recently as a GP Tutor. Her other qualifications include an MSc in medical education, MRCGP (merit) & Diploma in Family planning (DipFFP).
  • Sally has been a GP based in Surrey and the Greater London area for many years working in traditional GP practices as well as urgent care walk-in centres.

Michael Steel - Chief Executive
  • Michael is responsible for business strategy, business development and oversees the operational services.
  • 15 years of advising organisations on growth and development issues.
  • In 1998, he co-founded his own advisory business, which he built into a 30-person company in two years before it was bought by Roland Berger Strategy Consultants.
  • Michael has a Masters degree in business administration (MBA) from INSEAD, and a Masters degree in Economics from Oxford University.
Dan Annetts - Chief Operating Officer
  • Dan oversees Greenbrook’s HR, IT and central operations. 
  • Previously Dan was at Virgin Media where he worked on the acquisition of Virgin Mobile and the operational integration and rebranding of ntl:Telewest to Virgin.
  • Dan also spent 7 years in business consulting, including as a founder member of a firm advising small businesses.
  • Dan has an MBA from INSEAD and a degree from Oxford University.


Wendy Lawrence
  • Wendy Lawrence is the CEO of Totally plc. Wendy has a career in both public and private healthcare that spans some 35+ years. She has a wealth of experience having worked within the NHS, BUPA, Health Dialog (US based company), as well as running her own company during which time she supported numerous NHS and social care organisations across England, Wales and Scotland to deliver complex change agendas.
  • During Wendy's NHS career, she was Chief Executive of three large Primary Care Trusts with a combined budget of £460m, here she successfully ran and delivered 100% within budget and target deliveries. Wendy led a number of projects on behalf of the Strategic Health Authority including the establishment of new commissioning models for ambulance services and NHS Direct, as well as contributions to national projects including Reforms of Urgent Care Provision and Taking Healthcare to the Patient.
Gloria Cooke
  • Gloria Cooke is Clinical Quality Director of Totally plc. Gloria has had a forty-year career within the NHS, initially in both adult and children's nursing, practising for ten years in A&E but ultimately as Head of Nursing for a large integrated service. Her NHS management career covered a wide range of services rising to Group Operations Director for one of the largest acute trusts in the UK, managing three district general hospitals. In five years of independent practice Gloria fulfilled roles as Interim Chief Operating Officer, director of transformation and as professional consultant undertaking service reviews.
  • Gloria is also a non-executive director of companies operating within the retail sector where she is able to offer her considerable experience of managing change effectively and efficiently.
LIsa Barter
  • Lisa Barter is Finance Director of Totally plc. Lisa Barter has spent 15 years leading finance in the independent healthcare sector. Prior to joining Totally plc in August 2017, Lisa was the Head of Finance for the healthcare division of Care UK and was employed by Care UK for over 10 years in a senior finance capacity. Care UK is England's largest independent provider of NHS services and has a diverse portfolio of healthcare services which include elective surgery treatment centres, provision of healthcare in UK prisons, urgent care centres, out of hours services and NHS 111.
  • Following a deliberate change in government policy, Independent Sector Treatment Centres (ISTCs) were set up in 2003. These were primarily designed to add capacity and reduce waiting lists for diagnostic tests and planned surgery. Lisa led the establishment of the finance function at Mercury Health Ltd in 2003, a start-up company which was successful in tendering for a first Wave £250m ISTC contract. The company was acquired by Care UK in 2007. Today, the healthcare division of Care UK is a £360 million revenue business. Lisa is a qualified chartered accountant having started her finance career at Ernst & Young LLP. Lisa also held management roles at both Hewlett-Packard and Oracle Corporation.
© Copyright 2019 Greenbrook HealthcareWeb Design By Toolkit Websites