Trust Board Members

Jonathan WadeJonathan (John) Wade joined the Trust as Director of Operations in January 2020. He previously worked at Queen Elizabeth Hospital in Kings’ Lynn where he was Chief Operating Officer. In October 2021, Jonathan became our Chief Operating Officer.

He is very committed to supporting staff to ensure the Trust continues to deliver the very best standard of care to our patients.

John is a member of the Executive Team and the Trust Board and believes teamwork throughout the organisation is one of the most important factors in delivering outstanding care for patients.

John was appointed CEO on the 1st September 2022. 

Tom - CMO.JPGTom started as Chief Medical Officer on Thursday 1st September 2022. ​​​​​​​Dr Clark is a Consultant in Geriatric and Stroke Medicine and has held senior medical roles in several NHS Trusts, most recently at Oxleas NHS Foundation Trust as Deputy Medical Director.

Dr Clark said: “I am delighted to be appointed as the next Chief Medical Officer of Dartford and Gravesham NHS Trust. It is an organisation that I admire and, as we come out of the pandemic, I am excited to work with the executive team - and all the amazing individuals who make up DGT - to help navigate the Trust towards its Journey to Outstanding.” 

tori.pngVictoria (Tori) Harrison joined the Trust as Chief Operating Officer in January 2023 having previously worked at East Kent Hospitals University Foundation where she was the Director of Operational Delivery.

Tori is a member of the Executive Team and the Trust Board and strongly believes in empowerment, multidisciplinary working and continuous quality improvement. When you feel part of something, you have the permission and tools to do the right thing, the opportunities are endless and delivery of outstanding care for patients is possible.






Siobhan CallananSiobhan started her career in nursing as a RGN at the Whittington Hospital in 1984 before going on to work at Moorfields Eye Hospital in 1989. She has worked locally at Maidstone and Tunbridge Wells NHS Trust since 1995 becoming Associate Director of Nursing for Surgery and Oncology and Private Patients Unit in 2008.

Siobhan started with the Trust as Deputy Nursing Director on 1st January 2017. Siobhan is now the Trust's Chief Nurse.

Alexandra Bode-TunjiPrior to joining the Trust Alexandra was the Executive Director of Human Resources at Buckinghamshire New University [BNU] driving culture changes, employee engagement leadership and management development, workforce planning as well as equality diversity and inclusion. She was also involved with the setup of the Skills Academy in Buckinghamshire, to meet the demand for new nurses and future health roles within the NHS.  

Previously to working at BNU, Alexandra worked at Transport for London for 10 years and her last role was, leading the people transformation programme as part of the ticket office closure programme within London Underground, which resulted in improvements in employee engagement and the customer experience. Alexandra is passionate about leadership, employee engagement,  customer experience and stakeholder engagement.

Alexandra was previously the Chief People Officer at Dartford and Gravesham NHS Trust but has now taken up the role of Interim Chief Strategy, Improvement and Integration Officer (CSIIO).


Sheridan Flavin joined Dartford and Gravesham NHS Trust in October 2023 as Interim Chief People Officer. She previously worked as Interim Chief People Officer at Sirona Care & Health. Immediately before that, she worked as the Interim Chief People Officer at Torbay and South Devon NHS Foundation Trust and, prior to that role, was the Director for People and Organisational Development with the Bath and North East Somerset, Swindon and Wiltshire Clinical Commissioning Group. She has spent over 20 years working at Board level in both the public and private sectors.

Sheridan message to the Trust and staff is: “I am delighted to join you and I am really looking forward to meeting and getting to know you. Working in this role provides me with the opportunity of supporting you and your teams and in turn influencing the impact that you have on patients and the people who use our services.”

Guy - Chief Finance Officer.JPGGuy joined DGT in September 2022. Previously, he was the Deputy Finance Director at East Kent Hospitals University NHS Foundation Trust and last year was announced as Deputy Finance Director of the Year at the HFMA National Healthcare Finance Awards.

Guy said: “I am very proud to be joining DGT at such an important time. My goal as incoming CFO is to support the organisation as they look to deliver its five-year strategy and place the Trust on a sustainable financial footing as it travels through its Journey to Outstanding”.