Mark Perry - Chief Executive
Mark joined Sentinel in January 2013, and his extensive experience spans over 21 years' in the sector. Previously the Group Commercial Director with Affinity Sutton, Mark also holds a number of
non-executive Board positions. As well as the other Sentinel directors, departments reporting to Mark include HR and Company Secretariat.
Lionel Haynes - Finance Director
Lionel joined in 2003 as Finance Director. He previously held a wide range of senior positions in the manufacturing and service industries. In charge of finance, IT and performance.