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Our directors

Mark Perry 
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 directorLionel 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.



Mike Shepherd - Development and Regeneration Director

Mike is in charge of developing new homesneighbourhood regeneration and home ownership.




Julian Chun

Julian Chun - Operations Director

Julian has responsibility for neighbourhood services, property services and customer services.