<p>Bovis chief executive David Ritchie stepped down from his post with immediate effect. He will remain with the group until February 28 to assist with the process of transition.</p> <p>The board has appointed Earl Sibley, the group's finance director, as interim chief executive and will immediately start the process to appoint a permanent successor which is expected to take several months.</p> <p>Commenting on his decision to leave, Ritchie said: "It has been a privilege to serve Bovis Homes as its chief executive over the last eight years as the group has doubled in size and delivered record profits. I believe now is the right time for someone new to lead the group into its next phase of development. I have spent over 18 years working for this great company and I wish Bovis Homes every success in the future."</p> <p>Ian Tyler, chairman, commented: "On behalf of the company, I would like to thank David for his major contribution to Bovis Homes over his 14 years on the board initially as group finance director, then group managing director and as chief executive since 2008. During his time as chief executive, the group successfully navigated the housing market recession and has grown …