Chemring’s chair will join the Keller Group board as a non-executive director with effect from 16 December this year.

Wood will join the board of the global provider to the aerospace and defence market in October as an independent non-executive director.

Robert MacLeod will join the board of the global molten metal flow engineering and technology company as a NED in September.

Alpna Amar joins the board of the high-tech aerospace and defence supplier as a non-executive director with immediate effect.