Gooch & Housego has announced that Gary Bullard will be appointed to the board as non-executive chairman at the annual general meeting on 21 Feb.
He will take over from Gareth Jones ho is stepping down following almost 37 years with the company.
Gooch & Housego said Bullard had extensive experience of strategic leadership roles in a range of sectors including information technology, telecommunications, support services and industrial and had substantial international expertise in high growth environments.
He currently holds non-executive positions at companies including Rotork plc and Spirent Communications.
Previously, he held senior executive positions at Logica plc, BT Group plc and IBM Corporation.
Chief executive Mark Webster said: 'I would like to thank Gareth, both personally and on behalf of G&H, for his wisdom and guidance as chairman over the last three years and for his immense contribution to G&H's growth as a business over many years.
'All his friends and colleagues at the company wish him well in his future endeavours.
'Gary Bullard brings extensive strategic and leadership experience drawn from roles at an impressive group of multi-national public corporations across a range of sectors.
'The board looks forward to benefiting from his counsel and expertise as the company moves forward into its next stage of development.'
At 9:16am: (LON:GHH) Gooch Housego PLC share price was -3p at 1510p