Trimension, a division of Burgess Hill-based visual display specialist firm SEOS, has appointed Ian Dyer as sales manager.

Mr Dyer has more than 20 years sales experience in the broadcast and audio-visual industry, working for Visual Impact, Saville Group, Team 4 and TVE Group.

He has been with SEOS/Trimension for 14 months as an account manager.

He said: "I hope to bring a day-to-day understanding of the market sector challenges to the new position and an insight into where the opportunities lie and to maintain our position as market leaders."