Groupe Aeroplan, the company behind the Nectar reward scheme used by Sainsbury's, has appointed Tony Buffin to the new role of executive vice president and managing director. Buffin will be responsible for business units managed out of the group’s London office, including Nectar and LMG Insight and Communication, which tracks consumer behaviour using data from Nectar purchases. “There are significant opportunities to build on our market-leading position in the UK and internationally and I look forward to growing our businesses,” said Buffin.