Mcluckie will lead Nucleus’ team of six marketing and communications staff.
He will report to business development director Barry Neilson.
Neilson says: “We are thrilled Garry is joining our team. He is a highly experienced communicator with a deep understanding of the platform space.
“He brings a wealth of knowledge and insight to the team which I am sure will prove invaluable as we continue to develop and grow our proposition.”
Mcluckie says: “Nucleus is one of the most progressive and dynamic financial services companies in the UK and I very much look forward to joining the team and playing my part in driving the business’ future success.”