Slatem spent seven years at Red, where she was most recently director of consumer brands. At Red, she headed up its McDonald's, GSK, Cadbury Bassetts and LEGO accounts.
She will work alongside Frank founders Graham Goodkind and Andrew Bloch to drive campaigns for Frank's current portfolio of clients in addition to pursuing new business projects.
Slatem commented: ‘I'm excited to be joining Frank at a time of such great growth. I'd been watching their progress in terms of client wins and creative awards for a few years and look forward to being part of the team that takes the agency to its next phase.'
Slatem has been in agency PR for 11 years, having started her career at MDA and Clarion Communications.