He joins next week, followed by John Henderson and David Douthwaite at the beginning of April. Henderson is a former group head on EHS Brann's British Gas account and Douthwaite has worked at Wunderman and MRM Partners.
The fourth creative partner is John Reeves, who is being promoted after three years at RMG.
They will all report to the executive creative director Guy Bradbury, who said: "It is testament to the creative credentials that we are building at RMG Connect that we have been able to attract the talents of someone like Dan."
Last month the agency appointed two 'D&AD Best of New Blood' winners, Chris Chance and Jamie Skipper, who graduated from Buckinghamshire Chilterns University in 2006 with first class honours. They join as the junior creative team.