Woolcott joins the agency as a global creative director and will report to the agency’s worldwide chief creative officer, Matt Eastwood. He will work on the agency’s global Shell and Nestlé business.
He joins from VCCP, where he was a creative director on O2 and Royal London from November 2013.
Between 2007 and 2013, Woolcott worked as a freelance creative director for agencies including Wieden & Kennedy Shanghai, where he worked on Levi’s, and at Google Creative Lab New York.
Ramsey said: "Marcus has a vast global experience and it’s fantastic he’s decided to join us."