Morris, who has been freelancing at GCI Health for several months prior to the appointment, had previously spent eight years at Ketchum leading its women’s health business.
She will head up GCI Health’s oncology-focused accounts, in partnership with current director Rikki Jones.
The agency has also appointed Jenny Glover from Edelman as an account manager, Caroline Howley and Orlene Pereira as senior account executives and Abbas Omaar as a junior account executive.
Jones said: "Our consistent and rapid growth has only been possible due to the strong entrepreneurial spirit of our team and it’s an exciting milestone to be welcoming Hannah and additional incredible talent to continue this trajectory."
GCI Health is a WPP-owned company that specialises in healthcare PR including life sciences, consumer health, market access comms and strategic consulting.