Hunt joins from Intercontinental Hotels Group (IHG) where she worked for 12 years.
During her time at IHG, Hunt was a key account manager for nearly six years.
At Ellis Salsby, she will be responsible for developing and managing the direction of business and account management for the agency.
The agency’s managing director Ellis Salsby said: "We are delighted that Stephanie has joined the management team to help manage our existing clients, develop more opportunities and support our strategic plans for the future."
Hunt’s appointment is in addition Joanne Taylor joining the team as events executive and Debbie Linney being promoted to senior events executive.