Fenn, who joined Aspect in 2006, will lead the agency's production team. She has worked with clients including Bayer, Capita, Camelot and Lloyds Banking Group.
Recently, Fenn produced and managed a two-day product launch for Psion in Shanghai, China.
Fenn's previous role within Aspect was as senior producer.
Aspect’s executive producer Lee Eld said: "Pam’s appointment is in light of her continued commitment to the company and her obvious and proven trust and confidence with clients and colleagues alike. Her value to the company is immeasurable."
Aspect recently reported a 55% boost in turnover.