Final answer:
Ryan Howard is the fictional proprietor of WUPHF.com from the television show 'The Office' in season 7, episode 9.
Step-by-step explanation:
The proprietor of WUPHF.com in S7E9 "WUPHF.com" from the television series 'The Office' is Ryan Howard, a fictional character on the show. Ryan, played by actor B.J. Novak, develops the concept of WUPHF.com, a website that allows users to send messages simultaneously across multiple platforms like email, text, chat, and social media.
Despite attracting some interest, Ryan faces challenges in maintaining the business, as depicted in the comedic narrative of the episode.