Eileen Dehling has extensive experience in billing and invoicing within various companies, notably serving as a Billing Specialist at Campus Management Corp since August 2014. Prior to this role, Eileen held multiple positions as Advertiser Invoicing Manager at Selling Source LLC, World Avenue, Q Interactive, and TheUseful.com from 2004 to 2014. Additionally, Eileen worked as a Billing Supervisor at Zimmerman Advertising from 1994 to 2004, demonstrating a strong background in billing processes and management within the advertising and technology sectors.