Cheri Manning is the president and co-owner of Triad Interactive. She is the author of the Microsoft Excel and Access content for the Skills Approach series and SIMnet. She has been authoring instructional content for these applications for more than 12 years. Cheri began her career as an Aerospace Education Specialist with the Education Division of the National Aeronautics and Space Administration (NASA), where she produced materials for K-12 instructors and students. Prior to founding Triad, Cheri was a project manager with Compact Publishing, where she managed the development of McGraw-Hill's Multimedia MBA CD-ROM series.