With more than two decades of experience, Ridenhour has provided HR consulting services to a variety of organizations. She has been the owner of Kaleidoscope Group, LLC, an Annapolis-based human resources management firm. Prior to her time as a consultant, Ridenhour served as the human resources director for Barcoding, Inc. and the human resources manager for the Association of Fundraising Professionals (AFP).

As HRX Systems LLC's President, Susan Ridenhour, SHRM-SCP, SPHR, helps clients manage benefit administration; provides management consulting; oversee recruitment and staffing; directs policy creation and implementation; creates and implements training and development; manages employee relations; and directs position and compensation management.

Ridenhour holds a BA in communication from the University of North Carolina at Chapel Hill and earned a Certificate of Non-profit Management from Duke University.

Ridenhour is a member of the Society of Human Resources Management (SHRM) and is also active in her community where she is currently President-Elect of the Junior League of Annapolis, Inc.