John Gillen


John is a Human Resources functional expert with experience in both HR management consulting and internal HR environments. He has broad and deep HR technical knowledge across all areas. Clients view John as a hands-on practitioner with a strategic mindset who has successfully transformed their HR functions into cost-effective providers of HR services and valued business partners.

His areas of expertise include: 

  • HRIS/Payroll Implementations
  • HR Optimization/HR Transformation
  • Compensation and Benefits
  • HR Operations/HR Project Management
  • Employee and Labor Relations
  • HR Vendor Management

Prior to joining Crothers Consulting, John led global and domestic implementation project teams for Oracle (PeopleSoft) HR and multiple payroll systems across different companies, countries and industries. He led implementation of ADP’s Workforce Now (HR/B) HRIS technology platform for a private equity-financed start-up that resulted in an 80% reduction of HR transaction costs. In another ADP implementation, he developed all of the HR process flows and associated desktop procedures for an ADP Vantage HCM implementation at a United States federal government-sponsored enterprise (GSE).

John has a Bachelor of Arts degree from Williams College in Williamstown, Massachusetts. He is a certified Senior Professional in Human Resources (SPHR) from the Society for Human Resource Management and is a Senior Certified Professional (SHRM-SCP).

Outside of work hours John enjoys spending time with his wife and twin daughters.

Senior Consultant &
HRIS Expert
  • Senior Professional in Human Resources (SPHR)
  • SHRM-Senior Certified Professional