Gregory A. Gast
Founder and Leadership Advisor,
Gregory A. Gast SPHR, CMC® is a leadership advisor, organizational consultant, entrepreneur and HR expert who is founder and current/former president of several multi-million dollar professional services firms. Greg founded his current firm Thirdstage Consulting to focus his work on transforming organizational life through the development of values-based leaders and organizations.
Greg’s initial business venture was the founding of Granatt HR, a Human Resources management and consulting firm in 1998, to which he added an employee insurance benefits agency in 2004. In 2006, Granatt HR partnered with Professional Payroll Solutions to form PROXUS LLC, a full-service payroll and human resources management firm. In 2012 he sold his business interest and became Senior Advisor to the firm.
Greg is the National Chair of Professional Learning for the Institute of Management Consultants and serves on the IMC Colorado Board. Greg's contributions to the field of Human Resources were recognized by his selection as HR Consultant of the Year in the Philadelphia region. His credentials include certification as Certified Management Consultant (CMC®), Senior Professional in Human Resources (SPHR), a Master’s degree in Human Services from John Carroll University, a graduate level certificate in Christian Studies from Fuller Theological Seminary and a Bachelor’s Degree from the College of Wooster.