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Hardenbergh Group

Leadership Team

At Hardenbergh Group, we are an experienced and dedicated team, driven to make a lasting, positive impact on healthcare organizations.


What can we help you accomplish?

Our team and network of professionals are ready to assist.

Contact Us

Daniel HartDaniel HartChief Executive Officer
Donna DelevieDonna DeleviePresident, Professional Staffing
Sharon BeckwithSharon BeckwithPresident, Peer Review & Clinical Quality Consulting
Mark A. Smith, MD, MBA, FACSMark A. Smith, MD, MBA, FACSChief Medical Officer
Donald Lefkowits, MD, FACEPDonald Lefkowits, MD, FACEPExecutive Medical Director
Susan ChenSusan ChenSenior Vice President, Finance
Earle GregoryEarle GregorySenior Vice President, Sales & Marketing
Ryan TerretteRyan TerretteSenior Vice President, Corporate Development
Lisa Velasco, MSM, LPTA, FMSP, CPMSM, CPCSLisa Velasco, MSM, LPTA, FMSP, CPMSM, CPCSSenior Director, Professional Services
Tammy West, MHA/ED, CPMSM, CPCSTammy West, MHA/ED, CPMSM, CPCSSenior Director, Professional Services
Sara Cameron, CPMSM, CPCSSara Cameron, CPMSM, CPCSDirector, Professional Services
Stephanie GratzerStephanie GratzerSenior Director, Client Services, External Peer Review
Kathy WendtKathy WendtDirector, Marketing
Kira PerryKira PerryDirector, People & Culture