Our Leaders

In Memoriam

MARVIN DOYAL

Sept 30, 1940 – Feb 23, 2025

Mr. Marvin Doyal, a long-time leader, mentor, and friend to many people engaged in public service to Florida, the nation, and beyond, passed away on February 23, 2025. The Integrity Group was highly privileged to have him on our team for the last eight years of his service to government accountability. His many contributions to all who knew, worked with, and were served by his devotion to excellence will never be forgotten—his professionalism, leadership, integrity, and love for all are legendary.

Executive Leadership Team

GARY J. YATES
President & CEO

JOHN CZERNIS
Executive Vice President,
Operations & Compliance

JEREMY TIDWELL
Executive Vice President,
Technology

LISA LAGERGREN
Executive Vice President,
Finance

DAVID GILLESPIE
Executive Vice President,
Program Development

Senior Advisors

JAMES T. MOORE
Senior Advisor

ERIC W. MILLER
Senior Advisor

STEVE CASEY
Senior Advisor

SHERIFF EMERY GAINEY, RET.
Senior Advisor

Professional Services Leadership Team

OLIVIA SCHMIDT
Senior Vice President,
Program Services

DARRYL COX
Senior Vice President,
Program Services

LAUREN SCOTT
Senior Vice President,
Program Services

AMANDA COX
General Counsel

SHEILA MCGRAW
Senior Program Director

ROBERT “BOB” STINEBAUGH
Senior Program Director