People

The culture at CONSTANT is an open environment that encourages innovation, dedication and camaraderie. Our progressive thinking and ongoing commitment to the safety and security of our homeland are what separate us from the rest.

Michelle Constant, MBA
CEO & Founder

Scott MacKay
General Manager & Subject Matter Expert

Jim Sims, MURP
Senior Consultant & Subject Matter Expert

Jason Ferguson, MPH
Senior Analyst

Janlia Riley
Operational Analyst

Sloan Grissom
Analyst

Ryan Dufour
Graduate Intern

Chris Riccardi, CHSP, CHEP
Healthcare Preparedness
Subject Matter Expert

Hal Kempfer
Counterterrorism
Subject Matter Expert

Ellis M. Stanley, Sr.
Emergency Management, Homeland Security and Major Event Planning

Keith Harrison, MA
Emergency Management
Subject Matter Expert

Lee Rosenberg, CEM
Emergency Management
Subject Matter Expert

Elaine Jennings, MA
Homeland Security and Public Safety
Subject Matter Expert

David Mathe, MA, MEP 
Emergency Management
Subject Matter Expert

Kim Estes, MBA
Crisis Management/Emergency Response & Communication
Subject Matter Expert

John Groblewski, CRNA
Emergency Medicine
Subject Matter Expert

Dave Cooper, MS
Water & Environmental Science
Subject Matter Expert