CORE - Comprehensive Occupational Resources

Dr. William Nassetta is CEO and a Partner in CORE, and also serves as the Medical Director.  Dr. Nassetta is Board Certified in Internal Medicine, and Board Eligible in Occupational Medicine, with a Masters Degree in Public Health (MPH) in the specialty of occupational and environmental medicine.  Dr. Nassetta is licensed in the States of Louisiana, Mississippi, Texas, Colorado, New Mexico, Arkansas, Oklahoma, New York, Tennessee, and Florida.  He has served as a Medical Director and Deputy Medical Director for NASA, as well as Medical Director for ExxonMobil’s Baton Rouge Refinery and Chemical Complex.  Dr. Nassetta has also worked closely with the Occupational Safety and Health Administration (OSHA) in Washington, D.C and the Public Health Service in Bethesda, Maryland.  Dr. Nassetta currently serves as Medical Director for several other organizations, including Occidental Chemical and Entergy Nuclear Operations.  Dr. Nassetta is primarily responsible for centralized medical review and providing services as Consulting Medical Director.

Mr. Major Mittendorf, PA-C, is Co-Chief Operating Officer and a Partner in CORE, and is responsible for Business operations. Mr. Mittendorf is also a member of CORE’s Management Team.  Mr. Mittendorf is a licensed Physician’s Assistant in the States of Louisiana and Tennessee, and has extensive experience in occupational medicine. 

Ron Torres, PA-C, is Co-Chief Operating Officer for CORE and a Partner in CORE, and is responsible for Business Operations.  Mr. Torres is a licensed Physician’s Assistant in the States of Louisiana, Tennessee and Texas, and has extensive experience in occupational medicine.

Mr. Johnathan Clavier is CORE’s Manager of Onsite Operations. He has extensive experience in facility management and organization.

Mrs. Tara Scott serves as CORE’s Director of Accounting and Human Resources.  As Director of Accounting, Mrs. Scott oversees the general accounting and financial reporting functions of the organization.  As Director of Human Resources, Mrs. Scott plans, directs, and coordinates human resource management activities, maintaining functions such as employee compensation, recruitment, personnel policies, and regulatory compliance. 

Mr. Chad V. Scott, PE is CORE’s Information Technology/Environmental, Health & Safety Director and is the Managing Partner for CORE Health Networks, our data management organization.  Mr. Scott is a licensed Chemical Engineer in the State of Louisiana, and has extensive experience in software implementation and data management services.