He earned a DBA degree from Louisiana Tech University and served on the faculty at McNeese State University in Lake Charles, La. He teaches in the area of production and operations management. His research interests include workplace diversity, change management, leadership and spirituality, and workplace-union relationships. Twigg previously served in the United States Navy's nuclear program, including extended tours aboard the U.S.S. Nimitz, U.S.S. Enterprise, USS South Carolina and USS California.