(FORT WORTH, TX) — Michael E. Steadman, Group President and COO of DFB Branded Pharmaceuticals, a segment of Fort Worth, Texas-based DFB Pharmaceuticals, Inc., has announced that Perry M. Christensen has joined the company as Vice President, Human Resources for DFB Branded Pharmaceuticals. A multilingual, global HR executive, Mr. Christensen was most recently Director of Human Resources for Celanese Corporation, a chemical products company headquartered in Dallas.