Biotest Pharmaceuticals researches and manufactures biotherapeutic products with a specialization in immunology and liver transplant therapy. Biotest Pharmaceuticals is a leader in the collection of plasma proteins and is currently involved in the development of products in the field of Primary Immune Deficiency (PID) and development of therapies for liver transplantation. Biotest Pharmaceuticals was formed in 2007 as part of the acquisition of Nabi Biopharmaceuticals’ Biologics business unit which includes its plasmapheresis centers across the United States by Biotest AG. We employ approximately 500 people in the US. Biotest Pharmaceuticals is a subsidiary of Biotest AG, a German-based global provider of plasma proteins therapies and diagnostics that employs approximately 1,750 people worldwide.