Dr Joydeep Basu is Senior Scientist, Bioprocess R&D, Tengion Inc., in Winston-Salem, North Carolina, USA. He has over 10 years' experience in the creation, research and development of cell therapy, gene therapy, regenerative medicine and tissue engineered products within entrepreneurial biotechnology companies including Athersys Inc (Cleveland, USA) and Tengion Inc (North Carolina, USA). Dr. Basu is a recognized global authority on the development of non-integrative gene therapy products and has published and presented broadly within the field of regenerative medicine/tissue engineering. He is currently focused on driving development of Tengion's tubular organ regeneration platform technology for applications beyond regeneration of bladder.Dr John W. Ludlow is Senior Director, Process Research and Assay Development, Tengion Inc., in Winston-Salem, North Carolina, USA. With experiences as Director of the Cell Therapy Program at Incara Pharmaceuticals, and Senior Director of the Cell Therapy Program at Vesta Therapeutics (North Carolina, USA), he has achieved demonstrable successes in managing and directing therapeutic area-specific research and regenerative medicine and tissue engineering product development. Responsibilities have included bringing new products into bioprocessing research and development, taking new products to demonstration in animal models, GLP and non-GLP production, and initiation of human clinical trial sites. Dr. Ludlow has previous held faculty memberships at the Rochester Institute of Technology and the University of Rochester Cancer Center, with authorship on over 80 scientific publications.