Northwest Biotherapeutics, a biotechnology company developing DCVax personalized immune therapies for solid tumor cancers, has expanded its senior management team with the addition of Ms. Jean M. Davis as Chief Financial Officer, Chief Accounting Officer, and interim Chief Information Officer.    Davis comes to NW Bio from BDO USA LLP, where she was a Risk Advisory Senior Manager.  She is a Certified Public Accountant, Certified Sarbanes-Oxley Expert, Certified Internal Auditor, and Certified ...