SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)--Tobira Therapeutics, Inc. announces the appointment of Eric Lefebvre, M.D., as Chief Medical Officer, and Martine Kraus, Ph.D., as Vice President, Regulatory Affairs. Both appointments are effective immediately. Additionally, the company, which has been headquartered in New Jersey, is consolidating all key leadership, clinical, regulatory, manufacturing and project management operations in South San Francisco, California.