Ann Tsukamoto, Ph.D., spoke at the Scientific Writer’s Seminar, a workshop presented on September 17, 2008 at CIRM headquarters in San Francisco. Tsukamoto is the Chief Operating Officer at Stem Cells, Inc., a Palo Alto based company that, at the time of this video recording, had begun a stem cell based human clinical trial for the treatment of Batten disease. Tsukamoto reviewed the process of getting the therapy approved for the clinical trial.