Barry E. Toyonaga

Traversa Therapeutics, Inc. is a biopharmaceutical company engaged in the discovery, development and commercialization of RNAi Delivery Technologies. The Company strives to rapidly advance short interfering RNA (siRNA) platform delivery technologies for use by RNAi therapeutic companies in targeting a wide variety of acute, chronic and infectious human diseases. Traversa is focused on the optimization of this platform delivery technology, as well as advancement of its own therapeutic programs for the treatment of Leukemia and Glioblastoma. The Company was founded in La Jolla, California in mid-2006, and has secured worldwide exclusive licenses to intellectual property developed during the past five years by Steven F. Dowdy, Ph.D., and his research group at the Howard Hughes Medical Institute and the University of California San Diego relating to siRNA delivery technology and induction of RNA Interference (RNAi).

Ventana Capital Management LLC (Ventana Capital) is a venture capital firm founded in 1984 by Tom O. Gephart. The firm is headquartered in Rancho Santa Margarita, California.

Protein Design Labs, Inc. is a biopharmaceutical company focused on the research, development and commercialization of novel therapies for inflammation and autoimmune diseases, acute cardiac conditions and cancer. PDL markets several biopharmaceutical products in the United States through its hospital sales force and wholly-owned subsidiary, ESP Pharma, Inc. As a company of development of humanized antibodies, It has licensed its patents to numerous pharmaceutical and biotechnology companies, some of which are now paying royalties on net sales of licensed products.