Arrowhead Research Corp.

R. Bruce Stewart is the founder, director, and Executive Chairman of the Board of Arrowhead Research. A life-long entrepreneur, Mr. Stewart has started and funded over eighteen companies and has taken several of them to the public markets. His capital market experience spans thirty years and he has raised substantial capital for both public and private companies. He is known for his success in building value for shareholders and innovating novel strategies in corporate finance. Prior to founding Arrowhead Research, Mr. Stewart founded Acacia Research Corporation which he took public in 1995. During Mr. Stewart’s eight-year tenure, Acacia built a portfolio of subsidiary companies operating in the areas of biotechnology, media technology licensing, direct marketing and early internet applications and reached a market cap of close to $1 billion. Mr. Stewart gained much of his knowledge and experience in corporate finance as President of Annandale Securities from 1977 to 1992, an investment banking firm and registered broker dealer. He structured innovative financing vehicles which have since become industry standard. Early in 2003, Mr. Stewart brought the sum of his knowledge and experience to the field of nanotechnology. In forming Arrowhead Research Corporation, he has combined his access to capital and his talent for finding early-stage technology with commercial potential with the belief that the path to the future goes through nanotech. In the short time Arrowhead has been operating, Mr. Stewart’s vision has resulted in a well-financed company partnered with some of the most respected minds in the field.

Paul McDonnel was appointed Chief Financial Officer of Arrowhead in January 2008. Mr. McDonnel held the position of Vice President, Finance and Accounting of the Company since 2006. He has served in a variety of executive-level finance, accounting and operational positions. From 2003 until 2005, Mr. McDonnel served as CEO and CFO of Quality Imaging Products, an Irvine, California-based remanufacturer of toner cartridges, which was sold in 2005 to Printing Technology, Inc. From 1999 to 2003, he was CFO at Instashred Security Services LLC, a provider of shredding services across North America, until its sale to Recall Secured Destruction Services, Inc., when he became Senior Operations Manager for California. During his 26-year career, he also served as the CFO of Reid Plastics, Inc. and Trojan Enterprises, Inc. and worked closely with several private equity groups in connection with merger and acquisition transactions. Mr. McDonnel is a CPA and began his career in the Los Angeles office of Arthur Andersen & Co. Mr. McDonnel received his masters degree in management accounting and his bachelors degree in accounting from Brigham Young University.

Thomas Haag, Ph.D., J.D. is the General Counsel and Chief Patent Officer of Arrowhead Research Corporation. Previously, Dr. Haag was in private practice in the Washington D.C. offices of Kenyon & Kenyon LLP and McDermott Will & Emery LLP. He has extensive experience in advising newly formed companies in establishing, developing and leveraging their patent portfolios. His expertise includes negotiating and drafting intellectual property licenses, conducting IP due diligence investigations, as well as coordinating IP and FDA regulatory strategies. He also has experience in patent litigation in the U.S. and UK, before the ITC and the European Patent Office. Dr. Haag received his B.S. in Biology and Ph.D. in Molecular, Cell & Developmental Biology from UCLA where he was an NIH Predoctoral Fellow in Genetic Mechanisms. He graduated from The George Washington University Law School with honors, receiving the ABA/BNA Award for Excellence in the Study of Intellectual Property Law. He is admitted to practice before the USPTO, in New York and in the District of Columbia. He is registered as California In-House Counsel.

Array

Dr. Mark Tilley is Chief Executive Officer of Unidym. He also serves as Vice President, Advanced Materials of Arrowhead Research Corporation (NASDAQ: ARWR). Prior to joining Arrowhead, he spent 9 years at DSM N.V.; a $12B Netherlands based specialty performance materials and life science company. Most recently, he served as Senior Investment Manager with DSM's Corporate Venturing Arm and served on the boards of CreAgri, Novomer, Van Technologies, Harland Medical Systems and InMat. Prior to his work with DSM Ventures, Dr. Tilley was Vice President of Research and Business Development for DSM Desotech, an operating division of DSM that is the global market leader in fiber optic coatings and stereo lithographic resins. During his tenure, he led marketing and technical teams, and built a nano-enabled flat panel displays materials business that was acquired by JSR in 2005. Dr. Tilley also co-founded Kriya Materials B.V., a venture capital backed nano-materials and coatings company based in the Netherlands.

Mark Davis, Ph.D. is the Warren and Katharine Schlinger Professor of Chemical Engineering and Executive Officer of Chemical Engineering at California Institute of Technology. The founder of Insert Therapeutics, Inc. and Calando Pharmaceuticals, Inc., Dr. Davis is a Member of the National Academy of Engineering and a recipient of numerous awards including the prestigious Alan T. Waterman Award, given by the National Science Foundation annually to only one scientist in the United States across all disciplines. Dr. Davis was the first engineer to win this award for his work in rationally designed materials. Dr. Davis earned his B.S., M.S. and Ph.D. degrees in Chemical Engineering and holds over 25 patents, has published more than 250 papers and has presented over 400 seminars throughout the world.

Charles P. McKenney has maintained a government affairs law practice in Pasadena, California since 1989, representing businesses and organizations in their relations with government regarding their obligations under state and local land use and trade practices laws. From 1973 through 1989, he served as Attorney for Corporate Government Affairs for Sears, Roebuck and Co., helping organize and carry out Sears' Western state and local government relations programs. Mr. McKenney has served two terms on the Pasadena, California City council, on several city boards and committees in Pasadena, including three city Charter Reform Task Forces.

Dr. Mauro Ferrari serves as a Professor & Director, Center for NanoMedicine, Brown Foundation Institute of Molecular Medicine, Chairman, Department of Biomedical Engineering, University of Texas Health Science Center at Houston, Professor of Experimental Therapeutics, University of Texas M.D. Anderson Cancer Center, Professor of Bioengineering, Rice University, and President of the Alliance for NanoHealth, Houston TX. Dr. Ferrari received a Ph.D. in Mechanical Engineering from U.C. Berkeley. Dr. Ferrari is a founder of biomedical nano/micro-technology in biomedical applications with more than 160 peer-reviewed journal articles, six books, more than 20 issued patents and about thirty more pending in the US and internationally. His career research and development portfolio totals over $50 million. Dr. Ferrari served as Special Expert on Nanotechnology at the National Cancer Institute in 2003-2005, providing leadership into the establishment of the NCI's Alliance for Nanotechnology.