Albert F. Hummel has been our director since March 1986, except for a period from July 1991 to October 1991. Mr. Hummel has been President of Pentech Pharmaceuticals, Inc., a development stage pharmaceutical company, since July 1998. Since November 2005, Mr. Hummel has been a director for Obagi Medical Products, Inc., a specialty pharmaceutical company focused on the aesthetic and therapeutic skin health markets. Additionally, Mr. Hummel served as a partner in Affordable Residential Communities, a property management firm, from January 1994 through March 2006.