Mr. David K. Holeman, CPA has been the Chief Financial Officer at Whitestone REIT since November 21, 2006 and served as its Vice President since August 6, 2007. Mr. Holeman serves as the Principal Accounting Officer at Whitestone REIT. He is responsible for the management of all aspects of financial affairs, including financial reporting with the Securities and Exchange Commission. Mr. Holeman served as Chief Financial Officer, Vice President and Secretary at Gexa Corporation since June 2004 and served as its Principal Accounting Officer. He served as the Chief Financial Officer at Hartman Management, L.P. Mr. Holeman served as Vice President and Chief Financial Officer at Gexa Energy for two years. He worked for the Texas-based Houston Cellular Telephone Company for seven years served as Chief Financial Officer and Controller. In addition, Mr. Holeman worked in several positions with HMSS, an alternative site health services provider, including controller and assistant controller. He has several years of financial experience in the telecommunication, healthcare and public accounting industries. Mr. Holeman started his career as an auditor for Deloitte and Touche. He is a Certified Public Accountant. Mr. Holeman received a BA Degree in Accounting from Abilene Christian University.