Karen A. Walker

Ms. Walker, Chief Financial Officer and Vice President of Finance and Administration, has been with the co.
since 1993.
She joined as Corporate Controller in 1993 and she became Vice President of Finance and Administration in August 1998.
In April 1999, she was promoted to the position of CFO.
As CFO, Ms. Walker is responsible for overseeing finance, accounting, human resources, investor relations and facilities.
She also played an integral part in guiding us through IPO and follow-on offering.
Prior to joining us, Ms. Walker spent over six years at Ernst & Young, LLP, a public accounting firm, where she earned her C.P.A.
and was a Manager in E&Y's Entrepreneurial Services Group.
Ms. Walker holds a B.S.
degree in Accounting from Boston College.