This offer letter sets forth the full and complete agreement between you and the Company regarding your employment with the Company.  This letter, along with the enclosed Employee Proprietary Information and Inventions Agreement, the Authorization and Release Form for Background Check between you and the Company and the Change in Control and Severance Agreement set forth the terms of your employment with the Company and any additional or contrary terms, representations, offers or agreements, whether written or oral, that may have been made to you are hereby revoked and superseded in their entirety by this offer. This letter may not be modified or amended except by a written agreement, signed by the Chief Executive Officer of the Company and by you.