Exhibit 31.3
CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO
RULES13a-14(a) AND15d-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934,
AS ADOPTED SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
I, Peter Maag, certify that:
1. | I have reviewed this Amendment No. 1 to Annual Report on Form10-K/A of CareDx, Inc.; and |
2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. |
Date: May 1, 2017 | By: | /s/ Peter Maag | ||||
Peter Maag | ||||||
President and Chief Executive Officer | ||||||
(Principal Executive Officer) |