Exhibit 31.3
CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
I, Thomas H. Pike, certify that:
| 1. | I have reviewed this annual report on Form 10-K/A (Amendment No. 1) of Quintiles Transnational Holdings 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: February 21, 2014 | /s/ Thomas H. Pike | |||
| Thomas H. Pike | ||||
| Chief Executive Officer | ||||
| (Principal Executive Officer) |
