EXHIBIT 31.5
I, Garry Rogerson, certify that:
| 1. | | I have reviewed this Quarterly Report on Form 10-Q for the period ended March 31, 2011, of Advanced Energy Industries, Inc.; |
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| 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: November 1, 2011
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| | /s/ Garry Rogerson | |
| | Garry Rogerson | |
| | Chief Executive Officer | |
A signed original of this written statement required by Rule 13a-14(a)/15d-14(a), or other document authenticating, acknowledging, or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Rule 13a-14(a)/15d-14(a), has been provided to Advanced Energy and will be retained by Advanced Energy and furnished to the Securities and Exchange Commission or its staff upon request.
