Exhibit 31.1
CERTIFICATION
I, Scott N. Greenberg, certify that:
| 1. | I have reviewed this annualreport on Form10-K/A of GP Strategies Corporation; |
| 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 thisreport; |
Date: April 30, 2013
| /s/ Scott N. Greenberg | |
| Scott N. Greenberg | |
| Chief Executive Officer |
