Exhibit 31.1
Certification Pursuant to Rules 13a-14(a) and 15d-14(a) as
Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
I, David Doft, certify that:
| 1. | I have reviewed this amendment to the annual report on Form 10-K for the year ended December 31, 2018 of MDC Partners 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: | March 18, 2019 | /s/ David Doft | |
| By: | David Doft | ||
| Title: | Chief Financial Officer and member of the CEO Executive Committee | ||
