Exhibit 31.2
Certification of Principal Executive Officer
Pursuant to Section 302 of the
Sarbanes-Oxley Act of 2002
I, John E. Yetter, certify that:
1. I have reviewed this amendment no. 1 to the annual report on Form 10-K of Derma Sciences, Inc. (the “Registrant”);
2. Based on my knowledge, this annual 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 annual report;
| Dated: April 2, 2012 | /s/ John E. Yetter | |
| John E. Yetter, CPA | ||
| Vice President and Chief Financial Officer | ||
| (Principal Financial Officer) |
