Exhibit 31.1
CERTIFICATIONS
I, Katrine S. Bosley, certify that:
1. | I have reviewed this Amendment No. 1 on Form 10-Q/A of Editas Medicine, 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. |
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Date: October 23, 2018 | By: | /s/ Katrine S. Bosley |
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| Katrine S. Bosley |
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| Chief Executive Officer |
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| (Principal Executive Officer) |