EX-31.1 4 ex-31d1.htm EX-31.1 edit_Ex31_1

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.

 

 

 

Date: October 23, 2018

By:

/s/ Katrine S. Bosley

 

 

Katrine S. Bosley

 

 

Chief Executive Officer

 

 

(Principal Executive Officer)