Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated March 10, 2014 relating to the financial statements of Cellular Dynamics International, Inc. appearing in the Annual Report on Form 10-K/A of Cellular Dynamics International, Inc. for the year ended December 31, 2013, and to the reference to us under the heading "Experts" in the Prospectus, which is part of this Registration Statement.
/s/ Deloitte & Touche LLP
Chicago, Illinois
September 2, 2014