Eiger BioPharmaceuticals (EIGRQ) S-4 Registration of securities issued in business combination transactions

Exhibit 99.8

December 14, 2015

Celladon Corporation

12707 High Bluff Drive, Suite 200

San Diego, CA 92130

Consent to Reference in Proxy Statement/Prospectus/Information Statement

Celladon Corporation (the “Company”) is filing a Registration Statement on Form S-4 (Registration No. 333-                    ) with the Securities and Exchange Commission under the Securities Act of 1933, as amended (the “Securities Act”). In connection therewith, I hereby consent, pursuant to Rule 438 of the Securities Act, to the reference to me in the proxy statement/prospectus/information statement included in such registration statement as a future member of the board of directors of the Company.

Sincerely,

/s/ Nina Kjellson

Name: Nina Kjellson