Exhibit 99.3
Consent OF John ALEXANDER
As required by Rule 438 under the Securities Act of 1933, as amended, the undersigned hereby consents to being named as a Director Nominee in the Registration Statement on Form S-1 of Constellation Alpha Capital Corp. (the “Company”), originally filed on May 18, 2017, and any and all amendments thereto, registering securities for issuance in the Company’s initial public offering.
Dated: June 8, 2017
| /s/ John Alexander | |
| Dr. John Alexander |
