Exhibit 99.3
CONSENT TO BE NAMEDASA DIRECTOR NOMINEE
In connection with the filing by Trajectory Alpha Acquisition Corp. of the Registration Statement on Form S-1 with the Securities and Exchange Commission under the Securities Act of 1933, as amended (the “Securities Act”), I hereby consent, pursuant to Rule 438 of the Securities Act, to being named as a nominee to the board of directors of Trajectory Alpha Acquisition Corp. in the Registration Statement and any and all amendments and supplements thereto. I also consent to the filing of this consent as an exhibit to such Registration Statement and any amendments thereto.
Dated: February 26, 2021
| By: | /s/ Elisabeth H. DeMarse | |
| Name: Elisabeth H. DeMarse |
