GRI Bio (GRI) S-4 Registration of securities issued in business combination transactions

Exhibit 99.4

December 16, 2022

Vallon Pharmaceuticals, Inc.

100 N. 18th Street, Suite 300

Philadelphia, PA 19103 

Consent to Reference in Registration Statement

Vallon Pharmaceuticals, Inc. (the “Company”) has filed a Registration Statement on Form S-4, as amended, with the Securities and Exchange Commission under the Securities Act of 1933, as amended (the “Securities Act”), as of the date hereof. 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/ David Szekeres

David Szekeres