According to EO #13526 signed by Barry Sotero the President can:

“ Sec. 3.5. Mandatory Declassification Review. (a) Except as provided in paragraph (b) of this section, all information classified under this order or predecessor orders shall be subject to a review for declassification by the originating agency if:…

b) Information originated by the incumbent President or the incumbent Vice President; the incumbent President’s White House Staff or the incumbent Vice President’s Staff; committees, commissions, or boards appointed by the incumbent President; or other entities within the Executive Office of the President that solely advise and assist the incumbent President is exempted from the provisions of paragraph (a) of this section.”