                                                                    Exhibit 31.1

                                  Certification
                 Pursuant to Rule 13a-14(a) of the Exchange Act


      I, Frank Mandelbaum, certify that:

1. I have reviewed this Form 10-Q of Intelli-Check, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a
material fact or omit to state a material fact  necessary to make the statements
made, in light of the  circumstances  under which such statements were made, not
misleading with respect to the period covered by this report;

3.  Based  on my  knowledge,  the  financial  statements,  and  other  financial
information included in this report, fairly present in all material respects the
financial  condition,  results of operations and cash flows of the registrant as
of, and for, the periods presented in this report;

4.  The  registrant's  other  certifying  officer  and  I  are  responsible  for
establishing and maintaining  disclosure  controls and procedures (as defined in
Exchange Act Rules 13a-15(e) and 15d-15(e)) for the registrant and we have:

      (a)  Designed  such  disclosure  controls and  procedures,  or caused such
disclosure  controls and  procedures to be designed  under our  supervision,  to
ensure that material  information relating to the registrant is made known to us
by others within those  entities,  particularly  during the period in which this
report is being prepared;

      (b) Evaluated the  effectiveness of the registrant's  disclosure  controls
and  procedures  and  presented  in  this  report  our  conclusions   about  the
effectiveness  of the disclosure  controls and procedures,  as of the end of the
period covered by this report based on such evaluation; and

      (c)  Disclosed  in this  report  any change in the  registrant's  internal
control over financial  reporting  that occurred  during the  registrant's  most
recent fiscal quarter that has materially  affected,  or is reasonably likely to
materially affect, the registrant's internal control over financial reporting.

5. The registrant's other certifying officer and I have disclosed,  based on our
most recent  evaluation of internal  control over  financial  reporting,  to the
registrant's  auditors  and the audit  committee  of the  registrant's  board of
directors (or persons performing the equivalent function):

      (a) All significant  deficiencies and material weaknesses in the design or
operation of internal  controls over  financial  reporting  which are reasonably
likely  to  adversely  affect  the  registrant's  ability  to  record,  process,
summarize and report financial information; and

      (b) Any fraud, whether or not material,  that involves management or other
employees who have a significant role in the registrant's  internal control over
financial reporting.

Date: May 13, 2005

                                               /s/ Frank Mandelbaum
                                               ---------------------------------
                                               Name:    Frank Mandelbaum
                                               Title:   Chief Executive Officer
