Exhibit 31.1

                                 CERTIFICATION

I, William P. Horgan, certify that:

         1. I have  reviewed  this  quarterly  report  on Form  10-QSB  of Human
Pheromone Sciences, Inc.;

         2. Based on my knowledge,  this  quarterly  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 quarterly  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(s) 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 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,  including  its
consolidated subsidiaries,  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 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 changes 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;
and

         5. The registrant's  other certifying  officer(s) 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 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  control 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 11, 2004

/s/ WILLIAM P. HORGAN
- ------------------------------------
Chairman and Chief Executive Officer

                                       14