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EXHIBIT 31.1

      CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT
                TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

     In connection  with the Quarterly  Report of Biomoda,  Inc., on Form 10-QSB
for the year ended  March 31,  2004 as filed with the  Securities  and  Exchange
Commission  on the date  hereof,  I,  John J  Cousins  as  President  and  Chief
Executive  Officer of the Company,  certify;  pursuant to and for purposes of 18
U.S.C. Section 1350 as adopted pursuant to Section 302 of the Sarbanes-Oxley Act
of 2002 that:

     1. I have reviewed this quarterly report on Form 10-QSB of Biomoda, 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 his quarterly
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 quarterly report;

     4. I am responsible for  establishing and maintaining  disclosure  controls
and  procedures  (as  defined in  Exchange  Act rule  13a-14 and 15d-14) for the
registrant and have:

          a. designed  such  disclosure  controls and  procedures to ensure that
     material information relating to the registrant, including its consolidated
     subsidiary  is  made  known  to  us  by  others   within  those   entities,
     particularly  during  the period in which  this  quarterly  report is being
     prepared;

          b. evaluated the effectiveness of the registrant's disclosure controls
     and procedures as of a date within 90 days prior to the filing date of this
     quarterly report (the "Evaluation Date"); and

          c.  presented  in this  Quarterly  report  our  conclusions  about the
     effectiveness  of the  disclosure  controls  and  procedures  based  on our
     evaluation as of the Evaluation Date;

     5.  I  have  disclosed,  based  on  our  most  recent  evaluation;  to  the
registrant's  auditors  and the  registrant's  board of  directors  (or  persons
performing the equivalent function);

          a. all significant deficiencies in the design or operation of internal
     controls which could adversely affect the  registrant's  ability to record,
     process,  summarize and report  financial data and have  identified for the
     registrant's auditors any material weakness in internal controls; and

          b. any fraud,  whether or not material,  that  involves  management or
     other employees who have a significant  role in the  registrant's  internal
     controls; and

     6. I have  indicated  in this  Quarterly  report  whether or not there were
significant  changes  in  internal  controls  or in  other  factors  that  could
significantly affect internal controls subsequent to the date of our most recent
evaluation,   including  any  corrective  actions  with  regard  to  significant
deficiencies and material weaknesses.

     Dated: May 17, 2004

     BY:/S/John J. Cousins
     ------------------------------------
     John J Cousins
     President & Chief Executive Officer
     (Principal Executive Officer)