EXHIBIT 32.1


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


In connection with the filing by Greenbriar  Corporation  (the "Company") of the
Quarterly  Report  on Form  10-Q  for the  period  ending  June  30,  2003  (the
"Report"),  I, Gene S. Bertcher,  Chief  Executive  Officer and Chief  Financial
Officer of the Company, certify, pursuant to 18 U.S.C. 1350, as adopted pursuant
to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1. The Report fully complies with the requirements of section 13(a) and15(d) of
the Securities Exchange Act of 1934, and

2. The  information  contained in the Report  fairly  presents,  in all material
respects, the financial condition and results of operation of Company.



                                  /S/   Gene S. Bertcher
                                  -----------------------
                                  Chief Executive Officer
                                  Chief Financial Officer
                                  August 19, 2002