The following certification is provided by the undersigned Principal Executive
Officer and Principal Financial Officer of Registrant on the basis of such
officers' knowledge and belief for the sole purpose of complying with 18 U.S.C.
Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of
2002.

                                 Certification

In connection with the Annual Report of Janus Adviser (the "Registrant") on
Form N-CSR for the period ended  February 29, 2004, as filed with the Securities
and Exchange  Commission  on April  29, 2004 (the  "Report"),  we,  Girard C.
Miller,  Principal  Executive  Officer of the  Registrant,  and Loren M.  Starr,
Principal  Financial  Officer of the Registrant  hereby certify,  pursuant to 18
U.S.C.  Section 1350, as adopted  pursuant to Section 906 of the  Sarbanes-Oxley
Act of 2002, that:

(1)  The Report fully complies with the  requirements of Sections 13(a) or 15(d)
     of the Securities Exchange Act of 1934, as amended; and

(2)  The information contained in the Report fairly presents, in all material
     respects, the financial condition and results of operations of the
     Registrant.



/s/ Girard C. Miller
Principal Executive Officer of Janus Adviser
April 29, 2004


/s/ Loren M. Starr
Principal Financial Officer of Janus Adviser
April 29, 2004