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  December 31, 2003, as filed with the Securities
and Exchange  Commission  on February  27, 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
February 27, 2004


/s/ Loren M. Starr
Principal Financial Officer of Janus Adviser
February 27, 2004