POWER OF ATTORNEY

      The  undersigned  hereby  appoints  each  of  Dolly  A.  Vance and Dean
Schorno,signing individually,the undersigned's true and lawful attorneys-in-fact
and agents to:

      (1)   execute  for  and on behalf of the undersigned, an officer, director
            or  holder  of  10%  or  more of a registered class of securities of
            Rigel  Pharmaceuticals,  Inc.(the  "Company"),Forms  3,  4  and 5 in
            accordance  with  Section  16  (a) of the Securities Exchange Act of
            1934, as amended (the "Exchange Act") and the rules thereunder;

      (2)   do  and perform any and all acts for an on behalf of the undersigned
            that may be necessary or desirable to complete and execute such Form
            3, 4 or 5, complete and execute any amendment or amendments thereto,
            and  timely  file  such  forms  or amendments with the United States
            Securities and Exchange Commission and any stock exchange or similar
            authority; and

      (3)   take  any  other  action of any nature whatsoever in connection with
            the foregoing which, in the opinion of such attorney-in-fact, may be
            of  benefit,  in  the  best interest of, or legally required by, the
            undersigned, it being understood that the documents executed by such
            attorney-in-fact on behalf of the undersigned pursuant to this Power
            of  Attorney  shall be in such form and shall contain such terms and
            conditions   as   such   attorney-in-fact   may   approve   in  such
            attorney-in-fact's discretion.

      The  undersigned  hereby  grants to each such attorney- in-fact full power
and  authority  to  do  and  perform  any  and  every  act  and thing whatsoever
requisite,  necessary  or  proper  to  be done in the exercise of any rights and
powers  herein  granted, as fully to all intents and purposes as the undersigned
might  or  could  do  if  personally present, with full power of substitution or
revocation,  hereby  ratifying and confirming all that such attorney-in-fact, or
such  attorneys-in-fact's  substitute or substitutes, shall lawfully do or cause
to  be done by virtue of this power of attorney and the rights and powers herein
granted.  The  undersigned acknowledges that the foregoing attorneys-in-fact, in
serving  in  such  capacity at the request of the undersigned, are not assuming,
nor is the Company assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Exchange Act.

      This  Power  of  Attorney  shall remain in full force and effect until the
earliest  to occur of (a) the undersigned is no longer required to file Forms 3,
4  and  5  with  respect  to  the  undersigned's holdings of and transactions in
securities  issued by the Company, (b) revocation by the undersigned in a signed
writing   delivered  to  the  foregoing  attorney-in  fact  or  (c)  as  to  any
attorneys-in-fact  individually,  until such attorney-in-fact shall no longer be
employed by the Company.

      IN  WITNESS  WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of this 1st day of April, 2019.

                                       /s/ Jane Wasman
                                       -----------------------------------------
                                           JANE WASMAN