EXHIBIT 24.1


                                POWER OF ATTORNEY

         Know all by these presents, that the undersigned hereby constitutes and
appoints Todd M. Graham,  signing singly, as the  undersigned's  true and lawful
attorney-in-fact to:

         (a)      execute  for  and  on  behalf  of  the  undersigned,   in  the
                  undersigned's  capacity as an officer and/or  director of IRIS
                  International,  Inc.  (the  "Company"),  Forms  3,  4 and 5 in
                  accordance  with Section 16(a) of the Securities  Exchange Act
                  of 1934 and the rules thereunder;

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

         (c)      take any other  action of any type  whatsoever  in  connection
                  with   the   foregoing   which,   in  the   opinion   of  such
                  attorney-in-fact, may be of benefit to, in the 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 of the 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 attorney-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  Securities
Exchange Act of 1934.

         This Power of Attorney  shall remain in full force and effect until 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,
unless earlier revoked by the  undersigned in a signed writing  delivered to the
foregoing attorneys-in-fact.

         IN WITNESS  WHEREOF,  the undersigned has caused this Power of Attorney
to be executed as of this 16th day of June, 2008.


/s/ Stephen Wasserman
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Signature


Stephen Wasserman
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Print Name