POWER OF ATTORNEY



KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes
and appoints each of Mark R. Baker and Robert A. McKinney, or either of them
signing singly, and with full power of substitution, the undersigned's true and
lawful attorney-in-fact to:

prepare, execute and submit to the U.S. Securities and
Exchange Commission (SEC), in the undersigned's name
and on the undersigned's behalf, a Form ID, amendments
thereto and any other documents necessary or appropriate
to obtain codes and passwords enabling the undersigned to
make electronic filings with the SEC of reports required
by Section 16(a) of the Securities Exchange Act of 1934
(Exchange Act) and the rules and regulations promulgated
thereunder as a result of the undersigned's capacity as an
officer and/or director of, and/or ownership of and/or
transactions in securities of, Progenics Pharmaceuticals,
Inc. (the Company);

prepare, execute and submit to or file with the SEC and
any stock exchange or other authority, for and on behalf
of the undersigned, Forms 3, 4, and 5 in accordance with
said Section, rules and regulations, and do and perform
any and all other acts for and on behalf of the
undersigned which may be necessary or desirable in
connection therewith; and

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, or in the best
interest or legally required of, the undersigned, the
documents executed by such attorney-in-fact on behalf of
the undersigned pursuant to this Power of Attorney being
in such form and containing 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 neither the foregoing attorneys-in-fact, in serving in such
capacity at the request of the undersigned, nor the Company are
assuming any of the undersigned's responsibilities to comply
with the Exchange Act or any rule or regulation promulgated
thereunder.

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 or their substitute or substitutes.

IN WITNESS WHEREOF, the undersigned has executed this
Power of Attorney this 4th day of January, 2010.



/s/ William Olson

Signature

William Olson

Print Name


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