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EXHIBIT 24.1
POWER OF ATTORNEY
The undersigned directors and officers of Antigenics Inc. (the "Company"),
hereby severally constitute and appoint Garo H. Armen our true and lawful
attorney-in-fact, with full power to him, in any and all capacities, to sign the
Company's Annual Report of Form 10-K for the year ended December 31, 2000 and
any and all amendments thereto, and to file the same, with exhibits thereto and
other documents in connection therewith, with the Securities and Exchange
Commission, hereby ratifying and confirming all that said attorney-in-fact may
do or cause to be done by virtue hereof.
SIGNATURE TITLE DATE
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/s/ Pramod Srivastava, Ph.D. Director January 30, 2001
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Pramod Srivastava, Ph.D.
/s/ Noubar Afeyan, Ph.D. Director January 30, 2001
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Noubar Afeyan, Ph.D.
/s/ Gamil de Chadarevian Vice Chairman of the Board of January 30, 2001
- ----------------------------------------- Directors, Executive Vice
Gamil de Chadarevian President, International
/s/ Tom Dechaene Director January 30, 2001
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Tom Dechaene
/s/ Donald Panoz Director January 30, 2001
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Donald Panoz
/s/ Martin Taylor Director January 30, 2001
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Martin Taylor
/s/ Sanford M. Litvak Director March 15, 2001
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Sanford M. Litvack