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EXHIBIT 24
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature
appears below hereby constitutes and appoints Barbara A. Cannon and Paul R.
Johnson such person's true and lawful attorneys-in-fact and agents, with full
power of substitution and resubstitution, for such person and in such person's
name, place and stead, in any and all capacities to execute a Registration
Statement on Form S-8 to be filed under the Securities Act of 1933, as amended,
for the registration of 430,000 shares of Common Stock of Celeris Corporation
under its Employee Stock Purchase Plans, and any and all post-effective
amendments thereto, and to file the same, with all exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact and agents full power and authority to do
and perform to all intents and purposes as he might or could do in person,
hereby ratifying and confirming all that said attorneys-in-fact and agents, or
their substitutes, may lawfully do or cause to be done by virtue hereof.
Dated: June 5, 2000
<TABLE>
<CAPTION>
Signature Title
--------- -----
<S> <C>
/s/ John M. Nehra Chairman, Board of Directors
---------------------------------
John M. Nehra
/s/ W. Hudson Connery, Jr. Director
---------------------------------
W. Hudson Connery, Jr.
/s/ Richard B. Fontaine Director
---------------------------------
Richard B. Fontaine
/s/ Peter T. Garahan Director
---------------------------------
Peter T. Garahan
/s/ Andre G. Pernet, Ph.D. Director
---------------------------------
Andre G. Pernet, Ph.D.
</TABLE>
