<PAGE>
EXHIBIT 24.5
Power of Attorney
The undersigned, a Director of Technology Solutions Company, a Delaware
corporation (the "Company"), does hereby constitute and appoint Paul R. Peterson
and Timothy P. Dimond, and each of them severally, as his or her true and lawful
attorney-in-fact and agent, with full power and authority to execute in the name
and on behalf of the undersigned as such Director, a Registration Statement on
Form S-8 under the Securities Act of 1933, as amended (the "Securities Act"),
with respect to the registration under the Securities Act of the offer and sale
of 15,243,113 shares of the Company's Common Stock, par value $.01, and the
associated Preferred Stock Purchase Rights, issuable in accordance with the
Technology Solutions Company 1995 Employee Stock Purchase Plan and the
Technology Solutions Company 1996 Stock Incentive Plan, and to execute any and
all amendments to such Registration Statement, whether filed prior or subsequent
to the time such Registration Statement becomes effective, and to file the same,
with all exhibits thereto and other documents in connection therewith, with the
Securities and Exchange Commission. The undersigned hereby grants unto each
such attorney-in-fact and agent, full power of substitution and revocation in
the premises and hereby ratifies and confirms all that each such attorney-in-
fact and agent, or his substitute or substitutes, may do or cause to be done by
virtue of these presents.
Dated this 23rd day of June, 2000.
/s/ Michael R. Zucchini
-----------------------------------------
Michael R. Zucchini
