Exhibit 99.CERT

                                 CERTIFICATIONS

I, Walter G. Sall, certify that:

1.       I have reviewed this report on Form N-CSR of The Gateway Trust;

2.       Based on my knowledge, this report does not contain any untrue
statement of a material fact or omit to state a material fact necessary to make
the statements made, in light of the circumstances under which such statements
were made, not misleading with respect to the period covered by this report; and

3.       Based on my knowledge, the financial statements, and other financial
information included in this report, fairly present in all material respects the
financial condition, results of operations, changes in net assets, and cash
flows (if the financial statements are required to include a statement of cash
flows) of the registrant as of, and for, the periods presented in this report.

4.       Not applicable

5.       Not applicable

6.       Not applicable

March 3, 2003

/s/ Walter G. Sall
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Walter G. Sall, Chairman

I, Gary H. Goldschmidt, certify that:

1.       I have reviewed this report on Form N-CSR of The Gateway Trust;

2.       Based on my knowledge, this report does not contain any untrue
statement of a material fact or omit to state a material fact necessary to make
the statements made, in light of the circumstances under which such statements
were made, not misleading with respect to the period covered by this report; and

3.       Based on my knowledge, the financial statements, and other financial
information included in this report, fairly present in all material respects the
financial condition, results of

operations, changes in net assets, and cash flows (if the financial statements
are required to include a statement of cash flows) of the registrant as of, and
for, the periods presented in this report.

4.       Not applicable

5.       Not applicable

6.       Not applicable

March 3, 2003

/s/ Gary H. Goldschmidt
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Gary H. Goldschmidt, Vice President and Treasurer