Exhibit 31.1

CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER 

PURSUANT TO RULE 13a-14(a) AND RULE 15d-14(a) OF THE

SECURITIES EXCHANGE ACT OF 1934, AS AMENDED

I, Andrew W. Dorn, Jr., certify that:

| 1.     | I have reviewed this quarterly report on Form 10-QSB of	Great Lakes Bancorp, Inc. (the "Company");                                                                                                                                                                                                                     |
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| 2.     | Based on my knowledge, this quarterly 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 quarterly report;   |
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| 3.     | Based on my knowledge, the consolidated financial	statements, and other financial information included in this quarterly	report, fairly present in all material respects the financial condition,	results of operations and cash flows of the registrant as of, and for, the	periods presented in this quarterly report;         |
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| 4.     | The small business issuer's other certifying officer and	I are responsible for establishing and maintaining disclosure controls and	procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for	the small business issuer and have:                                                                                |
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|   | (a)                                                                                                                                                                                                                                                                                                                              | designed such disclosure controls and			procedures, or caused such disclosure controls and procedures to be			designed under our supervision, to ensure that material information			relating to the small business issuer, including its consolidated			subsidiary, is made known to us by others within those entities,			particularly during the period in which this quarterly report is			being prepared; |
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|   | (b)                                                                                                                                                                                                                                                                                                                              | evaluated the effectiveness of the small			business issuer's disclosure controls and procedures presented in			this report our conclusions about the effectiveness of the			disclosure controls and procedures, as of the end of the period			covered by this report based on such evaluation; and |
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|   | (c)                                                                                                                                                                                                                                                                                                                              | disclosed in this report any change in the			small business issuer's internal control over financial reporting			that occurred during the small business issuer's most recent fiscal			quarter (the small business issuer's fourth fiscal quarter in the			case of an annual report) that has materially affected, or is			reasonably likely to materially affect, the small business issuer's			internal control over financial reporting; and |
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| 5.     | The small business issuer's other certifying officer and	I have disclosed, based on our most recent evaluation of internal control	over financial reporting, to the small business issuer's auditors and the	audit committee of the small business issuer's board of directors (or	persons performing the equivalent functions): |
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|   | (a)                                                                                                                                                                                                                                                                                                                              | all significant deficiencies and material			weaknesses in the design or operation of internal control over			financial reporting which are reasonable likely to adversely affect			the small business issuer's ability to record, process, summarize			and report financial information; and |
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|   | (b)                                                                                                                                                                                                                                                                                                                              | any fraud, whether or not material, that			involves management or other employees who have a significant role			in the small business issuer's internal control over financial			reporting. |

November 9, 2005

 

/s/ Andrew W. Dorn, Jr.                           Andrew W. Dorn, Jr.President & Chief Executive Officer