**EXHIBIT 31.1**

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**CERTIFICATION**

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I, M. Brent Stevens,certify that:

 

1.                                      I have reviewed this report on Form10-K/A of Diamond Jo, LLC (formerly known as Peninsula Gaming Company, LLC) andPeninsula Gaming Corp.;

 

2.                                      Based on my knowledge, this report doesnot contain any untrue statement of a material fact or omit to state a materialfact necessary to make the statements made, in light of the circumstances underwhich such statements were made, not misleading with respect to the periodcovered by this report;

 

3.                                      Based on my knowledge, the financialstatements, and other financial information included in this report, fairlypresent in all material respects the financial condition, results of operationsand cash flows of the registrant as of, and for, the periods presented in thisreport;

 

4.                                      The registrant’s other certifying officerand I are responsible for establishing and maintaining disclosure controls andprocedures (as defined in Exchange Act Rules 13a-14 and 15d-14) for theregistrant and we have:

 

a.                                      designed suchdisclosure controls and procedures to ensure that material information relatingto the registrant, including its consolidated subsidiaries, is made known to usby others within those entities, particularly during the period in which thisreport is being prepared;

 

b.                                     evaluated theeffectiveness of the registrant’s disclosure controls and procedures as of adate within 90 days prior to the filing date of this report (the “EvaluationDate”); and

 

c.                                      presented inthis report our conclusions about the effectiveness of the disclosure controlsand procedures based on our evaluation as of the Evaluation Date;

 

5.                                      The registrant’s other certifying officerand I have disclosed, based on our most recent evaluation, to the registrant’sauditors and the audit committee of registrant’s board of directors (or personsperforming the equivalent function):

 

a.                                      all significantdeficiencies in the design operation of internal controls which could adverselyaffect the registrant’s ability to record, process, summarize and reportfinancial data and have identified for the registrant’s auditors any materialweaknesses in internal controls; and

 

b.                                     any fraud,whether or not material, that involves management or other employees who have asignificant role in the registrant’s internal controls; and

 

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6.                                      The registrant’s other certifying officerand I have indicated in this report whether or not there were significantchanges in internal controls or in other factors that could significantlyaffect internal controls subsequent to the date of our most recent evaluation,including any corrective actions with regard to significant deficiencies andmaterial weaknesses.

 
|   | Date:  April 1, 2004 | /s/ M. Brent Stevens |   |
|--------|---------------------------|----------------------|--------|
|   | M. Brent Stevens          |
|   | Chief Executive Officer   |

 

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