**EXHIBIT 31.2**

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**CERTIFICATION**

** **

I, John L. Flavin,****certify that:

 

1.             I have reviewed this quarterly**reporton Form 10-Q of Advanced Life Sciences Holdings, Inc.;

 

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

 

3.             Based on my knowledge, the financial statements, andother financial information included in this report, fairly present in allmaterial respects the financial condition, results of operations and cash flowsof the registrant as of, and for, the periods presented in this report;

 

4.             The registrant’s othercertifying officer and I are responsible for establishing and maintainingdisclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and15d-15(e)) ****and internal control over financial reporting (asdefined in Exchange Act Rules 13a-15(f) and 15d-15(f))**** for the registrantand have:

 

a)                                      Designed suchdisclosure controls and procedures, orcaused such disclosure controls and procedures to be designed under oursupervision, to ensure that material information relating to the registrant,including its consolidated subsidiaries, is made known to us by others withinthose entities, particularly during the period in which this report is beingprepared;

 

b)                                     Designed suchinternal control over financial reporting, or caused such internal control overfinancial reporting to be designed under our supervision, to provide reasonableassurance regarding the reliability of financial reporting and the preparationof financial statements for external purposes in accordance with GAAP;

 

c)                                      Evaluated the effectiveness of the registrant’s disclosure controls andprocedures and presented in this report our conclusions about the effectivenessof the disclosure controls and procedures, as of the end of the period coveredby this report based on such evaluation; and

 

d)                                     Disclosed in this report any change in the registrant’s internal controlover financial reporting that occurred during the registrant’s first fiscalquarter that has materially affected, or is reasonably likely to materiallyaffect, the registrant’s internal control over financial reporting; and

 

5.             The registrant’s othercertifying officer and I have disclosed, based on our most recent evaluation ofinternal control over financial reporting, to the registrant’s auditors and theaudit committee of the registrant’s board of directors (or persons performingthe equivalent functions):

 

a)                                      All significant deficiencies and material weaknesses in the design oroperation of internal control over financial reporting which are reasonablylikely to adversely affect the registrant’s ability to record, process,summarize and report financial information; and

 

b)                                     Any fraud, whether or not material, that involves management or otheremployees who have a significant role in the registrant’s internal control overfinancial reporting.

 

Date:  August 11,2009

 
| /s/ John L. Flavin                         |   |
|--------------------------------------------|--------|
| John L. Flavin                             |   |
| Chief Financial Officer                    |   |
| Advanced Life Sciences Holdings, Inc. |   |

 

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