**Exhibit 31.3**

CERTIFICATION 
I, Mark R. Schonau, certify that:
   
1.     I have reviewed this Quarterly Report on Form 10-Q ofChampions Biotechnology, Inc., a Delaware corporation:
   
2.     Based on my knowledge, this report does not containany untrue statement of a material fact or omit to state a material factnecessary to make the statements made, in light of the circumstances under whichsuch statements were made, not misleading with respect to the period covered bythis 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 thisreport;
   
4.     The Registrant’s other certifying officer and Iare responsible for establishing and maintaining disclosure controls andprocedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) andinternal control over financial reporting (as defined in Exchange Act Rules13a-15(f) and 15d-15(f)) for the Registrant and have:
   
(a)     Designed such disclosure 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 such internal control over financialreporting, or caused such internal control over financial reporting to bedesigned under our supervision, to provide reasonable assurance regarding thereliability of financial reporting and the preparation of financial statementsfor external purposes in accordance with generally accepted accountingprincipals;
   
(c)     Evaluated the effectiveness of theRegistrant’s disclosure controls and procedures and presented in thisreport our conclusions about the effectiveness of the disclosure controls andprocedures, as of the end of the period covered by this report based on suchevaluation; and
   
(d)     Disclosed in this report any change in theRegistrant’s internal control over financial reporting that occurredduring the Registrant’s most recent fiscal quarter (the Registrant’sfourth fiscal quarter in the case of an annual report) that has materiallyaffected, or is reasonably likely to materially affect, the Registrant’sinternal control over financial reporting; and
   
5.     The Registrant’s other certifying officer and Ihave disclosed, based on our most recent evaluation of internal control overfinancial reporting, to the Registrant’s auditors and the audit committeeof Registrant’s board of directors (or persons performing the equivalentfunction):
   
(a)     All significant deficiencies and material weaknessesin the design or operation of internal control over financial reporting whichare reasonably likely to adversely affect the Registrant’s ability torecord, process, summarize and report financial information; and
   
(b)     Any fraud, whether or not material, that involvesmanagement or other employees who have a significant role in theRegistrant’s internal control over financial reporting.

Date: March 17, 2009

/s/ Mark R. Schonau

  

Mark R. Schonau

  

Chief Financial Officer