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**EXHIBIT 31.1**

CERTIFICATIONS

I, J. Randall Martin, certify that; 

(1) 

I have reviewedthis quarterly report on Form 10-Q of Colombia Goldfields Ltd.; 

(2) 

Based on myknowledge, this report does not contain any untrue statement of a material factor omit to state a material fact necessary to make the statements made, in lightof the circumstances under which such statements were made, not misleading withrespect to the period covered by this report; 

(3) 

Based on myknowledge, the financial statements, and other financial information included inthis report, fairly present in all material respects the financial condition,results of operations and cash flows of the registrant as of, and for, theperiods presented in this report; 

(4) 

The registrant'sother certifying officer(s) and I are responsible for establishing andmaintaining disclosure controls and procedures (as defined in Exchange Act Rules13a-15(e) and 15d-15(e)) and internal control over financial reporting (asdefined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant andhave:
a) 

Designed such disclosure controls andprocedures, or caused such disclosure controls and procedures to be designedunder our supervision, to ensure that material information relating to theregistrant, including its consolidated subsidiaries, is made known to us byothers within those entities, particularly during the period in which thisreport is being prepared;
b) 

Designed such internal control overfinancial reporting, or caused such internal control over financial reporting tobe designed 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 accountingprinciples; 
c) 

Evaluated the effectiveness of theregistrant's disclosure controls and procedures and presented in this report ourconclusions 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
d) 

Disclosed in this report any change in theregistrant's internal control over financial reporting that occurred during theregistrant's most recent fiscal quarter (the registrant's fourth fiscal quarterin the case of an annual report) that has materially affected, or is reasonablylikely to materially affect, the registrant's internal control over financialreporting; and 
(5) 

The registrant'sother certifying officer(s) and I have disclosed, based on our most recentevaluation of the internal control over financial reporting, to the registrant'sauditors and the audit committee of the registrant's board of directors (orpersons performing the equivalent functions):
a) 

All significant deficiencies and materialweaknesses in the design or operation of internal control over financialreporting which are reasonably likely to adversely affect the registrant'sability to record, process, summarize and report financial information; and
b) 

Any fraud, whether or not material, thatinvolves management or other employees who have a significant role in theregistrant's internal control over financial reporting. 
Date: May 9, 2008

*/s/ J. Randall Martin                                                * By: J. Randall Martin Title: Chief Executive Officer and Vice Chairman