Exhibit 31.2

Certification pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 and pursuant to Rule 13a-14(a) and Rule 15d-14 under the Securities Exchange
Act of 1934

I, Brad Hacker, Chief Financial Officer of the Company, certify that:



|1. | I have reviewed this Quarterly report on Form 10-Q of Sierra Resource Group, Inc.;
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|2. | Based on my knowledge, this 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 report;
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|3. | Based on my knowledge, the condensed financial statements, and other financial information included in this 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 report;
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|4. | The registrants other certifying officer(s) 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)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant 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 registrant, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
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| | b. | Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide
reasonable assurance regarding the reliability of financial reporting and the preparation of condensed financial statements for external purposes in accordance with generally accepted accounting principles;
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| | c. | Evaluated the effectiveness of the registrants disclosure and procedures and 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 evaluations: and
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| | d. | Disclosed in this report any change in the registrants internal control over financial reporting that occurred during the registrants most recent fiscal
quarter that has materially affected, or is reasonably likely to materially affect, the registrants internal control over financial reporting; and
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|5. | The registrants other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the
registrants auditors and the audit committee of the registrant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 reasonably likely to adversely
affect the registrant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 registrants internal control over financial
reporting.
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|                      |  |  |  |                             |  |                                                      
|--------------------- |  |  |  | --------------------------- |  | -----------------------------------------------------
|Registrant            |  |  |  | Sierra Resource Group, Inc.
|                      |  |  | 
|Date: August 21, 2012 |  |  |  | By:                         |  | /s/ Barton R. Budman                                 
|                      |  |  |  |                             |  | Barton R. Budman                                     
|                      |  |  |  |                             |  | Chief Financial Officer (Principal Financial Officer)