EXHIBIT
31.1
 CERTIFICATION OF
 PRINCIPAL
EXECUTIVE AND FINANCIAL OFFICER
 PURSUANT
TO SECTION 302(a) OF THE SARBANES-OXLEY ACT OF 2002
 
 I, Margalit Yosef, the President,
Principal Executive Officer and Director of Global Dynamics Corp. (“Global
Dynamics”), certify that:
 
 1.      I
have reviewed this Annual Report on Form 10-K of Global Dynamics for the year
ended December 31, 2008;
 
 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;
 
 3.      Based
on my knowledge, the 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 Global Dynamics as of, and
for, the periods presented in this report;
 
 4.      As
Global Dynamics’ certifying officer, I am 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 Global Dynamics and
have:
 
 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 Global Dynamics, including its consolidated
subsidiaries, is made known to us by others within those entities, particularly
during the period in which this report is being prepared;
 
 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 financial statements for external purposes in accordance with
generally accepted accounting principles;
 
 c.      Evaluated
the effectiveness of Global Dynamics’s disclosure controls 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 evaluation; and
 
 d.      Disclosed
in this report any change in Global Dynamics’s internal control over financial
reporting that occurred during Global Dynamics most recent fiscal quarter
(Global Dynamics’s fourth fiscal quarter in the case of an annual report) that
has materially affected, or is reasonably likely to materially affect, Global
Dynamics’s internal control over financial reporting; and
 
 5.      As Global
Dynamics’ certifying officer, I have disclosed, based on our most recent
evaluation of internal control over financial reporting, to Global Dynamics
auditors and the audit committee of Global Dynamics’s board of directors (or
persons performing the equivalent functions):
 
 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 Global Dynamics’ ability to record, process, summarize and
report financial information; and
 
 b.      Any
fraud, whether or not material, that involves management or other employees who
have a significant role in Global Dynamics’ internal control over financial
reporting.
 
 
 
 GLOBAL DYNAMICS CORP.
 
 
 Date:
February 25,
2009                                                                                     By:/s/Margalit
 Name: Margalit Yosef
 Title: President and Director(Principal
ExecutiveOfficer)