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                                                                    EXHIBIT 12.1


                                 CERTIFICATIONS

I, Dov Baharav, certify that:

     1. I have reviewed this annual report on Form 20-F of Amdocs Limited;

     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 the company as of,
and for, the periods presented in this report;

     4. The company'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
company 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  the  company,  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 the company'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 the company's  internal  control
over financial  reporting that occurred  during the period covered by the annual
report that has  materially  affected,  or is  reasonably  likely to  materially
affect, the company's internal control over financial reporting; and

     5. The company's other certifying officer(s) and I have disclosed, based on
our most recent evaluation of internal control over financial reporting,  to the
company's  auditors and the audit  committee of the company'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 the company's 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 the  company's  internal  control over
financial reporting.

Date: December 8, 2008
/s/ Dov Baharav
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Chief Executive Officer
Amdocs Management Limited