EX. 99-CERT


                                 CERTIFICATIONS


I, Peter E. Sundman, certify that:

1. I have  reviewed  this  report on Form  N-CSR of  Neuberger  Berman  Advisers
Management Trust ("Registrant");

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,  changes in net assets,  and cash
flows (if the financial  statements  are required to include a statement of cash
flows) of the Registrant as of, and for, the periods presented in this report;

4.  The  Registrant's  other  certifying  officers  and  I are  responsible  for
establishing and maintaining  disclosure  controls and procedures (as defined in
Rule 30a-3(c)  under the  Investment  Company Act of 1940) and internal  control
over  financial  reporting  (as defined in Rule  30a-3(d)  under the  Investment
Company Act of 1940) for the Registrant 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 Registrant,  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 principles;

     c) Evaluated the effectiveness of the Registrant's  disclosure controls and
     procedures  and  presented  in  this  report  our  conclusions   about  the
     effectiveness  of the  disclosure  controls  and  procedures,  as of a date
     within  90 days  prior  to the  filing  date of this  report  based on such
     evaluation; and

     d) Disclosed in this report any change in the Registrant's internal control
     over financial  reporting that occurred during the second fiscal quarter of
     the period  covered by this  report




     that has materially affected, or is reasonably likely to materially affect,
     the Registrant's internal control over financial reporting; and

5. The  Registrant's  other  certifying  officers  and I have  disclosed  to the
Registrant's  auditors  and the audit  committee  of the  Registrant'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  Registrant'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 Registrant's  internal control
     over financial reporting.

Date:  August 28, 2006

         /s/ Peter E. Sundman
         -----------------------
         Peter E. Sundman
         Chief Executive Officer



I, John M. McGovern, certify that:

1. I have  reviewed  this  report on Form  N-CSR of  Neuberger  Berman  Advisers
Management Trust ("Registrant");

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,  changes in net assets,  and cash
flows (if the financial  statements  are required to include a statement of cash
flows) of the Registrant as of, and for, the periods presented in this report;

4.  The  Registrant's  other  certifying  officers  and  I are  responsible  for
establishing and maintaining  disclosure  controls and procedures (as defined in
Rule 30a-3(c)  under the  Investment  Company Act of 1940) and internal  control
over  financial  reporting  (as defined in Rule  30a-3(d)  under the  Investment
Company Act of 1940) for the registrant 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 Registrant,  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 principles;

     c) Evaluated the effectiveness of the Registrant's  disclosure controls and
     procedures  and  presented  in  this  report  our  conclusions   about  the
     effectiveness  of the  disclosure  controls  and  procedures,  as of a date
     within  90 days  prior  to the  filing  date of this  report  based on such
     evaluation; and

     d) Disclosed in this report any change in the Registrant's internal control
     over financial  reporting that occurred during the second fiscal quarter of
     the period  covered by this  report  that has  materially  affected,  or is
     reasonably likely to materially affect,  the Registrant's  internal control
     over financial reporting; and



5. The  Registrant's  other  certifying  officers  and I have  disclosed  to the
Registrant's  auditors  and the audit  committee  of the  Registrant'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  Registrant'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 Registrant's  internal control
     over financial reporting.

Date:  August 28, 2006



         /s/ John M. McGovern
         ------------------------------
         John M. McGovern
         Treasurer, Principal Financial
         and Accounting Officer