Exhibit 31.2

                                  CERTIFICATION

I, John Schroepfer, certify that:

1. I have reviewed this Form 10-QSB of National Investment Managers Inc.;

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 small business
issuer as of, and for, the periods presented in this report;

4. The small business  issuer's other  certifying  officer 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))  [language  omitted  pursuant to
SEC Release No. 34-47986] for the small business issuer 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 small  business  issuer,  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) [Language omitted pursuant to SEC Release No. 34-47986];

c)  Evaluated  the  effectiveness  of the  small  business  issuer'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 small business  issuer's  internal
control  over  financial  reporting  that  occurred  during  the small  business
issuer's most recent fiscal  quarter (the issuer's  first fiscal  quarter in the
case of an annual report) that has materially affected,  or is reasonably likely
to  materially  affect,  the  small  business  issuer's  internal  control  over
financial reporting; and

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

Date: November 14, 2007                    /s/ John Schroepfer
                                           -----------------------------
                                           John Schroepfer
                                           Interim Chief Financial Officer