Exhibit 99.CERT

I, Robert S. Meeder, Sr., certify that:

1. I have reviewed this report on Form N-CSR of Meeder Advisor Funds Trust:

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 information included in this report, and
the financial statements on which the financial information is based, 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-2[c] under the Investment Company Act) for the registrant and have:

a) designed such disclosure controls and procedures 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) evaluated the effectiveness of the registrant's disclosure controls and
procedures as of a date within 90 days prior to the filing date of this report
(the "Evaluation Date"); and

c) presented in this report our conclusions about the effectiveness of the
disclosure controls and procedures based on our evaluation as of the Evaluation
Date;

5. The registrant's other certifying officers and I have disclosed, based on our
most recent evaluation, 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 in the design or operation of internal controls
which could adversely affect the registrant's ability to record, process,
summarize, and report financial data and have identified for the registrant's
auditors any material weaknesses in internal controls; and

b) any fraud, whether or not material, that involves management or other
employees who have significant role in the registrant's internal controls; and

6. The registrant's other certifying officers and I have indicated in this
report whether or not there were significant changes in internal controls or in
other factors that could significantly affect internal controls subsequent to
the date of our most recent evaluation, including any corrective actions with
regard to significant deficiencies and material weaknesses.

/s/  Robert S. Meeder, Sr.                       Chairman
[Signature]                                      [Title]

September 3, 2003
[Date]



I, Bruce E. McKibben, certify that:

1. I have reviewed this report on Form N-CSR of Meeder Advisor Funds Trust:

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 information included in this report, and
the financial statements on which the financial information is based, 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-2[c] under the Investment Company Act) for the registrant and have:

a) designed such disclosure controls and procedures 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) evaluated the effectiveness of the registrant's disclosure controls and
procedures as of a date within 90 days prior to the filing date of this report
(the "Evaluation Date"); and

c) presented in this report our conclusions about the effectiveness of the
disclosure controls and procedures based on our evaluation as of the Evaluation
Date;

5. The registrant's other certifying officers and I have disclosed, based on our
most recent evaluation, 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 in the design or operation of internal controls
which could adversely affect the registrant's ability to record, process,
summarize, and report financial data and have identified for the registrant's
auditors any material weaknesses in internal controls; and

b) any fraud, whether or not material, that involves management or other
employees who have significant role in the registrant's internal controls; and

6. The registrant's other certifying officers and I have indicated in this
report whether or not there were significant changes in internal controls or in
other factors that could significantly affect internal controls subsequent to
the date of our most recent evaluation, including any corrective actions with
regard to significant deficiencies and material weaknesses.

/s/  Bruce E. McKibben                         Treasurer
[Signature]                                     [Title]

September 3, 2003
[Date]