Exhibit 31.1

CERTIFICATIONS



I, George J. Carter, certify that:



|1. |  | I have reviewed this
Quarterly Report on Form 10-Q of FSP 303 East Wacker Drive Corp.;
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|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;
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|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 registrant
as of, and for, the periods presented in this report;
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|4 |  | The registrant’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 registrant and have:
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|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;
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|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;
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|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 the end
of the period covered by this report based on such evaluation; and
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|d) |  | Disclosed
in this report any change in the registrant’s internal control over financial reporting that occurred
during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter
in the case of an annual report) that has materially affected, or is reasonably likely to materially
affect, the registrant’s internal control over financial reporting; and
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|5 |  | The registrant’s
other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control
over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s
board of directors (or persons performing the equivalent functions):
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|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
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|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.
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|Date: May 12, 2011 | /s/ George J. Carter
        George J. Carter
        President (Principal Executive Officer)
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