Exhibit 24.1
POWER OF ATTORNEY
The undersigned members of the Board of Directors and Executive Officers of Enterprise Financial Services Corp, a Delaware corporation (the "Company") hereby appoint Keene S. Turner or Peter F. Benoist as their Attorney-in-Fact for the purpose of signing the Company's Securities Exchange Commission Form 10-K (and any amendments thereto) for the year ended December 31, 2015.

Signature | Title | Date
/s/ James J. Murphy, Jr. | Chairman of the Board | February 26, 2016
James J. Murphy, Jr.
/s/ John Q. Arnold | Director | February 26, 2016
John Q. Arnold
/s/ Michael A. DeCola | Director | February 26, 2016
Michael A. DeCola
/s/ William H. Downey | Director | February 26, 2016
William H. Downey
/s/ John S. Eulich | Director | February 26, 2016
John S. Eulich
/s/ Robert E. Guest, Jr. | Director | February 26, 2016
Robert E. Guest, Jr.
/s/ James M. Havel | Director | February 26, 2016
James M. Havel
/s/ Judith S. Heeter | Director | February 26, 2016
Judith S. Heeter
/s/ Michael R. Holmes | Director | February 26, 2016
Michael R. Holmes
/s/ Birch M. Mullins | Director | February 26, 2016
Birch M. Mullins
/s/ Sandra A. Van Trease | Director | February 26, 2016
Sandra A. Van Trease