Contact the library administration for information about:

  • Oversight and management
  • Accounts payable
  • Public relations
  • Langdon Divers Gallery
Monday's hours: 9:00am - 8:00pm
Tuesday's hours: 9:00am - 8:00pm
Wednesday's hours: 9:00am - 8:00pm
Thursday's hours: 9:00am - 8:00pm
Friday's hours: 9:00am - 6:00pm
Saturday's hours: 9:00am - 4:00pm
Sunday's hours: 12:00pm - 4:00pm
Oct through Apr
Closed Sundays  
May through Sept
Closed for Memorial Day  
Closed for Thanksgiving  
Closed for Christmas Eve & Christmas  
Closed for Independence Day  
Closed for Labor Day  
Closed for New Years Day  
Closed for Easter  
Close at 4 pm on New Year's Eve  
Closed for staff in-service training  
Closing early at 6 pm  
Closed for Browser Open  
Main Library downtown closed all day for 2nd annual Browser Open mini-golf fundraiser
Jon Mark Bolthouse
(920) 322-3959

Jon Mark is the Director of the Fond du Lac Public Library and is in charge of the overall management, policies, and vision for the library.
Jon Mark holds an MS in Library and Information Science from the University of Illinois, Champaign-Urbana and a BA in History and Asian Studies from Loyola University Chicago. Prior to becoming director, Jon Mark worked for the South Central Library System in Madison, the UW Colleges' Library System, three private colleges outside of Philadelphia, PA (Bryn Mawr, Haverford, and Swarthmore Colleges), and the University of Puget Sound in Tacoma, Washington.
He lives in Fond du Lac with his wife, daughter, and 13 year-old Yellow Labrador Retriever.

Contact Jon Mark at [email protected] with any questions, comments, or concerns.

Terri Fleming
Community Information Coordinator

Terri Fleming is the community information coordinator at the Fond du Lac Public Library, working to publicize the library‚Äôs events, features and services. Terri is a 20-year veteran of newspaper journalism and has worked locally in the non-profit sector. She is a self-confessed bookaholic but has taken 0 steps to curb her addiction. You can reach her at [email protected].

Laurie Moore
Administrative Assistant

Laurie is the Administrative Assistant at the library.  You'll usually find her hiding in the basement crunching numbers in her office, but occasionally she shows her face doing odd things throughout the library.  She spends a lot of time on the side at the library enjoying all the books and fun programs with her children.  She absolutely loves reading books to children!!!!  Away from the library, you'll usually find her playing sports, or enjoying watching her children play them.

You can reach her by email at [email protected] or by phone at (920) 929-7080 ext.3949.

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  • Human Resources
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  • Public Relations / Marketing
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