About Us


Big Brothers Big Sisters is the oldest, largest and most effective youth mentoring organization in the United States.  We have been the leader in one-to-one youth mentoring for more than a century, developing positive relationships that have a direct and lasting impact on the lives of young people. Big Brothers Big Sisters serves children, ages 6 through 14, in communities across the country – including yours.

The Big Brothers Big Sisters of Northcentral Wisconsin’s programs are the Gold Standard in youth mentoring. In 2016, our agency served 280 children through one-to-one mentoring relationships in our community-based and school-based programs.

Our service area includes Marathon and Lincoln Counties.  Our school based program serves the DC Everest, Wausau, Mosinee, Marathon and Merrill school districts.



The mission of Big Brothers Big Sisters of Northcentral Wisconsin is to empower our next generation through life-changing, high impact one-to-one mentoring.


All children achieve success in life. 


Guiding Principles:


  • Commitment to quality and safety
    We are committed to one-to-one, safe and professionally supported mentoring with proven, measurable outcomes.
  • Dedicated to serving at-risk youth
    In a world of scarce resources, we will focus on youth receiving free/reduced lunch, in a single parent environment and/or who have a parent in the criminal justice system.
  • Accountability to our stakeholders
    We are committed to mutually beneficial relationships with our stakeholders and to building and funding our capacity for sustainable, quality growth.
  • Focus on diversity
    We will address our communities’ racial, ethnic and gender diversity in all aspects of how we operate.
  • Culture of performance
    We are a progressive organization that measures our impact and will recruit, build and retain the most effective team and Board.


Our Mentoring Works

National research has shown that positive relationships between youth and their Big Brothers and Big Sisters have a direct and measurable impact on children’s lives.

Little Brothers and Sisters in our service area are: (according to 2014-2015 Performance Outcome Evaluation feedback)

2015-2016 Program Outcome Evaluation Teacher Data


99% of children, reported by classroom teacher, maintained or improved in confidence


95% of children, reported by classroom teacher, maintained or improved in competence


94% of children, reported by classroom teacher, maintained or improved in caring

National Data Shows:

  • 46% less likely to begin using illegal drugs
  • 27% less likely to begin using alcohol
  • 52% less likely to skip school.

1 Tierney, J.P., Grossman, J.B., and Resch, N.L. (1995)

Making a Difference: An Impact Study of Big Brothers Big Sisters. Philadelphia: Public/Private Ventures