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Our Board


Michele Altman,


Michele serves women and children through building healthy relationships while offering love, spiritual guidance, and the resources needed to build a solid foundation for growth and stability through Christ Jesus. Michele is passionate about sharing her testimony and experience of hardship to show that God can use broken people for His glory. Michele holds an associate degree in Human Services from Madison College and has worked as a supervisor at Genesee Lake School, a highly structured therapeutic environment designed to help residents find success. Michele has facilitated Living Free bible studies and knows that God placed her on earth to serve and love His people. Her prayer is for people to surrender their lives and wills to God so they may know their true identity while walking in the purpose God saw for them from the beginning and experience true freedom and the love of Jesus Christ.

Michele recently published a book about her life and journey to today as founder of Cornerstone of Grace. Learn more and buy the book at


Nancy Zimmermann,


Nancy retired after working in public education for 32 years.  She is married to Pastor Dave at River Valley Alliance Church in Watertown.  Dave and Nancy have two grown daughters, two sons in law, and three amazing grandchildren.  Besides her involvement at Cornerstone of Grace, she leads and coordinates Bible studies in her church and babysits her grandchildren during the school year on a regular basis. Nancy is motivated to serve Cornerstone of Grace because she knows that many women and children are struggling and need resources and relational support to reshape their lives.  She desires that all who enter Cornerstone of Grace would know who they are in Christ Jesus and be changed by Him. In her free time, Nancy enjoys reading on an air mattress in the lake, jigsaw and crossword puzzles, and organizing things.

Linda Oberbrunner
Member at Large

Linda has been in ministry as a social worker for many years serving women and men experiencing unplanned pregnancies and doing adoptions, if desired.  She has a heart and passion to hear the unique story of each person and communicate the compassion, truth and love of Jesus Christ required for His transformation in their lives. Linda had served as the Wisconsin District Director of Evangelical Child and Family Agency for more than 15 years and also worked with homeless men and families at the Waukesha Salvation Army for seven years. After moving to Watertown six years ago with her husband Mike of almost 50 years, Linda has thoroughly enjoyed doing seasonal customer care at Ebert's Greenhouse Village in Ixonia, for the past five growing seasons.  She authored a non-fiction book in 2020 entitled: Mercy Extended, The Gift That Transforms Lives, Impacts Generations and Mobilizes Multitudes for Eternity.  She and Mike consider themselves immensely blessed to be the parents of four awesome adult children and two of their wonderful spouses, and grandparents to six fun loving grandchildren.  Linda is excited to begin serving on the Board as she has been able to be connected to encourage Michele and some of the beautiful women at Cornerstone of Grace for the past two years.  She has personally see the transformational work God continues to do in the lives of the residents He has brought to Cornerstone of Grace.


Rachel Haberkorn,


Rachel is an accountant by trade and the treasurer of Cornerstone of Grace. She completed her undergraduate work in accounting at UW-Whitewater and has completed a master’s in ministry at Liberty University. Currently, Rachel serves as a finance analyst for Doosan Bobcat-Johnson Creek while living in Watertown and attending Hope Lake Country. Rachel enjoys serving as the treasurer of Cornerstone of Grace using both of her degrees while providing hope to women and children of Watertown who are in dire situations and in desperate need to see the love of Jesus Christ. In her free time, she chases her 5-month-old puppy, Lucy; goes on walks; spends time with friends and spoils her nieces and nephews with her time.


Carrie Sharkozy,
Member at Large

Carrie has an insurance and accounting background and has been an Administrator for not for profit businesses.  Carrie is looking forward to being able to provide hope, resources and opportunities to women and children of Watertown who have found themselves in need. In her free time, she enjoys spending time with family and traveling with friends.


Emily McFarland,
Member at Large

Emily McFarland is currently serving as the Mayor of the City of Watertown. She has a bachelor’s degree in political science and a master’s degree in public administration. Emily’s entire career has been in government. She worked for the United States House of Representatives, Green Lake County Health and Human Services, the Department of Administration and the Department of Children and Families. Prior to being elected Mayor, Emily served as an Alderperson for the city of Watertown for five years.  Emily's passion and career experiences serving families and communities is what drew her to Cornerstone of Grace. Emily is enthusiastic about serving the families that Cornerstone of Grace serves, and believes that investing time in individual people creates a ripple effect of positivity and growth throughout communities. Emily is married and has two sons; her family attends River Valley Alliance Church.


Jeremy Walker,
Member at Large

Jeremy has been on the board for Cornerstone of Grace since August 2020. He has loved being a part of this organization and enjoys having a front-row seat to the impact that Christ is having through this ministry. He loves spending time with his wife Robin and his two teenage daughters. Jeremy has always had a work ethic that he utilizes to serve others passionately. He is known among his friends and church family as the person to call if you need help with a project. His love for Christ is demonstrated in his countless volunteer activities, including serving in the children’s Sunday School at River Valley Alliance Church. Jeremy graduated from the University of Wisconsin- Platteville with a degree in Industrial Engineering and has worked in manufacturing his entire career. He now works as the Vice President of Manufacturing at Kusel Equipment in Watertown, WI. He is excited to continue working with Cornerstone of Grace because of its direct impact on changing women's and children’s lives in the name of Jesus

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