
Marcus Throneburg
After stints in management and missionary work in Haiti, Marcus felt called to full-time ministry and is now the lead pastor of Hill Church in Kewanee. He provided wise counsel even before Cornerstone officially existed and continues to do so today. He and his wife Bobi live in Kewanee, IL with their three sons Lincoln, Bishop and Moses. In addition to his work at Hill Church, Marcus is a youth baseball coach, President of the Kewanee ministerial association and active in other local civic groups. He and his family have also hosted multiple exchange students in the last few years.

Sara Osborn
Sara and her husband Jake live in Sheffield along with their 3 sons, Liam, Gus and Oliver, with a 4th on the way. She studied at the University of IL and has a masters degree in social work and marriage and family services. While Sara is not spending her time at home with her children, in the past she has worked at Sinnissippi Centers as a Child and Family Therapist. She and her husband operate a general contracting business and their expertise and resources have served Cornerstone very well.

Stephanie Marquis
Stephanie and her husband Jason live in rural Wyanet with their two children Marissa and Cal. Steph worked as hair stylist for 6 years and currently stays home with her kids. She and her husband have been active in local youth groups and missions, including Bureau Valley Youth Connection, Fellowship of Christian Athletes and Another Child Foundation. She has served on trips to Romania, Guatemala and Mexico.
Tim Pratt
Tim is the Co-founder and a board member of Cornerstone. He is a family physician with OSF Healthcare. His passion for Cornerstone was born out his experiences with patients and his desire to love his neighbor better. Tim and Elizabeth, along with their three children Avery, Isaac and Clara, live in Sheffield.

Dan Carrington
Dan and his wife Sue live in Kewanee, IL. Dan had a 30+ year career with multiple Fortune 500 companies and most recently was an executive with Western Union. Now retired, he brings a knowledge base and wisdom to the board that was previously absent. Dan and his wife have 2 children and 5 grandchildren who help occupy his free time, along with golf, guitar and reading history.

Justin Hansen
Justin is an attorney with Swanson, Martin and Bell, LLC, and resides in Crystal Lake, IL with his wife Cheryl and their three children Aubrey, Jackson and Agnes. Originally from Walnut, IL, and a long time friend of Co-founders Tim and Elizabeth, Justin has been a tremendous resource and sounding board for Elizabeth. He guided Cornerstone through the process of incorporation and has been providing pro bono counsel ever since.

Allison Behrens
Allison earned a Bachelor’s of Accounting from Illinois State University. She has worked for Deere & Company for 15 years, where she has held numerous positions in Accounting and most recently Project Management, taking her to Springfield, MO. Allison and her husband Brandon, along with their two children Beckham and Emory currently reside in Bettendorf, IA. Even in her geographical absence, Allison has continued to provide her accounting expertise to Cornerstone.





