Staff & Leaders

Staff & Leaders

Please take a moment to meet and get to know our Elders, Deacons and Staff at Cornerstone.

Elders lead and shepherd the church and devote themselves to prayer and the ministry of the Word.

Deacons serve by meeting the physical and material needs of the church.


Andy Bradshaw

Andy was raised, and currently lives, in Littleton, MA and loves New England. He has a Bachelor’s of Science in Civil Engineering and has worked as a Structural Engineer for nearly 20 years. Andy’s family has grown over the last 5 years through adoption and he and his wife, Keri, have 7 kids. Andy and Keri have a passion for missions and Andy is close to finishing a Master’s degree in Global Studies from Liberty Baptist Theological Seminary. Besides his…

Bernie Michaud

Bernie serves as an elder of Cornerstone while also serving as an Interim Pastor for another local body of believers. We are blessed to have Bernie as part of our church family. Listen to sermons that Bernie has preached at Cornerstone Here.

Mark Pender

Mark Pender resides in Westford with his two children and beautiful wife, Bari. Mark and Bari volunteer with our NEXT Gen Ministry and is an active part in our church body. You can listen to sermons that Mark has preached for at Cornerstone here.
Interim Pastor

Ron Sylvester

Ron is our Intentional Interim Pastor. We are blessed to have him and his wife Paula serving and worshiping along with us each week. Ron is a non-voting member of our Elder board while also serving on our Search Committee, where he offers a great deal of insight in our search for a new pastor. Click here to listen to the sermons he has preached at Cornerstone.
Office Administrator

Keri Bradshaw

Married to Andy. Lives in Littleton with 4 of their 7 children. Keri is happy to serve as our Office Administrator. She also serves as our Women’s Ministry Leader.  

John Ralls

John Ralls is happy to serve on the Board of Elders at Cornerstone. You can read his testimony here, his wife Ann’s testimony here, and her immigration story here.
Next Gen Ministry Coordinator

Mackenna Platteel

Meet Mackenna! Our Next Gen Ministry Coordinator. She joined our Cornerstone Family back in 2016. Her job around the church is to intentionally foster relationships between our youth and herself, the church, and God. By coordinating events and Bible studies with our team of youth leaders. Mackenna has lived in Chelmsford Mass since 2006. She was homeschooled up until the eighth grade, entered into public school her freshman year, and graduated from Chelmsford High in 2019. Mackenna is currently a…

Diana Walker-Moyer

Diana grew up on a working dairy farm in Westborough, Massachusetts and is thankful for the life lessons she learned there. She lived for 15 years in North Carolina before moving to Westford in 1996. She recently earned her Doctor of Nursing Practice degree and has been a nurse practitioner for over 30 years. She feels blessed to have a profession that allows her to serve others daily and expands that service to others in her community and in Haiti.…

Shirley Burchfield

Shirley was raised in Burlington, Massachusetts and currently lives in Tyngsboro with her husband Bruce and their parrot, Chewie. They have two adult children, Sharon and Paul. Over the years she has enjoyed careers as a computer programmer, church secretary, preschool teacher and receptionist. She loves God and wants others to know the peace that comes with knowing Him and is excited to be able to connect the people of Cornerstone Congregational Church with each other and with God. Shirley…

Linda Chilson

Linda hails from update New York and was transplanted to MA as a young girl. Raised in a churched family, came to know Jesus in High School, then went off to UMASS Amherst where she met her hubby, Charles. She has 3 married children and two fabulous grandsons that bring her incredible joy. She loves the outdoors, traveling and seeing the sights as well as reading a good book and discussing it with friends. Bring on a good board game…