Helping people know and follow Jesus.

Leadership & Staff


Mike Sigman

Lead Pastor

Mike Sigman joined the Grace Community Church leadership team in July 2011, when he was appointed Lead Pastor. In this role, he serves as Grace’s primary preacher, while developing strategic vision and leadership in consultation with the Ministry Council...

More Info

Jim Heckman

Pastor of Congregational Care and Counseling

Jim Heckman is the Pastor of Congregational Care and Counseling. He has been involved with pastoral counseling for nearly 25 years. Jim is an ordained pastoral counselor with the Evangelical Congregational Church...

More Info


David Julian

Worship Pastor

Pastor David has lived in the area since 2005, and considers this length of time to have provided him the status of "A Native of Lancaster". He began as Worship Pastor, overseeing Music & Arts in January 2012...

More Info

Paul Weitzel

Associate Pastor

Paul Weitzel is the Associate Pastor of evangelism, assimilation, and discipleship ministries at Grace Community Church of Willow Street, PA. He grew up in...



Addison Roberts

Student & Community Ministries Pastor

Addison serves as the Youth and Community Outreach Pastor at Grace Community Church. While he is new to Lancaster County, he is thrilled to live in a...


Patty Deiter

Director of Children's Ministry

Patty joined the Grace Community team as Director of Children’s Ministry in March of 2014. A native of Lancaster County, she comes with many years of experience, both as a public school teacher and in ministry to children through the local church...

More Info


Brandi Wenger

Church Administrator

Brandi Wenger is Grace Community’s full-time Church Administrator. She began her career at Grace as a part-time Administrative Assistant in October 2011, but has been part of the church family much longer. Brandi began attending GCC in 2000 with her parents and two younger sisters. Brandi is thrilled to see the wonderful things God has done at Grace over the past 14 years...

More Info

John Baker

Pastor in charge of Deacon Ministry

With John's many years of counseling and social work experience helping people get through life's challenges this was an easy fit for John into the ministry team. John also enjoys...

More Info


Wil Martin

Visitation & Teaching Pastor

In his semi-retirement, Wil Martin enjoys his role as a part-time Teaching/Visitation Pastor at Grace Community Church. He received his Bachelor of Arts degree in Philosophy from Millersville University and his Master of Divinity degree from the Evangelical School of Theology in Myerstown, PA...

More Info

Support Staff

Deb Shank | Ministry Assistant

Deb ShankDeb Shank provides administrative support to the Lead Pastor, Congregational Care and Counseling Pastor, and Associate Pastor. She also coordinates pastoral care calls and visits between the pastors and those in the hospital, assisted care facilities, under hospice care and those who are homebound. Deb also coordinates the details for funerals, baptisms, and membership classes, and she loves to connect with people who call into or visit GCC.

Since she began attending GCC in 2001, she has been a part of the Ministry Council, Congregational Care Commission, Women’s Ministry, Small Group Leadership and the Discipleship Commission. Her heart’s passion is to see people’s lives changed by Jesus, encouraging them to know Him and live according to His perfect and peace-filled plan.

Deb is a graduate of Shippensburg University and lives in Willow Street with her dog, Tilly.

To contact deb, please email

Linda Hershey | Support Assistant

Linda HersheyLinda Hershey works in the office as a support assistant to Brandi Wenger and Patty Deiter.

Her duties include ensuring the nursery has sufficient volunteers for all the children, making sure children's ministry files are current, and performing general office support. Linda has been married to Bill for 42 years. They have two daughters, Carrie and Mandy, and three grandchildren, Zach, Nate and Owen.

To contact Linda, please email

Mike Brault | Facilities Manager

Mike BraultMike handles the day-to-day setup and teardown of the rooms and facilities on the GCC campus. Mike graduated from Lancaster Bible College with his B.A. in Youth Ministries.

Mike has been married to his wife, Kim, for 18 years, and served as a Staff Sergeant and an Army Infantryman for 8 years. He is now a retired police officer who is studying for his Master's in Children's Ministry at Capital Seminary.

(All requests for building usage should be made through the main office at church.)

To contact Mike, please email

Alyssa Lapp | Traditional Worship Director

Alyssa LappAlyssa has been attending GCC since 1996 with her parents and three younger sisters. She has always called Lancaster County home and has a passion to reach the community through her God-given musical abilities.

Alyssa graduated from Solanco High School in 2009 which lead to the start of her college career at West Chester University. She received a BA in Vocal Performance as a classically trained singer with a minor in piano performance. She performed leading roles in WCU operas and after graduation in 2013, performed in two American Music Theater original shows.

Alyssa began her part-time position as Traditional Worship Coordinator in March of 2016, is also a self-employed musician around the Lancaster, Reading, West Chester, and Exton areas, and the lead singer for her wedding band, Deja Blue. Miss Lapp is also passionately involved in the 18:30 Young Adult Ministry leadership team at GCC and strives to connect with the young adult and college aged people around the community during such a transitional period of their lives. Additional GCC involvement includes singing and playing guitar and keyboard for the contemporary worship services.

In her spare time, Alyssa enjoys all the perks of nature; hiking, biking, going to the beach, camping, and enjoys playing any type of sport or game.

To contact Alyssa, please email