Discovery Days Board

Kelly Mehaffie
Derry Discovery Days Director

Kelly joined Derry Church in 2008 and has watched Derry Discovery Days grow. She joined the staff in 2015 and is excited to be a part of this wonderful mission outreach program. Kelly joined the board of Deacons at Derry Church in 2015. She has a background in Child Development and Developmental Psychology and has worked with various programs that improve the lives of children and families in Pennsylvania. Kelly lives in Hummelstown with her husband, Brandan, and two daughters, Megan and Riley. In addition to making sure her children get to music/art lessons, sporting activities, and church youth programs, Kelly volunteers with Caring Hearts Pet Therapy program doing pet therapy visits with her dog, Lance. She is training her new puppy, Oliver, to become a pet therapy dog. Kelly likes to read, take walks, do puzzles, vacation at the beach, watch movies, and play “Rock Band” with her family.


Rev. Dr. Stephen McKinney-Whitaker



Heidi Keene
Chairperson, Nursery Subcommittee at Derry Presbyterian Church



Karen Haas
Member of Derry Presbyterian Church

I have been a member of Derry Presbyterian Church since 1978. I have served Derry in many capacities, but my most memorable moments have been being a Church School teacher, Vacation Bible School teacher. I am also a member of the Christian Education Committee and Session. 

I am married to Paul and have two wonderful children (who are both teachers as well) Matt and Emily.  We live in Palmyra where I enjoy gardening, reading, scrapbooking and taking walks with my beloved Black Lab, Abby.

I retired in 2015 after a 34-year career as an elementary teacher for the Palmyra Area School District. During my years at Palmyra, I taught ESL, Remedial Reading, Kindergarten, Third grade and Fifth grade. I also have a Degree in Administration earning my Principal certification in 2010. I truly believe that God has called me to help teach, guide and nurture the children of the community and world.

I am excited and honored to serve on the Derry Discovery Days Board. I look forward to working with and supporting all the teachers, staff and children of Derry Discovery Days in any way I can.


Tricia Kohler
Member of Derry Presbyterian Church

My husband Greg and I recently became members at Derry Presbyterian Church. Our oldest son, Landon, started coming to the Discovery Days program at 21 months old in the Ladybug class and is now in his last year in the Butterfly class. We also have 15 month old twin boys that were baptized at the church this Fall and Hayden is in the Ladybug class this year (we are trying to get Griffin walking so he can join his brother!) I am a stay at home mom and travel agent, specializing in Disney vacations and cruises. My other hobbies include running, baking, crafting and traveling. This is my first of three years on the Discovery Days board.

Jenny Slatt
Parent Representative
We have been part of the DDD family since 2013 when my son, Caden, first attended. My middle son, Jackson, is in the Butterfly class and my daughter, Molly will be starting DDD in 2016-17 school year in the Turtle class. We absolutely love DDD and are so thankful for all the support, guidance, and educational foundation the program has provided our children. Being on the Board is our family’s way of giving back to a program that has given so much.  I have ten years of teaching experience in elementary and middle schools as well as extensive experience working with children with special needs. I have a true passion for working and volunteering in an educational setting. In my spare time I enjoy spending time with my husband, three children, and our dog Della. I love spending time at the beach, reading and capturing my family's cherished moments through photography.

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