Our Team
Diane Wolf
Executive Director
Diane served as Hope Within’s office manager from August 2023 to early 2025. Diane accepted the role of Executive Director in March 2026. Diane has spent much of her adult life in Administrative, Service and Christian Ministry positions in a variety of settings; Church staff, Church Committees, Medical, College & Pharmacy offices and Customer Service. Diane also brings experience and success with event coordination and execution.
Diane’s early adult years were defined by the work of a stay at home mom, babysitting and interacting with neighbors and community groups. She continued to care for family as she also moved into other positions beginning with Hospital Admissions, impacting the community in various ways. All of these experiences culminated with Diane’s heart resonating with the ministry mission objective of Hope Within. Diane enjoys life alongside her husband, Leonard, and is grateful for family time with their 7 children, their spouses, and their 8 grandchildren. Leonard and Diane are active members of Elizabethtown Brethren in Christ Church.
Dawn Harper
Business Manager
Dawn Harper is returning to the work force as the Business Manager for Hope Within. Dawn has 6 years of bookkeeping and payroll experience under her belt working in various industries.
She has a Bachelor of Science in Early Childhood Education and uses those skills in homeschooling her two beautiful children. Dawn and her family call Hope Community Church their home. That’s where she enjoys volunteering her time as a ministry leader as well as growing in her faith and fellowship with one another. She is also a K9 handler for a local search and rescue team. In her free time, Dawn enjoys a hike with a view, a good bike ride or evening with friends.
Rebecca Bergeron
Social Media Coordinator
Rebecca is an Elementary School Teacher who spent 10 years teaching and serving the children of Lancaster City before deciding to stay home to raise her 2 daughters. She helps run an ice hockey business with her husband and currently homeschools their children. You can usually find her on a softball field or basketball court cheering on her girls in all their sports. She is excited to join the Hope Within family and do God’s work in her own small way.
Carol Geiger
Site Supervisor of Counseling Ministry
Carol Geiger is the Site Supervisor for the counseling ministry of Hope Within. Carol is a licensed professional counselor who oversees the Lancaster Bible College graduate students as they provide counseling for Hope Within clients.
Carol has more than 30 years of experience working with individuals, couples and families in a variety of settings. Carol and her husband, Bob, have four children, and nine grandchildren. Carol speaks fluent Spanish from her years of church and community development work in Bogota, Colombia. Carol and Bob are the pastoral couple at City of Refuge Brethren in Christ Church, a small Christian community dedicated to the wellbeing of men who are re-joining society after prison or substance abuse treatment.
Darice Baird
Administrative Assistant
Darice Baird joined Hope Within as an administrative assistant in 2022. Darice has previously worked in administration and development in several local ministries, including Hope Within from 2013-2015.
She is married to her college sweetheart, Andy, and the mother of four amazing daughters. They attend Living Water Community Church in Harrisburg, PA, and volunteer together as a family with local organizations to serve refugee and immigrant families. They enjoy spending time together outside camping and hiking. Darice also enjoys baking, sewing, and reading.
David Keller, MD
Medical Director
David Keller, MD joined Hope Within as the Medical Director in 2019 out of a desire to use his medical skills and experience beyond his daily job as a physician with Lebanon Valley Family Medicine. He enjoys volunteering underserved communities. He has repaired houses in West Virginia, served on the Native American reservation in Oregon, assisted with various projects in central Pennsylvania as well as the amazon jungle communities of Pucallpa, Peru.
Dr. Keller and his wife have lived in Hershey, since 1988. They have three adult children. They attend Grace Point church, where he serves as an elder, usher and medical teal leader. He sees his faith impacting those around him in positive ways, both in spiritual and physical health.
Elena Guk, DDS
Dental Director
Elena joined Hope Within Ministries as the Dental Director in 2019. Dr. Guk resides in Mechanicsburg with her husband Alex, where together they own and operate her private dental practice. They have been married for over 20 years and have four children, Emily, Timothy, Michael, and Diana.
Dr. Guk speaks fluent Russian, a skill that has been invaluable in communicating with our Ukrainian refugee patients. Her family attends the Slavic Evangelical Church of York. Her family loves the Lord and enjoys glorifying God with talents that God gave them.
Jo Davidson, RN
Head Nurse
Jo has been the Head Nurse at Hope Within since 2019. Jo earned her BSN from Messiah College. Before her time at Hope Within, she volunteered at Beacon Clinic in Harrisburg. During her time at Beacon she developed a love for the uninsured patient population. Her experience there prepared her to step into her current role at Hope Within.
She is married to Brad and they have seven children, one amazing son-in-law, two daughter-in-laws and four precious grandchildren. They live in Elizabethtown and split their time for worship between Hershey Free Church and LCBC in Manheim. Her goal is to bring glory to God in everything she does. At Hope Within she gets the privilege of caring physically, emotionally and spiritually for the uninsured and immigrant population. Her hope is to walk out her faith daily, while bringing grace, kindness and compassion to everyone at Hope Within.
Kari Rank
Dental Assistant
Kari Rank joined our patient care team as a much needed dental assistant in 2024. Kari resides in Elizabethtown with her husband Slade, and her sweet little boy. She comes to us with experience working as an assistant in 2 local dental offices. She grew up in Elizabethtown and is familiar with the community. She received her certification from YTI in 2015. Most recently she had been working in a dental lab. As Kari assists our dental team, she hopes that God’s love would be evident in all that she does. In her spare time she enjoys crafting, shopping and outdoor activities. Kari and her husband attend Hope Community Church in Mount Joy.
Kay Hyatt
Office Manager
Kay Hyatt joined Hope Within as Office Manager in 2025 and brings a variety of life and work experience to the team. As newlyweds, she and her husband Dave settled in Hershey and attended Hershey Free Church. As young parents, they worked with a ministry to college students at Penn State and then spent 5 years in the Middle East with the same ministry. After returning to the US, the family settled again in the Hershey area so her husband could take a role on the pastoral staff of Hershey Free Church and Kay worked several administrative jobs to help support the family. For the past several years Kay has worked for a local insurance brokerage starting as a receptionist and later becoming an Account Manager. She also has volunteered with English classes and refugee resettlement as well as made meals for Bethesda Mission’s Women’s Shelter. She is excited to have her administrative and ministry experience overlap at Hope Within!
She enjoys hiking, gardening and swimming and spending time with her husband of 30+ years, Dave, and her four amazing adult children.
Laurie Reichert
Development Director
Laurie joined the Hope Within Ministries Team in July, 2024 as Director of Development. She returned to full-time employment after a brief retirement period from a large corporation. Her 35+ years of marketing, sales, branding, and leadership have culminated in this role. She is extremely grateful to be able to use her experience and skill set to advance a cause that is so much greater than oneself.
Laurie holds a MBA in Marketing from Penn State University and a BS in Business Administration from Bloomsburg University. She has served on several boards over the years including: Lower Dauphin School Board, Dauphin County Farm Bureau, CAIU, and East Hanover Township Parks & Recreation Board. She resides in Grantville with her husband, Kirby. They have three grown children, three grandchildren, and one great-grandson. Laurie is a member of and active volunteer at Hanoverdale Church. Laurie enjoys hiking and running with dog, Sophie, home improvement projects, and reading.
God calls us to have hearts of humility, forgiveness, and love towards one another in our communities.
Robin Bush, BSN
Robin Bush, BSN brings a variety of nursing experience to Hope Within. Robin previously served as Director of Clinical Services at Hope Within from 2012- through early 2019, returning as a volunteer later that year. She also works part time at Susquehanna Family Medicine.
Robin lives with her husband Don, of almost 40 years, in Elizabethtown. They have two adult children and 2 grandchildren. They attend Hope Community Church where Robin is involved in Children’s Ministry and Mission programs. Robin desires to be the hands and feet of Jesus and finds sharing her faith while caring for patients a true joy.
Tina Nissly, RDH, PHDHP, EFDA
Dental Program Coordinator
Tina Nissly joined the Hope Within Ministries team in January 2019, accepting the role of Dental Program Coordinator for Hope Within Dental. She resides in the Mount Joy area.
Tina has two amazing children and two grandchildren who she loves to spend her time with. Tina worships and loves the Lord Jesus Christ and attends the Worship Center in Leola. She is active with Women’s Bible study and is on the Hospitality and Guest team. Tina is a 1992 Dental Hygiene graduate from Pennsylvania College of Technology. Tina currently practices full time as a registered dental hygienist at, Cornerstone Dental Health in Lemoyne. Tina has her Public Health Dental Hygiene Practitioner license along with her Expanded Function Dental Assistant License. For over seven years she ministered and was employed in a local free dental clinic in Lancaster County as the Dental Director. Her passions are sharing the Lord Jesus Christ with the patients and the volunteers.
Tina also equips the team in prayer and encourages others to trust and watch how God provides for the people He wants to have served through the means of Dentistry. She has served in Peru on a Medical/Dental mission trip. She also enjoys helping to collaborate, develop and operate dental programs for those who are in need of services but more importantly in need of Christ Jesus. It is a beautiful way to see smiles and hearts transformed for His Kingdom.