" Supporting individuals with disabilities to grow, achieve, develop, maintain, and enhance skills and abilities. Through collaboration with team members we build and sustain long-term positive life changes."

Laura Spriggs, B.S.                                     Behavior Consultant 

 Laura joined Cornerstone in November 2014. She graduated from Penn State University with a Bachelor’s in Psychology. She has experience in various roles serving individuals with intellectual disabilities. Laura is dedicated to serving every individual in reaching their greatest potential while giving their families and support staff the tools to assist them

Madison Stansfield, B.A.                          Behavior Consultant 

 ​Madison received her Bachelors of Arts degree in Social Work at Shippensburg University in the spring of 2015. Her experience working with individuals with intellectual disabilities began in 2011 when she shadowed a psychiatric and social rehabilitation worker. From that point forward, she has been dedicated to building her skill set and knowledge base, while her passion for serving people of all abilities flourished.  Prior to joining The Cornerstone Agency team, Madison worked as a residential advisor in a transitional group home setting. In this position, she helped individuals with intellectual and physical disabilities reach their highest degree of independence. Madison carries the same philosophy with her, and is committed to helping every consumer she works with reach their greatest potential. 

Tricia Eganey-Rollins, M.S.       Behavior Support Supervisor          

 Tricia joined the team in August 2014 as a Behavior Consultant Supervisor. She holds a Masters Degree in Human Services with a Specialization in Social Work from Capella University in 2012. Prior to joining The Cornerstone Agency of PA, Tricia worked with adults and adolescents in a dual diagnosis substance abuse program. She has been working in the Human Services/Social Work field for 10 years. 

Ashley Gamble, M.S.                          Behavior Consultant Supervisor

 Ashley earned her B.S. in Psychology at Penn State Harrisburg, when she also interned as a Counselor at Keystone Correctional Services. After obtaining her BS in Psychology, Ashley worked as a Therapeutic Staff Support and supported adolescents with a multitude of intellectual disabilities. Meanwhile, earned her MA in Community Psychology and Social Change, also from Penn State Harrisburg, where she interned as a Teaching Assistant and Research Assistant for graduate professors. Shortly after in 2015, Ashley began working as a Behavior Consultant for the Cornerstone Agency. ​

Kate Hall-Robbins, LSW                 Behavior Consultant 

 Kate originally joined the Cornerstone team as an MSW intern in the Fall of 2016. She transitioned into a permanent role as a Behavior Consultant upon completion of her Master's in Social Work in May 2017. During her education, Kate researched and studied interventions associated with sexually inappropriate behaviors, as well as trauma-focused interventions effective for those individuals diagnosed with Intellectual Disabilities. 

     Kate's passion for social began as a member and President of the Best Buddies chapter at York College of PA, which inspired a career within the field as a program supervisor at a local, community based day program where she advanced and became the Director of Development.  Outside of the work space, Kate has completed multiple volunteer trips to third world countries to work with adults with physical and intellectual disabilities.

Nancy Nash, B.S.                                    Behavior Consultant 

   Nancy has been working in this field for 10 years.  She received her Bachelor's Degree in Communications from VA Commonwealth University.  Nancy has worked in the public school system using the techniques of Applied Behavior Analysis. She taught special education reading and math, provided one to one support for individuals with hearing impairments, and worked in the clinical department for a local agency.  

Nancy has two children, one in college and one in high school.  Her desire to work in this field derived from parenting an young child living with Dyslexia.  Facing the obstacles and becoming an advocate as a parent created a passion for supporting individuals with developmental and intellectual disabilities.  

Michelle Stagmer, M.S., BCBA   Behavior Consultant Supervisor

   Michelle started her career in special needs support working as a Therapeutic Staff Support and has since moved to various roles including Outpatient Therapist, Foster Care Director and Clinical Director of a school for children with Autism. Michelle holds a Master's Degree in Sociology and a Master's Degree in Special Education with an emphasis in Applied Behavior Analysis.  Michelle is a Board Certified Behavior Analyst as well as a Licensed Behavior Specialist.  She has been working in the field for 12 years and enjoys supporting individuals with special needs.  

Jennifer Lengle, M. ED                    Behavior Consultant Supervisor

 Jennifer joined our team as a Behavior Consultant in December 2013. She will receive a Master of Special Education degree and certificate in Autism from Messiah College in August 2014. She is a 1993 graduate of Penn State University where she earned a Bachelor of Science in Elementary Education and Early Childhood. Prior to joining The Cornerstone Agency of PA, Jennifer worked with school-aged children and adolescence as a Therapeutic Staff Support (TSS). Her experience has been with persons with autism spectrum disorders and other developmental disabilities.

Elizabeth Siddle, B.A.                              Behavior Consultant

Eizabeth is a graduate of Alvernia University with a Bachelor of Arts in Psychology. Her passion for Psychology has fueled her learning while studying abroad in England, Germany, Austria and the Czech Republic. Notably, Elizabeth was invited to present her undergraduate studies on communication through social media at American Psychological Association Conferences.  Elizabeth enjoys researching the individual differences in how people learn and grow, as they are forever increasing and changing in business and leisure environments. She has had the privilege of working with every age group, from infants to college students and seniors. She has worked in customer service, corporate and retail positions, daycare, public school, private school, college, organizations and nonprofit institutions. She has volunteered on boards, committees and clubs to support the endeavors and voices of the people in their communities.  Elizabeth strives to ensure consistent, relevant, and appropriate communications to consumers to promote and advance their positive relationships with their families, staff members and The Cornerstone Agency.

Nicole Deibler, M.S., BCBA                          Executive Director

 Nicole is the Co-Founder and Executive Director of The Cornerstone Agency.  She received a Master’s Degree in Clinical Psychology in May 2007 from Millersville University of Pennsylvania.  Nicole is a Board Certified Behavior Analyst, completing her certification in 2009 from Penn State University World Campus, as well as a Licensed Behavior Specialist. Her experience includes working with both children and adults with Intellectual Disabilities since 1998.  Nicole worked for several years providing Behavior Therapy to individuals with intellectual disabilities, as well as providing outpatient psychotherapy to individuals with a mental health diagnosis.  Nicole has worked for many years with individuals with dual diagnosis as well as children diagnosed with Autism.   At The Cornerstone Agency Nicole directly supervises Behavior Consultants providing Behavior Supports as well as providing direct service to individuals and their teams.   

Sam Stein, B.S.                                               Behavior Consultant

Sam received a Bachelors of Science Degree in Criminal Justice with a concentration in Behavioral Sciences from Central Penn College in 2011.  Sam has been working with Individuals with IDD since 2011 and has been with The Cornerstone Agency since July 2013.   In his role, Sam provides Behavioral Support Services to individuals and teams.  Sam particularly enjoys providing skill-building training to the consumers he serves.  As each consumer’s needs, cognitive abilities, interests and learning styles are different, Sam believes in utilizing research based skill-building and treatment techniques while customizing the individual’s lesson plan to provide a unique learning experience.  Sam is currently pursuing an advanced degree seeking certification as a Licensed Clinical Social Worker. In his free time, Sam enjoys being with family and friends.    

Brenda Laubach, M.A.                                    Executive Director

 Brenda graduated from Marywood University with a Master’s Degree in Clinical Psychology with a concentration in child, clinical, and family studies.  She worked as a Behavior Specialist Consultant and Mobile Therapist primarily with children on the Autism Spectrum for 6 years. During that time, she created a specialized summer camp program for children with Autism, including securing funding and supervising direct day-to-day operations.  Brenda began working with adults with Intellectual and Developmental Disabilities in 2008.  During that time, she completed psychological assessments (including ID evaluations) and served as Director of a Behavior Support Program.  In consultation with Dr. G. David Smith, Brenda created the protocol and procedure for communication assessments and skill training for individuals with limited or poor communication skills.  In 2012, Brenda and Nicole decided to start their own agency with two primary objectives:  To provide high-quality services based on the science of functional behavior assessment to individuals with disabilities and To provide a work environment for employees that fostered growth and development; realizing that the reputation of a human service agency is built on the reputation and quality of service provided by their employees.  Brenda is a Licensed Behavior Specialist. 

Meet the Team

Jordan Korge, B.S.                              Behavior Consultant 

 ​Jordan has a bachelor's degree from Penn State University in Applied Behavioral Science.  Previous work experience includes working in a residential setting as a direct care staff supervising children at the United Methodist home for Children. Jordan then transitioned to Dauphin County Case Management Unit where he worked as a Targeted Case Manager for children diagnosed with mental health disorders.  Jordan then worked with individuals diagnosed with intellectual disabilities as a supports coordinator for Cumberland /Perry MH.IDD. 

Jordan is pursuing a master's degree in marriage and family counseling at Messiah College.  His passion is family and his overarching career goal is to continue to help individuals and families achieve their life goals, whatever they may be. 

Jordan is a native Texan who enjoys spending time outside hiking, fishing or camping.  These activities usually involve his basset hound "Kevin".  Jordan and his wife recently had their first born child-a daughter. He is looking forward to  new roles as both a father and a behavior consultant.  

Michelle Linnen, B.A.                          Behavior Consultant 

 ​Michelle started her career in this field 15 years ago as a direct care worker. She graduated from Penn State University with Bachelor of Arts degrees in Sociology and Administration of Justice. Michelle has been with the Cornerstone Agency since April 2014 and works primarily in Franklin County. She is looking forward to further developing her skills in relation to function and communication. Michelle is a Pottsville native and enjoys spending time outside with her shih tzus.


Lance Wallace, B.A.                                          Behavior Consultant 

 ​Lance studied Psychology at Penn State University and earned his Bachelor's Degree. He had worked in the Behavioral Health/Human Service for three years as a residential direct care worker prior to coming to The Cornerstone Agency. Lance has a sister diagnosed with Down Syndrome which he feels has given him experience in behavioral health throughout his life. Lance feels some of his personal life achievements are never having missed a day of school from K-12 Grades, and he was a People Student Ambassador in 2006. Lance is currently enjoying his experience at The Cornerstone Agency as he develop his skills in ABA and Functional Communication Training, as well as helping individuals achieve their potential. Lance is working on going back to school for a master’s degree in Psychology.