Leadership

Markia Grant serves as the Human Resource Manager for Green Tree School and Services.  Markia has over 15 years of experience in several aspects of human resources involving: employee training, benefits, and payroll. She obtained her bachelor’s degree in Pre-Law and African Studies from Lincoln University of PA.  Markia has been a part of the Green Tree family for 5 years. She is enthusiastic about encouraging a positive workplace culture and facilitating employee development.

“In HR, I am privileged to help others learn about themselves, embrace their natural talents, and maximize them, while at the same time strengthening a team, organization, or culture”.

Markia Grant

HR Manager

Michale Lindon

Director of Academic Services

Dr. Cashaw is the Executive Director for Green Tree School & Services. Dr. Cashaw has been providing therapeutic services to children with unique needs and abilities for over 20 years. She joined Green Tree School & Services in 2013 and served as the Clinical Director of Operations in the Behavioral Health Department. Dr. Cashaw received her bachelor’s in Psychology from the University of Pennsylvania, her Master of Social Work from the University of Pennsylvania, and her Doctorate in Clinical Psychology from the Philadelphia College of Osteopathic Medicine. Dr. Cashaw is passionate about developing opportunities for everyone – our students and our team members – to grow and reach their full potential. With a keen eye focused on growth and development, Dr. Cashaw and Green Tree School & Services strive toward consistently elevating the standard for special education services.

“Lasting change is different than a goal. You don’t always get your goals, but you always get your standard.”

Ashara Cashaw

Executive Director

Christina Spielbauer, M.Ed. is the Senior Vice President of Operations for New Story in Pennsylvania. In this role, she oversees all of the state’s 14 New Story Schools, nine River Rock Academy campus locations, and Green Tree School & Services. She works to drive operational excellence and growth for all of New Story’s Pennsylvania-based schools and programs. For the past 25 years, Christina has dedicated her life to public education working in a variety of roles and settings including teacher and principal. Prior to joining New Story, Christina served as the Superintendent of the Carlisle Area School District. She is an active volunteer, having served on several boards including the Special Olympics, United Way of Carlisle and Cumberland County, the DREAM partnership, and Hope Station. Christina earned a bachelor’s degree in Elementary and Special Education from Duquesne University, a master’s degree in Educational Leadership from Shippensburg University and her Superintendent’s Letter of Eligibility from Shippensburg University.

“Developing intentional and meaningful relationships with families, administrators, and partners is the foundation to creating high-quality, innovative and impactful services for students, children and families. New Story’s support and education model is grounded in strong partnerships, which leads to success.”

Christina Spielbauer

Senior Vice President, Operations

Clinton Nelson, M.Ed., BCBA, LBS, is the Regional Director of Operations for Green Tree Schools. Clint began working with Green Tree School & Services in 2013 in the behavioral health department. Clint moved into the school in 2016 after a year as the Director of the Partnerships program. Clint brings over 20 years of experience as a clinician and consultant in the behavioral realm. He also has over eight years of experience as an administrator. Born and raised in Miami, Florida, Clint earned both his BA (psychology) and M. Ed (Educational Psychology) from Temple University in Philadelphia.

"I go to work every day strengthened by the knowledge that there is no greater privilege than to be granted the access to make a difference in the lives of children. My responsibility is to ensure that I prove myself worthy of that privilege every day.”

Clinton Nelson

Regional Director of Operations

Maureen Manning, Ph.D., NCSP, BCASE, is the Director of Clinical Services for Green Tree School & Services. Maureen oversees the clinical services team and the implementation of tiered clinical supports, including nursing/school health, school psychology, social work, speech language pathology, and occupational therapy. She has over 15 years of experience as a school psychologist in public and private schools and has also taught graduate-level courses in school psychology and special education.

Maureen received her bachelor’s degree in elementary education and psychology at St. Joseph’s University. She earned a master’s degree in school psychology and a doctorate in education from the University of Delaware. She has national certification as a school psychologist and state certification in Pennsylvania. In addition, she holds a teaching certification in PA for elementary students in grades K-6 and special education students in grades K-12. She recently earned national board certification as a special education advocate.

“I enjoy working at Green Tree because we are committed to implementing best practices for the students who need this the most. We continually monitor, evaluate and reflect upon our practices in order to improve the quality of services we deliver. Furthermore, we are committed to fostering the growth and development of our staff.”

Maureen Manning

Director of Clinical Services

Dareema Primus-DeVose, serves as the Admissions and Community Outreach Coordinator for Green Tree School & Services. Dareema has over 16 years of experience working in human services with a focus on working with youth. She obtained her bachelor’s degree in Marketing from Indiana University of Pennsylvania. After landing a job in the social services field in 2005, Dareema decided to pursue a career focused on impacting the lives of families and youth.

In 2001, Dareema completed her graduate studies at Eastern University, earning her master’s degree in Urban Studies with a concentration in Community Development. Dareema has been a part of the Green Tree family for 11 years. She has served in a number of different capacities throughout her tenure but is the most excited about her role as Admissions & Community Outreach Coordinator. Dareema enjoys having the opportunity to introduce students and families to Green Tree and to see the positive effects that a nurturing and supportive learning environment can have on a student’s life.

“You can only become truly accomplished at something you love. Don’t make money your goal. Instead, pursue the things you love doing, and then do them so well that people can’t take their eyes off you.” – Maya Angelou

Dareema Primus-DeVose

Admissions and Community Outreach Coordinator