Mike Brinkos, LSW

Mike Brinkos, LSW, obtained his master’s degree in social work from Millersville University. Joining the outpatient team at Community Services Group (CSG) in 2019, Mike is an outpatient therapist on our dialectical behavioral therapy (DBT) team and works with both adolescents and adults. Mike’s previous experience in mental health includes services provided to dually diagnosed individuals (MH and IDD) in both inpatient and community settings. He also has experience as an adjunct faculty member at Millersville University. In addition to providing DBT at CSG, Mike has interests in working with individuals who are considering weight loss surgery or who are struggling with eating disorders, and with the LGBT population.

John Perez, MA, LMFT

John Perez, MA, LMFT, is a licensed marriage and family therapist who received his MA from the Evangelical Theological Seminary. He has had training in Eye Movement Integration and trauma, and has provided therapy in the outpatient and school settings since 2011. Joining CSG in 2019, John provides outpatient therapy in the school and office settings. He is bilingual in Spanish and English, and works with adults and children.

Pamela Floyd, MSW, LSW

Pamela Floyd, MSW, LSW joined CSG in 2018 as a school based mental health professional in the Susquehanna Township School District. She received her master’s degree from Alabama A&M University and has post-graduate specialized training in anxiety treatment techniques, acceptance and commitment therapy for depression, anxiety, trauma and personality disorders, ADHD, crisis response, grief/loss, and CBT. She has experience as an outpatient therapist, providing individual and family therapy. In addition, she has had multiple roles working with children and families in the home and community.



Leanna Hassler, MA

Leanna Hassler, MA received her MA in clinical counseling from Alvernia University. Since then, she has worked with children and families using ecosystemic structural family therapy in her work as a mental health professional. Leanna has also worked as the Neighborhood Outreach Coordinator at an inner city church. Joining CSG in 2018, Leanna provides outpatient therapy for children, adolescents, adults, and families at MAPS Behavioral Health Services, The Factory Ministries, and Crossnet Ministries.

Marian Lucas, M Ed, LPC

Marian Lucas, M Ed, LPC has her Master’s in Secondary School Counseling and has had her LPC license since September 2011.  She received her masters degree from Kutztown University and completed her license coursework at Alvernia University.  She has been a clinician since 2003, with over 15 years of experience working with children and adolescents in various levels of care including inpatient, intensive out-patient, Partial hospitalization and transition programs.  She joined CSG in July 2018 and currently works in the school based outpatient program in Manheim Central School District.

Lauren Conzaman, MSW, LSW

Lauren Conzaman, MSW LSW,  has a Bachelor’s Degree in Social Work (BSW) from Kutztown University and a Masters Degree in Social Work (MSW) from Marywood University.  She is a Licensed Social Worker (LSW) since 2000.  Lauren has over 20 years experience social services, including public and private child welfare agencies, hospital setting, school systems, services for older adults, community based programming for adults with disabilities and adoption and foster care.  Lauren spent most of her career working with children, youth and families.  She oversaw foster care programming and foster families at Children and Youth Services for 6 years,  worked for a large private social ministry organization for over 14 years in a variety roles, in both direct practice and leadership positions.  During this time, she worked in programs related to child welfare, juvenile justice, pregnancy counseling services, outpatient and family-based programming, wilderness based programs, but primarily in Adoption and Foster Care Services.

Lauren also worked in the emergency room of a hospital for a few years as a psychiatric social worker, assessing patients in need of services and providing intake for patients in need of hospitalization.  Over the past several years, she worked for a Center for Independent Living (CIL), working with adults with disabilities in home and community based services.  Her knowledge and experience in multiple areas will allow her to bring her a lot to the schools in which she works.

Matthew A. Biever, D.O.

Matthew A Biever, D.O. is a Board Certified Psychiatrist, specializing in adolescent and adult psychiatry at MAPS Behavioral Health.  Dr. Biever completed his Doctor of Osteopathy degree at the Philadelphia College of Osteopathic Medicine and completed his internship and residency at the University of Medicine and Dentistry of New Jersey School of Osteopathic Medicine.  His training and early career experience helped to create solid foundations in providing individuals with comprehensive psychiatric evaluations and medication management.  Dr. Biever has provided psychiatric evaluations and medication management services to adults and adolescents in various settings throughout his career, including private practice, residential and outpatient programs.  Dr. Biever pursues a pluralistic model of treatment and incorporates existential psychotherapy/philosophy into the treatment process.

Leslie C. Book, LCSW

Leslie C. Book, LCSW is a Licensed Clinical Social Worker, who is providing integrated behavioral health assessments and screenings, brief interventions and referrals for treatment alongside primary care medical providers and specialists at Lancaster Health Center.  She holds a Master of Arts degree from Ashland Theological Seminary and a Master of Social Work degree from the University of Kentucky.  Leslie previously developed and implemented an integrated behavioral health model of care in a primary health care setting, as the Director of Behavioral Health at the Esperanza Health Center in Philadelphia, for 9 ½ years.  Leslie focuses on helping patients learn skills that will help them manage not only their mental health, but also their physical health.  She lived and worked in Nicaragua and Colombia for 13 years and is fluent in Spanish and English.

Daniel Krajan Pardo, Psy.D

Daniel Krajan Pardo, Psy.D. is a Licensed Psychologist, providing individual and family therapy for children, adolescents, and adults at MAPS Behavioral Health.  Dr. Pardo completed his Doctor of Psychology degree in Clinical Psychology at Loyola University Maryland.  He has participated in specialized training to provide Parent-Child Interaction Therapy. Additionally, Dr. Pardo has training and experience in working with refugees, including the use of an interpreter in order to provide mental health services. Dr. Pardo’s previous professional experience includes providing individual and family therapy as well as conducting psychological assessments for children through adults in varied settings including community-based, specialty and rehabilitation hospital, school based and university clinic.  Dr. Pardo conducted universal prevention programs for depression and anxiety among college students and has a background in providing behavioral interventions for children with ADHD and Autism.