The PLCS Team

The Center for Professional Learning and Curriculum Support

450 Mamaroneck Avenue, 3rd Floor, Harrison, NY 10528 | (914) 345-8500 

Secretary to Administrator: Dina Roselli • Reception: Marsha Hurley 
Office Assistant: Angela CarrasquilloShilpa Mukalel

 School Library System • Hudson Valley RBERN • Homeless Student Program

Senior Director of Professional Development and Instructional Technology

Mary Beth WilsonDr. Mary Beth Wilson is the Senior Director of Professional Development and Instructional Technology. She oversees several CoSer and grant funded programs within the larger Center, including: School Library System, School Safety, Hudson Valley Regional Bilingual Education Resource Network, and Professional Learning for teachers, principals/school leaders, and central office administrators/district leaders from 32 member districts, 187 schools and including 9,280+ educators who teach 78,960+ students each year. The Center’s programs and services are grounded in research and focused on practical teaching and learning experiences and blend academic excellence and expertise in curriculum and pedagogy with transformative professional learning to improve the knowledge, skills, and competencies of educators. The Center’s efforts are realized through strategic partnerships with superintendents, assistant superintendents, and school leaders from our component districts, faculty, and administrators from higher ed institutions, and industry leaders who are committed to the Center’s mission: to prepare and support all educators in providing high quality learning opportunities for all students. Responsibilities include:
• Leading implementation of the PreK-12 New York State Learning Standards through in-district side-by-side instructional modeling, embedded coaching, curriculum development, and professional learning (face-to-face, hybrid, and online).
• Developing and implementing new strategies, programs, and structures (micro-networks of schools/districts, on-line learning, new tools, etc.) to support the professional learning needs of area schools and districts.
• Building the capacity of district teams to leverage assessment and other data to target supports and resources for students, educators, schools, and districts.
• Supporting ESSA implementation in researching, analyzing, and synthesizing data concerning special populations and school support, as appropriate.

Supervisor of Literacy and Learning

Tracy TylerTracy Tyler serves as Supervisor of Literacy & Learning at Southern Westchester BOCES.  She supports schools and districts in developing and implementing effective instructional practices resulting in accelerated student achievement.  For over a decade, she has worked with schools across Westchester, the Bronx, and Manhattan to improve teacher pedagogy and design curriculum, with a focus on literacy instruction. Tracy specializes in supporting schools to use data to inform instruction and is passionate about working with educators to develop cognitively engaging lessons and curriculum. Tracy earned her Bachelor of Science in Elementary and Special Education, with a Minor in Linguistics from the University of Delaware, her Master of Science in Teaching Literacy from Bank Street College, and an Advanced Certificate in School Building and District Leadership from Hunter College. 

Supervisor of Teaching, Learning, and Student Support

 Photo of Elizabeth DellaBadia Elizabeth DellaBadia (she/her) has been an educator dedicated to the public school system since 2006.  After earning her Bachelor of Arts Degree in History and Political Science from the University of Rhode Island, Elizabeth joined the New York City Teaching Fellows assigned to an elementary 12:1+1 special education classroom in a Queens Community School.  Elizabeth focused her Master’s thesis on the positive impact of parent-teacher partnerships in students who communicated their unmet needs through violent peer and staff interactions.  After earning her Master of Science in Elementary and Special Education from City University of New York at Queens College, Elizabeth became grade leader as she continued to teach in Integrative Co-Teaching programs across grades 1-5.  As the Special Education Teacher Support Services provider of grades K-5, Elizabeth provided intervention and mandated services in conjunction with providing school-wide instructional recommendations on her school’s Multi-Tiered System of Supports team.  Upon earning her Advanced Certificate in Teaching English to Speakers of Other Languages and School Building Leadership from St. John’s University, Elizabeth served as Data Coordinator for her large urban elementary school with a focus on accountability designations highlighted for additional monitoring in the Every Student Succeeds Act.  Elizabeth earned her Advanced Certificate in School District Leadership from City University of New York at Hunter College during the Covid-19 shutdown, allowing her to experience the shift to fully remote coursework as both a student and school leader.  During the last ten years of Elizabeth’s career, she has developed and led professional learning opportunities for her school community in addition to working with New York City’s Core Curriculum Math team and the non-profit organization Student Achievement Partners.  As part of specializing in elementary math, Elizabeth collaborated with her teacher teams to launch the New York City equity initiatives Algebra for All and Computer Science for All and continues to advocate for expanded access to high-quality coursework for populations currently underrepresented in STEM careers.  Elizabeth is most passionate about ensuring inclusive learning environments that foster student learning and emotional growth and actively seeks opportunities to work directly with teachers and paraprofessionals to strengthen curriculum planning and instructional practice.  Growing up in Yonkers, Elizabeth has a deep connection to Westchester County and is guided by a mission to create a more equitable educational experience for ALL of our County’s students. 

Supervisor of School Library System

 Dr. Jen Cannell began her position as the Supervisor of the School Library System on May 9th. She joins us from St. John Fisher College in Rochester, NY where she was an Assistant Professor and Director of the Graduate School Library Media Program. Jen has previously worked as a middle school librarian, library automation coordinator, and school library system director. Jen is past President of the New York Library Association, has a passion for learning, and thrives on collaborative work.

Supervisor of School Safety & Facilities

Brandon Cruz

Brandon A. Cruz  works to ensure that component districts' safety and building facilities needs are met. He teaches a nonviolent crisis intervention course and leads the Dignity for All Students Act 6-Hour Mandated Course on Harassment, Bullying, and Discrimination. In the School Emergency Planning – Introduction to Incident Command System workshops, he teaches the evolution of school safety and how to use the ICS to work effectively with first responders. He collaborates with Westchester County police to provide Threat Assessment Team training. He served on the Westchester District Attorney’s School Safety Commission as co-chairman of its threat assessment subcommittee. He works to reflect the Threat Assessment Team model, encouraging school officials to work  with law enforcement and mental health professionals to prevent school violence. Previously, Mr. Cruz was a middle school special education teacher, a special education instructional support specialist and, for 10 years, an elementary school assistant principal in the Bronx. He is a graduate of SUNY Albany with a master's degree in special education.

Coordinator of Health, Safety and Wellness

Coordinator of Health, Safety and Wellness Sadika ClarkeSadika Clarke’s focus is on educating the “whole child.” As the Coordinator of Health, Safety and Wellness, she curates workshops on social-emotional learning, mental health awareness, and creating inclusive and supportive learning communities. Led by the motto “educating the mind without educating the heart is no education at all,” Ms. Clarke collaborates with Southern Westchester BOCES’ component school districts by emphasizing a multi-tiered system of support to develop a positive culture for all students. Ms. Clarke works closely with the Supervisor of School Safety and Facilities to provide workshops about the Dignity for All Students Act (DASA), school violence prevention and non-violent crisis intervention. Ms. Clarke has over a decade of experience in education, supporting students, families and educators. Prior to joining Southern Westchester BOCES, she served as the Coordinator of Student Support Services in the Peekskill City School District and worked as a speech and language pathologist in the New York City public schools. She earned a bachelor’s degree in journalism and communications from Hampton University, a master’s degree in speech and language pathology from Lehman College and advanced certification in educational leadership from the College of Saint Rose. 


Carlos B. Sánchez

Executive Director


Photo of Rachael Wasilewski-AlcantaraRachael Wasilewski-Alcantara

Assistant Director


Gregory Bailey

Technology Resource Specialist

Beverly Guity

Resource Specialist


José Meléndez

Resource Specialist

David Mumper

Resource Specialist


photo of Alison ProvencherAlison Provencher

Resource Specialist


Leading Learners

David Bass

Social Studies

Michael Blueglass

Science Research

Barbara Bischoff 

Carol Conklin-Spillane

Executive Coaching

Lou Cordi

Literacy/ ELA

Sarah cordova headshot

Sarah Cordova

Literacy/ ELA

caterina di tillio headshot

Dr. Caterina Di Tillio

English Language Learners

Gregory Duncan

World Lanugage

Jennifer Eddy 

World Language

Peggy Golden


Brian Green

General Instruction

Lisa Grillo

Equity, Race, Social Justice

Dr. Shawn Joseph

Equity, Race, Social Justice

Dr. Ocheze Joseph

Equity, Race, Social Justice

Barbara Kestenbaum

Special Education

Dorothy Leone, PhD

Special Education

Dr. Amy Liszt 

General Instruction

Jamie Margolies

Literacy/ ELA

Ami Patel Song


keturah proctor photoKeturah Proctor

Equity, Race, Social Justice

John Sasko


 Jim Wright 


Dr. Betty Ann Wyks


Industry Partners

G& R Inclusive Group LLC 

Special Education

Generation Ready 

General Instruction

Gravity Goldberg LLC

Literacy/ ELA

Houghton Mifflin Harcourt 

General Instruction

IDE: Innovative Designs for Education

General Instruction


Inner Being

Social-Emotional Learning /Wellness

Lesley University 

Literacy/ ELA

NYU Metro Center 

Equity, Race, Social Justice

Regulatory Compliance 

SSI Programs 

True Heart Educational Services, Inc. 

The Writing Revolution 

Literacy/ ELA