STAFF BIOS

Meet our leaders at RCS!

Our staff members pride themselves on being devoted to delivering and exemplifying high quality ABA services with continually advancing standards. Each leader prioritizes fostering personal relationships with our students and their families to create an exceptionally meaningful experience.

Our leaders are committed to living the RCS core values and helping students with autism reach their full potential. The staff members below work alongside numerous highly qualified Behavior Therapists whose hard work and commitment contribute to making a positive impact on students’ lives each and every day.
Denise Rizzo-Ranieri

Denise Rizzo-Ranieri, M.S., Ed.

President and Co-Founder, Chief of Design

Denise Rizzo-Ranieri, M.S. Ed., is President and Co-founder of Realizing Children’s Strengths (RCS). Denise is also Chief of Design & Innovation and is the President of RCS Learning Center’s Board of Directors. In her role she leads strategic planning, program development, external relationships, and ensuring students are at the center of every RCS initiative.

Denise founded RCS Behavioral & Educational Consulting in 1997 and was later joined by co-founder Louis Ranieri. During this time, Denise consulted with public school teachers in the classroom and with parents in their homes designing special education programs. In 2006, she opened RCS Learning Center with a goal of providing the highest quality of individualized behavioral and educational services for children with autism spectrum disorder and other developmental disabilities. A year later, Mini-Miracles Early Education & Child Care Center opened and in 2013 launched the Rising Stars Integrated Preschool Program.

Denise holds a Bachelor of Science in Psychology from Plymouth State University and a Master of Science in Education from Simmons University. RCS Learning Center is one of three sister companies under Realizing Children’s Strengths alongside RCS Behavioral & Educational Consulting and Mini-Miracles Early Education & Childcare Center.

Natalie Sandmann

Natalie Sandmann, B.S.

Chief Operating Officer

Natalie Sandmann, B.S., is the Chief Operating Officer for Realizing Children’s Strengths (RCS). She came to RCS in 2003 as Director of Operations for RCS Learning Center. With extensive experience in both non-profit and for-profit organizations, she is well-versed in the areas of accounting, payroll and human resources. She also serves on the Board of Directors for RCS Learning Center.

Natalie leads strategic planning and operations, including finance, development, and HR for Realizing Children’s Strengths. She is a member of the Metrowest Chamber of Commerce, Massachusetts Association of Approved Private Schools (MAAPS), and local networking organizations throughout the community. Natalie holds a Bachelor of Science in Psychology from Keene State College. RCS Learning Center is one of three sister companies under Realizing Children’s Strengths alongside RCS Behavioral & Educational Consulting and Mini-Miracles Early Education & Childcare Center.

Christina King

Christina King, Ph.D., BCBA, LABA

Chief of Behavior Analytic Services

Dr. Christina M. King, Ph.D., BCBA, LABA, is the Chief of Behavior Analytics Services. Prior to her current role, she served as the Executive Managing Director for RCS Learning Center since 2017.  Christina began at RCS in 2006 as a Supervisor, became the Assistant Director of the Learning Center after just four months, and served as the Director of RCS Learning Center from 2007 to 2017. She also serves on the Board of Directors for RCS Learning Center.

Dr. King also works as an adjunct professor at Simmons University in the Behavior Analysis Master’s Degree program.  Prior to joining RCS, she worked as a Board-Certified Behavior Analyst (BCBA) in a variety of settings providing ABA services including, home-based, community, public schools as well as private schools. Dr. King is a published author and has presented or co-presented more than two dozen symposiums and poster sessions on a variety of topics related to the field of applied behavior analysis. Her areas of expertise include Applied Behavior Analysis, Verbal Behavior, Instructional Design, and Supervision.

Christina is a member of the Association for Behavior Analysis International, Massachusetts Association of Applied Behavior Analysis, Berkshire Association of Behavior Analysis and Therapy, Association of Professional Behavior Analysts, Council for Exceptional Children, and Massachusetts Association of Approved Private Schools and the Government Affairs Committee. She is proficient in American Sign Language and in addition to her BCBA and Licensed Applied Behavior Analyst (LABA), she is certified in First Aid and CPR and is trained in Strategies of Limiting Violent Episodes (SOLVE).

Dr. King holds a Doctor of Philosophy in Behavior Analysis, has completed coursework as an Educational Specialist in Moderate Special Education. She also holds a Master of the Science of Education in Behavioral Education from Simmons University. Christina earned her Bachelor of Science Degree in Communication Disorders with a Concentration in Deaf Education from Boston University’s Sargent College of Health and Rehabilitation.

Colleen Yorlets

Colleen Yorlets, M.A., M.S., BCBA, LABA

Chief Clinical Specialist

Colleen Yorlets, M.A., M.S., BCBA, LABA is the Chief Clinical Specialist for Realizing Children’s Strengths (RCS). Colleen joined RCS in 2007 as a Supervisor, was promoted to Assistant Director in 2010, and Clinical Director of General Consulting in 2014. She oversees the training department and collaborates on research and clinical projects. Colleen specializes in stimulus control, stimulus equivalence, and verbal behavior, presenting at industry conferences throughout the country. 

Colleen serves as an adjunct faculty member teaching graduated course in behavior analysis. In the past she has also served as a supervisor for individuals completing their ABA fieldwork. She is a member of the Massachusetts Association for Applied Behavior Analysts, Berkshire Association for Behavior Analysis and Therapy, and Association for Behavior Analysis International.

She holds a Master of Science in Behavior Analysis from Simmons University, a Master’s in the field of Psychology from Boston University, and a Bachelor of Arts in Psychology from Franklin & Marshall College. RCS Learning Center is one of three sister companies under Realizing Children’s Strengths alongside RCS Behavioral & Educational Consulting and Mini-Miracles Early Education & Childcare Center.

Ranjini Govender (2)

Ranjini Govender, J.D., Ph.D.

Vice President of Advancement

Ranjini Govender, J.D., Ph.D., is the Vice President of Advancement for Realizing Children’s Strengths (RCS). Dr. Govender joined RCS in 2020 as Director of Communications and leads external communications and advancement for RCS including marketing, external relations, and brand development. Ranjini has been a non-profit and education leader for over 20 years as a classroom teacher, education law attorney, and non-profit executive director. Her prior experience includes leading the Massachusetts chapter of education advocacy group, Stand for Children;  as Chief Partnerships Office at Next Level Social Impact, a local philanthropic fund;  and as Vice President at FUSE Corps, a national nonprofit committed to equity through creating partnership with local government.

She has been cited in local media outlets including WBUR, Comcast Newsmakers, the Boston Business Journal, and the Boston Globe. Ranjini holds a Juris Doctor degree from Syracuse University, a doctoral degree in Education from Cornell University, and Bachelor of Science degrees in both Philosophy and Psychology from William Smith College. RCS Learning Center is one of three sister companies under Realizing Children’s Strengths alongside RCS Behavioral & Educational Consulting and Mini-Miracles Early Education & Childcare Center.

Naseema Amin RCS Learning Center

Naseema Amin, M.A.

Associate Clinician

Naseema Amin, M.A., is an Associate Clinician for RCS Learning Center. Naseema begin her career at RCS Learning Center in October of 2023 with five years of experience in Applied Behavior Analysis (ABA). Since starting at RCS, Naseema has worked directly with the students as well as on the clinical side of her job.

Before RCS, Naseema worked at the May Center School in Wilmington where she started as a teacher assistant and later counselor. Naseema holds a Bachelor of Science in Psychology from Endicott College and a Master’s in Applied Behavior Analysis from Endicott College. 

Staff: Tara Ash

Tara Ash, CPT, GFT, CNC

Wellness and Physical Management Coordinator
Tara Ash, CPT, GFT, CNC, is the Wellness & Physical Management Coordinator for Realizing Children’s Strengths. Tara began her career at RCS in July of 2022 and has a passion for health and wellness with diverse populations. In her roll Tara is responsible for overseeing the fitness and nutrition classes for the students as well as coordinating our physical intervention SOLVE program.

Tara received her personal training and nutrition certifications through NASM Sports Medicine Academy. She has been in the wellness industry for over 20 years including private and nonprofit. She is also a certified trainer in Strategies of Limiting Violent Episodes (SOLVE).
Adrienne Frazier RCS Learning Center

Adrienne Frazier, B.S.

Senior Director of Business Operations

Adrienne Frazier, B.S., is the Senior Director of Operations for Realizing Children’s Strengths (RCS). Adrienne joined the RCS team in December 2012 and leads operational and administrative department management, district contracting, information technology,  and emergency operations. Prior to her current role she served as the Assistant Director of RCS Behavioral & Educational Consulting and Scheduling Manager.

Before joining RCS, Adrienne was an office manager for a healthcare organization based in Florida. Adrienne holds a Bachelor of Science in Psychology from Walden University. RCS Learning Center is one of three sister companies under Realizing Children’s Strengths alongside RCS Behavioral & Educational Consulting and Mini-Miracles Early Education & Childcare Center.

Theresa Hayes RCS Learning Center

Theresa Hayes, B.A.

Human Resources Director

Theresa Hayes, B.A., is the Human Resources Director for Realizing Children’s Strengths (RCS). She has served as the HR Director for RCS Learning Center since 2017. Her areas of expertise include employee relations and recruitment. Theresa has 25 years of experience in Human Resources in a variety of settings including, public, private, and nonprofit organizations in New York, Washington DC and Boston.

Prior to joining RCS Theresa was the HR Director for the Public Works and Transportation Departments in the City of Boston and the HR Manager at a Dorchester based not for profit health care center. Theresa holds a Bachelor of Arts from Ithaca College. RCS Learning Center is one of three sister companies under Realizing Children’s Strengths alongside RCS Behavioral & Educational Consulting and Mini-Miracles Early Education & Childcare Center.

Catherine Ianello

Catherine Ianello, B.A, M.S., RBT

Associate Clinician

Catherine Ianello, B.A., M.A., RBT, is an Associate Clinician for RCS Learning Center. Catherine began her career at RCS Learning Center in 2016. She started work as a Behavior Therapist and then moved into the role of an Associate Clinician in 2021. As an Associate Clinician she is responsible for monitoring students programs and evaluating data. Cat holds a Bachelor of Science in Early Childhood and Integrated Liberal Studies from Curry College and a Master’s in Applied Behavior Analysis at Simons University.

Elizabeth Kelsey

Elizabeth Kelsey, M.S., BCBA, LABA

Program Director

Elizabeth Kelsey, M.S., BCBA, LABA, is the Program Director for RCS Learning Center. Elizabeth began her career at RCS Learning Center in 2006 as a Behavior Therapist and took on the position of Program Director in 2021. In her role Elizabeth is responsible for overseeing the operational policies and procedures at RCS Learning Center. Her areas of interest include teaching self-help and vocational skills, preference assessments, reinforcer selection and organizational behavior management.

Prior to joining the RCS team, Elizabeth worked with adults with disabilities in a day habilitation program and residential settings. Elizabeth holds a Bachelor of Science in Psychology with a specialization in Developmental Disabilities from the University of Massachusetts Amherst. She also holds a Master of Science in Applied Behavior Analysis from Northeastern University, and became a Board Certified Behavior Analyst in 2010.

Jeremy Lasky RCS Learning Center

Jeremy Lasky, M.S., Ed.

Special Education Team Chair

Jeremy Lasky, M.S., Ed., is the Special Education Team Chair for RCS Learning Center. He is responsible for overseeing IEP development and implementation.

Prior to joining the RCS team, Jeremy began his career in 2013 as a Behavior Therapist at the New England Center for Children. He then taught 6th grade for 5 years for students with social/emotional disabilities in Waltham, MA. Jeremy holds a Bachelor of Arts in Psychology and Education from The University of Massachusetts-Amherst and a Master of Science in Education in Special Education from Simmons College. Jeremy received his Professional Teaching License in Severe Special Needs-All Levels in 2022. 

June Lee

June Lee, B.S.

Finance Director

June Lee, B.S., is the Finance Director for Realizing Children’s Strengths (RCS). June joined the team in 2014 and has 30 plus years experience with accounting and bookkeeping and 8 plus years in tax preparation. Her areas of expertise include Accounting, Finance and Bookkeeping. RCS Learning Center is one of three sister companies under Realizing Children’s Strengths alongside RCS Behavioral & Educational Consulting and Mini-Miracles Early Education & Childcare Center.

Erin Kostigen

Erin Kostigen, Ed.D., BCBA, LABA

Senior Director of Education and Curriculum

Erin Kostigen, Ed.D., BCBA, LABA, is the Senior Director of Education and Curriculum. Prior to her current role, she served as the Educational Director for RCS Learning Center. Erin began her career at RCS Learning Center in 2009. Since starting at RCS, Erin has held the positions of Behavior Therapist and Special Education Teacher in the Learning Center, and Clinical Liaison in RCS Behavioral and Educational Consulting, LLC. In 2014, Erin started her role as Educational Director where she is responsible for overseeing the Special Education Team at RCS. Erin’s areas of expertise include math education and curriculum for students with special needs, health and sexual education, and inclusion facilitation.

Erin holds a Bachelor of Science in Special Education and Mathematics from Lesley University and a Master of Education in Elementary Mathematics Education from Northeastern University. Continuing with her interest in Special Education, Erin received a Graduate Certificate in Behavioral Intervention in Autism from UMass Lowell in 2012, is licensed in Moderate and Severe Special Needs as well as Mathematics, and became a Board Certified Behavior Analyst (BCBA) in 2013. Erin earned her Doctorate of Education in 2020 from Northeastern University.

Teddi Remoundos

Teddi Remoundos, M.S., BCBA, LABA

Head of Admissions and Family Engagement

Vasiliki (Teddi) Remoundos, M.S., BCBA, LABA, is the Head of Admissions and Family Engagement for RCS Learning Center. She started her career at RCS in 2016 as a Behavior Therapist, and then took on the role of Clinician when she became a Board Certified Behavior Analyst (BCBA) in 2018. In 2021 she took on a new position at RCS serving as the Head of Admissions and Family Engagement. Her areas of expertise include working with secondary aged students with specialized programming for behavior management, language and independent living skills. Teddi holds a Bachelor of Science in Psychology with a concentration in Applied Behavior Analysis (ABA) from Northeastern University and a Master of Science in ABA from Northeastern.

Staff: Shannon Quigg

Shannon Quigg, M.S., BCBA

Associate Clinician

Shannon Quigg M.S., BCBA, is an Associate Clinician for RCS Learning Center. Shannon began her career at RCS Learning Center in 2021. She started work as a Behavior Therapist and then moved into the role of an Associate Special Education Teacher in 2021. In 2023, Shannon was promoted to Associate Clinician and became a Board Certified Behavior Analyst (BCBA). She holds a Master of Science in ABA from Regis College.

Interested in joining the RCS team?

We currently have openings for Behavior Therapists and Special Education Teachers.