Marybelle Marrero-Colón

Manager, Professional Development Content

Marybelle Marrero-Colón is Professional Development Content Manager for the Center for Applied Linguistics. She joined CAL in 2012 as a Professional Development Specialist. In this current position she assists the professional development team in developing, creating, reviewing, and enhancing the content of CAL’s workshop and presentation materials and activities for both the PD team and consultants as they work with various types of professionals who teach linguistically and culturally diverse students.

In addition, as a Professional Development Specialist, Marybelle provides professional development services and activities in the SIOP Model, What’s Different about Teaching Reading to English Learners, RTI/MTSS, and other English learner topics. As a PD Specialist, Marybelle attends and presents at professional conferences representing the CAL Professional Development Team.

She began her instructional career within the field of Bilingual Special Education at an inner city high school in Brooklyn, New York (1986-1992). During that time, she specialized in content area instruction, educational evaluation/academic diagnostics, and transitional services. From there she went on to concentrate on assessment and inclusion within Special Education and Bilingual Special Education programs in New Haven and New Britain Connecticut; Rochester and New York City, New York (1992-2000). During that time, she served for one year as a principal for the Caribbean Preparatory School in Puerto Rico (1995-1996) which provided English language instruction in all content areas, as well as Spanish as a Second Language.

From 2000-2003, Marybelle was a Field Resource Specialist on a U.S. Department of Education – Title VII Grant (STAR Institute) that serviced fifteen middle and high schools in New York City. She provided professional development workshop opportunities, curriculum development instruction and support, school embedded trainings, SIOP implementation initiatives, and budget allocations.

In 2003, Marybelle was one of the founding educators for the Urban Assembly New York Harbor School, a small maritime/college preparatory public high school. Here she developed, implemented, and coordinated both the English Language Learner/ESL and Special Education Programs. She oversaw the school’s state and federal compliance for English learners, provided professional development for faculty and staff, and represented the English language learners in the school leadership team. 

Marybelle has a B.A. in Psychology and Spanish from Pace University, an M.A. in Bilingual Special Education from Hunter College – CUNY, and an M.S. in Administration and Supervision from the College of New Rochelle with a specialty certificate in professional development. She also completed a U.S. Department of Education Title VII post-graduate fellowship in Bilingual Education at New York University.


Great Lakes Comprehensive Center

CAL is collaborating in the operation of this Comprehensive Technical Assistance Center to provide capacity-building assistance to Michigan, Indiana, and Ohio in their efforts to improve the education of English language learners.