Signature Series

Signature Session

The Great Reveal: NAGC's New Diversity Toolbox for Administrators, Teachers, and Parents!

Friday, November 10
9:15 AM - 10:15 AM
Location: 208 B

NAGC has what you've been looking for! Come and find out about the new Diversity Toolbox developed by the NAGC Diversity and Equity Committee. It contains tools you've been looking for to help you and/or your district/school to address equity issues involving English learners, LGBTQ, poverty, race, and twice exceptional learners. The tools contain sections for administrators, counselors, school psychologists, teachers, and parents/guardians.

Alena R. Treat

Director of Academically or Intellectually Gifted Programs
Wake County Special Schools

Alena Treat has a Ph.D. in Curriculum and Instruction with research in Gifted Education (minor in Instructional Systems Technology and emphasis on Research), a Master's degree in Gifted Education, and a BSE in Elementary Education (minor in Interpreting for the Deaf). She is currently employed in Wake County Special School System as Director of Academically or Intellectually Gifted Programs.

Previously, Alena worked in gifted education in various capacities in both rural and urban school districts, a university (Assistant Professor in Teacher Education), a special education cooperative, magnet schools, and the Kansas State Department of Education (Director of a Javits grant). She has been on the U.S. Department of Education's Southeast Regional Advisory Committee where she represented gifted education for a five-state area. Alena has supervised and provided professional development to gifted teachers in Arkansas, Texas, and North Carolina, and has also supervised undergraduate and graduate teachers on the Navajo and Lakota Reservations and in Indiana. Alena has written and directed a Javits grant, SOL Net (Soeakers of Other Languages Network, which started gifted programs for ELL students in Dallas and for Navajo and Ute on the Navajo Reservation in Utah.

For the past two years, Dr. Treat has served as chair of the NAGC Diversity & Equity Committee. She was previously appointed to NAGC's Gifted GLBT Task Force (1999-2005) and National Work Group on Gifted Sexually Diverse Students (2005-2009). Alena has also served as chair (twice) and vice chair (three times) of the NAGC Computers and Technology Division/Network.


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Jaime A. Castellano

Florida Atlantic University

Dr. Jaime A. Castellano is an award-winning principal, award-winning author, and a noted scholar and researcher in gifted education, ESOL, special education, and in educational leadership. He has authored four books in the field of gifted education, including dozens of articles written for multiple publications. His 2011 book, Special Populations in Gifted Education: Understanding Our Most Able Students from Diverse Backgrounds, was awarded the Legacy Award for Outstanding Scholarly Publication in Gifted Education. He is recognized as one of our nation’s leading authorities in educating Hispanic/Latino students, identifying and serving low-income, racially, culturally and linguistically diverse gifted students; with particular expertise on identifying and serving gifted Hispanic/Latino students, Native American students, gifted English language learners, and gifted pre-schoolers, aged 3-5. A Rationale for Connecting Gifted Education with Dual Language Programs is another one of his popular publications.

He served on the board of directors for the National Association for Gifted Children (NAGC) from 2008-2012, the board of directors for ASCD from 2006-2009, and Advisory Board for the Arizona Association for the Gifted and Talented (AAGT). He also founded the Gifted Education Special Interest Group (SIG) with the National Association for Bilingual Education (NABE) and the Professional Interest Community (PIC) on Gifted and Advanced Learners for ASCD. Currently, he serves as the President of Florida ASCD.

Jaime has been the principal consultant on numerous Javitz grants and consults with districts across the country on the education of Hispanic/Latino students and gifted education. He also served as the founder of the National Leadership Summit on Indentifying and Serving Gifted and Talented Native American Students He presently resides in Lake Worth, FL and he is the Assistant Director for the Luciano Martinez Child Development Center, and an adjunct professor for Florida Atlantic University.


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Javetta Jones-Roberson

Dean of Instruction/Doctoral Candidate
Birdville ISD/Texas A&M University-Commerce

Javetta Jones-Roberson is a Dean of Instruction at Haltom High School in Birdville ISD located in Haltom City, Texas. She received her Bachelor’s degree from Texas Woman’s University with a focus in Education, Family Studies, and Reading. Her Master’s degree in Education Administration and Leadership is from Texas A&M University-Commerce. Previously, she has served as a high school Advanced Academics Coordinator, Gifted Campus Coordinator/Liaison, District professional development facilitator for Advanced Academics and Gifted teacher. She is very involved in the Texas Association for the Gifted & Talented as a Board member. She previously served as the vice-chair of the membership Involvement committee and member of the Advocacy committee. Javetta currently serves on the national level on the Board of Directors for the Council of Exceptional Children-Association for the Gifted. Here, she is co-Chair of the Diversity, Equity, and Access Committee. With the National Association of Gifted Children, she serves on the Diversity, Equity, and Access committee and is co-chair of the English Learners diversity Toolbox. Javetta also serves on the Board of Reviewers for The Education and Urban Society Journal.

Currently, Javetta is a doctoral candidate in the Educational Leadership program at Texas A&M University-Commerce, where her research focus is Ethical leadership practices in Title 1 and Low SES schools towards gifted underrepresented populations. Javetta is a recipient of the 2016 Texas A&M University-Commerce Directores Fellowship, which is awarded to doctoral students who focus on leadership practices that aid in the advancement of ESL and Bilingual students in schools. Javetta is an advocate for gifted diverse populations and enjoys educating staff and school personnel on the importance of serving this dynamic group of students.


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Leslie Hosey

Lower School Director, Clinical Psychologist
The Roeper School

Leslie Anita Hosey, Ph.D. currently serves as the Lower School Director for the Roeper School in Bloomfield Hills, Michigan. The Roeper Lower School serves the intellectual, academic and social and emotional needs of gifted students in Preschool through 5th grade. Leslie is the mother of three gifted boys, two who have graduated from Roeper, and one who is a currenty 9th grader. In addition to being a parent, Leslie has served three terms on the Board of Trustees, Co-chaired the Centenary Committee to honor George Roeper, and Chaired Roeper’s most recent Head Search Committee. In addition to her position as Lower School Director, Leslie serves as a Trustee on the Roeper Institute Board, which recently hosted a Symposium in Detroit on identifying and meeting the needs of high potential/underserved students. Prior to assuming leadership at the Lower School, Leslie served as a School Psychologist in Waterford School District, as well as maintained a private practice as a Clinical Psychologist. Leslie has conducted over 3000 psychological evaluations, and co-authored the Oakland County guidance document for identifying Specific Learning Disabilities. Leslie has been a member of the Roeper community for over 21 years, and has expertise in meeting the needs of the gifted across the lifespan. With the Diversity Director, Leslie has co-facilitated an Americal Promise and Affinity Group to strenghten the relationship between under-represented families and the school, provided strategies to improve academic achievement, and worked with teachers to develop and support implementation of culturally responsive classrooms. Leslie Is active in NAIS, has served as an Affinity Group Leader at the annual People of Color Conference, and as a presenter at the annual SENG conference on meeting the needs of gifted students with specific learning disabilities.


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Tiombe BISA. Kendrick-Dunn

School Psychologist and Adjunct Professor/Clinical Supervisor
Miami-Dade County Public Schools and Barry University

Tiombe Bisa Kendrick-Dunn holds an undergraduate degree from The Florida State University and completed graduate school at Barry University. She has over 15 years of professional experience in the field of children’s mental health. Mrs. Kendrick-Dunn has been employed as a school psychologist with Miami-Dade County Public Schools since 2005 where she continues to be a strong advocate for children and young adults. Mrs. Kendrick-Dunn is an adjunct faculty member at Barry University. She holds a license to practice privately as a school psychologist in Florida and holds the nationally certified school psychologist (NCSP) credential administrated by the National Association of School Psychologists (NASP). Her clinical experience includes providing counseling, psychological evaluations and assessment, educational planning and treatment planning. She provides comprehensive evaluations for a wide range of educational disabilities including autism, executive function deficits, learning disabilities (dyslexia, dyscalculia, written language disorders) and medical conditions suspected of impairing the learning process and social-emotional development. Additionally, Mrs. Kendrick-Dunn provides a variety of services to gifted and talented students (area of sub-specialization). Ms. Kendrick-Dunn was recently chosen to be a Fellow for the Leadership Development Institute (LDI) of the Council of National Psychological Associations for the Advancement of Ethnic Minority Interests (CNPAAEMI) and the Society of Counseling Psychology – Division 17 of the American Psychological Association!

Mrs. Kendrick-Dunn serves on the board of directors for the Children's Trust of Miami Dade County Florida and the Dade Association of School Psychologists (DASP). She is a member of the Diversity/Equity Committee for the National Association of Gifted Children (NAGC). Mrs. Kendrick-Dunn is also involved with the National Association of School Psychologists (NASP) where she is the coordinator for the Gifted/Talented Interest Group. Ms. Kendrick’s professional interests include gifted/talented students, diversity, and the competent psychological assessment of culturally diverse students.


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Joy Lawson Davis

Associate Professor & Chair, Dept of Teacher Education
Virginia Union University


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Teresa R. Manzella

G-Squared Youth Advocacy

Teresa Manzella is one of the founding members of the NAGC GLBTQ Network, the Past Gifted Youth Coordinator (2003-2017) and past President for MN Mensa, and a member of the American Mensa National Gifted Youth Committee. Ms. Manzella has belonged to the MN Council for the Gifted and Talented since 2002, where she has served on both the MCGT Advocacy project and the affiliate's board. She holds a Master of Liberal Studies degree; her research addresses the challenges facing youth who are gifted and GLBTQ. She presents on this topic all over the country and has been published in the Virginia Association for the Gifted Newsletter, 2e: Twice Exceptional Newsletter, Parenting for High Potential, and Mensagenda. She is co-author of the NAGC Special Series publication, "Needs and approaches for educators and parents of gifted gay, lesbian, bisexual, and transgender students," and the LGBTQ section of the new Diversity and Equity Online Toolbox, both of which will be released at the 2017 NAGC convention. Teresa blogs occasionally and has a website:


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Rachel U. Mun

Assistant Professor
University of North Texas

Dr. Rachel U. Mun is Assistant Professor at the University of North Texas in Educational Psychology (Gifted and Talented concentration). She received her Ph.D. in Education, Learning Sciences and Human Development from the University of Washington. Dr. Mun’s research interests are best described as an intersection between gifted education, mental health and immigrant issues. Her research focuses on culturally responsive leadership, social and emotional development, parental influences, decision-making and educational access for special populations of gifted learners using primarily mixed and qualitative methods. Most recently, she was a postdoctoral fellow at the National Center for Research on Gifted Education (NCRGE) at the University of Connecticut, conducting research on identifying and serving traditionally underrepresented gifted learners.


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Mike Postma

Executive Director

Dr. Michael Postma is a writer, presenter, and educational consultant specializing in gifted education with a emphasis on working with twice exceptional children. Michael is also an expert in assessment, student engagement, 21st century fluencies, and differentiated instruction. Currently, Michael lives in Surf City, NC (near Wilmington) with his wife and three children, two of whom have Aspergers Syndrome.


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The Great Reveal: NAGC's New Diversity Toolbox for Administrators, Teachers, and Parents!


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