| Susan G. Assouline, Ph.D., is director of the Belin-Blank Center and professor of school psychology at the University of Iowa. She is the co-author of the book, Developing Mathematical Talent, and co-developer of the Iowa Acceleration Scale, a tool designed to guide educators and parents through decisions about grade-skipping students. Susan consults on acceleration cases and has conducted numerous workshops on acceleration as well as on the development of mathematical talent and twice-exceptional students. Susan co-authored A Nation Deceived: How Schools Hold Back America’s Brightest Students (2004). |  |
| Mark Bade and Linda Neumann are longtime professional writers and also are parents with personal experience in 2e issues. They developed and published 2e: Twice-Exceptional Newsletter from 2003 through 2018 and continue to publish the Spotlight on 2e Series of informational booklets for parents and educators. |  |
| Susan Baum, Ph.D., is an educator, author, consultant, and Director of the 2e Center for Research and Professional Development. In addition, she is co-director of the International Center for Talent Development and Professor Emeritus at the College of New Rochelle. The author of To Be Gifted and Learning Disabled, her writing and research cover many areas of education, including differentiated curriculum and instruction, gifted education, gifted learning-disabled students, and gifted underachieving students. |  |
| Paul Beljan, Psy.D., ABPdN, is a licensed pediatric neuropsychologist in private practice in Scottsdale, Arizona. He has completed two post-doctoral fellowship programs, each in pediatric psychology and pediatric neuropsychology. Among his professional areas of interest are gifted intelligence, learning disorders, and executive functioning deficit. He is a co-author of Misdiagnosis and Dual Diagnoses of Gifted Children and Adults: ADHD, Bipolar, OCD, Asperger’s, Depression, and Other Disorders and of the recent Large-Scale Brain Systems and Neuropsychological Assessment: An Effort to Move Forward. |  |
| Kim Busi, M.D., is founder of Quad Prep, a preparatory school for 2e students in grades K-12 and Quad Manhattan, a Manhattan after-school and summer program for twice-exceptional children. She received a medical degree from Brown University Medical School and went on to get additional training in pediatrics and psychiatry. For several years, she had a faculty appointment in clinical psychiatry at the New York University School of Medicine. |  |
| Kathi Kearney, M.A. Ed., is an educator, writer, lecturer, and founder of the Hollingworth Center for Highly Gifted Children, a national resource and support network for exceptionally gifted children and their families. Currently a teacher of gifted students, Kathi is the past chair of the Conceptual Foundations Division of NAGC and has contributed to scholarly journal articles on such topics as assessment, the highly gifted child, minority groups in gifted education, and Leta Hollingworth's work on children with IQ scores above 180. She is also a Professional Associate with the Gifted Development Center in Denver and was an instructor at Iowa State University. |  |
| Linda Kreger Silverman, Ph.D., is a licensed psychologist who directs the Gifted Development Center and Visual-Spatial Resource. Over 4,200 children have been assessed at GDC over the last 24 years, many of them twice-exceptional. Linda has over 45 years of experience studying the gifted. For nine years she served on the faculty of the University of Denver in counseling psychology and education. She founded the Advanced Development Journal and edited Counseling the Gifted and Talented and Giftedness in Adults. Her book, Upside-Down Brilliance: The Visual-Spatial Learner, focuses on 2e children and adults; and she was invited to write the chapter on "Children with Learning Disabilities," for the Handbook of Gifted Education. |  |
| Deirdre Lovecky, Ph.D., is a clinical psychologist whose specialty is working with gifted children and adolescents, especially those who are highly and exceptionally gifted and those with learning disabilities, AD/HD, Asperger's Syndrome, or other behavioral or mental health disorders. Deirdre is the Director of the Gifted Resource Center of New England, located in Providence, RI. There she offers clinical psychological and educational services in assessment, psychotherapy, curriculum design, school consultation, and teacher in-service. She is the author of Different Minds: Gifted Children with AD/HD, Asperger Syndrome, and Other Learning Deficits. |  |
| Linda Neumann and Mark Bade are longtime professional writers and also are parents with personal experience in 2e issues. They developed and published 2e: Twice-Exceptional Newsletter from 2003 through 2018 and continue to publish the Spotlight on 2e Series of informational booklets for parents and educators. |  |
| Marlo Payne Thurman, Ph.D., is a school psychologist; owner of 2e Consulting Services, a private educational consulting company specializing in meeting the needs of out-of-sync learners; and the parent of two twice-exceptional children. In 1999, she founded Brideun School in Colorado, which offered a program designed exclusively for this “out-of-sync” population. Marlo has published numerous articles and presented extensively on the subject of educating twice-exceptional children and asynchronous learning. In addition, she is an adjunct faculty member at the University of Northern Colorado. |  |
| Julia Roberts, Ed.D., is the president of the World Council for Gifted and Talented Children. She also is the Mahurin Professor of Gifted Studies at Western Kentucky University, and the executive director of The Center for Gifted Studies at WKU and The Carol Martin Gatton Academy of Mathematics and Science in Kentucky. Dr. Roberts is known as an advocate for children who are gifted and talented at the state and national levels, and for that work she received the first David W. Belin NAGC Award for Advocacy. | 
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| Dan Peters, Ph.D., is a licensed psychologist in California. He is the co-founder and executive director of the Summit Center, which specializes in the assessment and treatment of children, adolescents, and families, with special emphasis on gifted, twice-exceptional, and creative individuals. He is also the co-director of Camp Summit for the Gifted, Talented, and Creative, a summer day camp in the San Francisco area. In addition, Dan is the co-author, with Susan Daniels, of Raising Creative Kids, and the author of Make Your Worrier a Warrior: A Guide to Conquering Your Child’s Fears and From Worrier to Warrior: A Guide to Conquering Your Fears. |  |
| Ellen Rosen is an attorney who received her JD from Villanova University School of Law and earned her BA with honors in psychology at La Salle University in Philadelphia, PA. She currently serves as the chair of the Board of Trustees for Bridges Academy, a school in Los Angeles that serves a twice-exceptional population of students. Ellen has practiced commercial and business litigation, and business, real estate, municipal, and governmental law. She currently is a professional photographer who specializes in portraiture and is the parent of a 2e child. |  |
