She teaches undergraduate and graduate courses in Early Childhood Education and Family-Centered Early Education. Mitchiner is also a doctoral student at George Mason University (GMU) in education with a specialization in early childhood education and multicultural/multilingual education. She is a fellow in a federally funded leadership program called New Leaders Now at GMU. Mitchiner previously taught deaf and hard of hearing children in the nursery program at the Clerc Center's Kendall Demonstration Elementary School for six years. She received both her bachelor's degree in early childhood education and her master's degree in deaf education (family-centered early education) from Gallaudet University.