Human Resources and Payroll

Human Resources & Payroll Staff


Child Development Center Staff

Director, Child Development Center

Shira Kulok

Shira joined the GMU CDC team in August of 2016. Having spent the past 12 years with international early care and education provider, Bright Horizons, nine of which she served as Center Director, Shira brings a wealth of experience and expertise in areas of child development, parent partnerships, client relations, and early childhood curriculum.

Shira earned her MS.Ed in Early Childhood and Elementary Education from Bank Street College of Education in New York City, and has worked with young children and families for over 20 years. She is excited to share her knowledge and creativity with the CDC team, and develop new and exciting partnerships on the Mason campus to enhance and further develop the education program of the CDC, while meeting the diverse needs of Mason families.

In addition to her passion to support the development of young children in the classroom, Shira believes in nurturing the growth of each child from within. Having personally experienced the benefits of yoga and mindfulness, Shira obtained her certification in teaching yoga and mindfulness to children from Budding Yogis at Circle Yoga in Chevy Chase, MD. Through fun, child-centered games and activities, children develop skills that promote emotional awareness, conflict resolution and compassion for others. When not practicing yoga, Shira enjoys time with her husband and 2 children in their Falls Church City home and neighborhood, as well as hiking, writing, and cooking.

Assistant Director

Erin Geiger 3-9751

Ms. Erin Geiger, began her career at the CDC in February of 2012 as the Lead Teacher of the Froggie Classroom.

She has a Bachelor of Art Degree in Sociology from Mary Washington College and her MA in Ed & HD from George Washington University. She currently holds a Professional Teaching License in Virginia with Severe Disabilities K-12 and Early Childhood Special Education endorsements.

In addition to teaching, Ms. Erin enjoys spending time at the beach, and walking with her dog, Charlie. She is currently enrolled as a PhD student at George Mason University. Ms. Erin became Assistant Director in May of 2014

Program Coordinator

Michelle Manalastas 3-4060

Ms. Chelly joined the CDC on her birthday in October of 2017.  She has been working in the field of Early Childhood Education for over 14 years.  Prior to coming to the CDC, she was a center director for a non-profit childcare center in Reston, Virginia.   She has a Master's Degree in Education and Human Development Early Childhood Special Education from George Washington University. She also has a Bachelor's of Secondary Education in Guidance Counseling and a Bachelor of Arts in Psychology from De LA Salle University, Philippines.

She is a newly licensed Zumba instructor for adults and children and is pursuing a certification to teach Yoga for infant, toddlers, and school age children.  In her spare time. Miss Chelly enjoys planning parties and events, playing board games, crocheting, and traveling with family.

Fiscal and Administrative Assistant

Karen Prodo 3-4645

Miss Karen joined the CDC in March 2015 as the Fiscal and Administrative Assistant.  She has a B.S. in Management Science from the State University of New York at Binghamton.  Miss Karen worked in human resources for twelve years before becoming a full-time stay at home mom.  Prior to coming to the CDC, she spent the last six years as an administrative assistant at a local area preschool.  In her spare time, Miss Karen enjoys reading, cooking, knitting and spending time with her family.

Food Service Manager

Supamas Viwatdechakul 3-3750

Supamas, or Miss Jinnie as she likes to be called, joined the CDC family in 2005.  She studied Home Economics and Child Psychology at Rajamonkon University in Thailand, and currently holds a Northern Virginia food manager’s license.  In her spare time she loves cooking, reading and spending time with her husband and daughter.  Miss Jinnie also enjoys any opportunity to travel, especially to Thailand to visit family.

Program Support

Edward Windhausen

Mr. Ed joined the CDC in April 2013 as the Assistant to the Director.  He has been working in early childhood education for over twenty years in multiple capacities and currently works with Fairfax County Public Schools as a special education teacher.  Mr. Ed is pursuing a graduate degree in early childhood education with a focus on special education at GMU, from which he also earned an undergraduate degree in Communications.  He leads teacher education workshops and is a member of NAEYC. 

Mr. Ed is also Mr. Ed the Science Head, and loves preschool science instruction.  He teaches Sunday school and enjoys singing in his church choir.  He is honored to help support an orphanage and preschool in rural Zambia, Africa and has had the privilege to travel there and work with the children several times.  In his spare time Mr. Ed enjoys outdoor sports, reading, writing, playing guitar and spending time with his two wonderful daughters.

Teddy Bears Lead Teacher

Dorothea Tyree 3-3753

A native of Romania, Miss Dorothea began her career in early childhood development at the Fort Hood, TX, Child Development Center in 1998. It was there that she received an Associate’s Degree in Child Development, and a two year specialized training with infants and toddlers. Currently attending Mason for a BA in Psychology, she also is a member of NAEYC, the National Association for the Education of Young Children.

Miss Dorothea has been working at the CDC since 2001 and was the Assistant Teacher for the Teddy Bears and Polar Bears Classrooms prior to being named Lead Teacher. Additionally, Miss Dorothea is the CDC's Garden Operations Manager overseeing the CDC's gardening learning program. She enjoys working with young children and looks forward to meeting future Mason families and keeping in touch with the CDC graduates. In her spare time Miss Dorothea is the mother of two children and enjoys learning other languages and cultures. She also loves sports and reading.

Bumble Bees Lead Teacher

Suzanne Hogan 3-3384

Miss Suzanne is a graduate of Western Kentucky University. Prior to coming to Virginia she was a Teacher Assistant for Community Action of Southern Kentucky. She also holds a Kentucky Commonwealth Child Care Credential. Miss Suzanne was also the Assistant Teacher in the Monkey Classroom for two years.

Bumble Bees Assistant Teacher

Daye Kim 3-3384

Miss Daye (Diane) is a graduate of George Mason University with a Bachelor of Arts in Elementary Education. She started working at the CDC in May of 2015 as a teacher’s assistant in the bumblebees. Miss Diane loves learning alongside the children and interacting with them. She considers it a gift to be a part of the childhood of her students and watch them blossom in many aspects of development.

Owls Assistant Teacher

Lyly Heng 3-3752

Ms. Lyly joined the CDC in May of 2015 as a teacher assistant in the Teddy Bear classroom.  Since then, she has developed a strong passion for working with young children and has decided to pursue a career in early childhood education.  Ms. Lyly became the Assistant Teacher in the Owls classroom in February of 2018.  She enjoys working with young children because she loves how honest, pure, creative, and passionate they are about the world around them.  Each day she feels grateful that her job is to help young children achieve their full potential, as well as helping them become stronger and happier.  Morever, working with children helps Ms. Lyly learn new things from differnet perspectives.

Ms. Lyly is a graduate of GMU, with a bachelors degree in Integrative Studies with a concentration in International studies, and a minor in Social Justice.  Prior to joinuing the CDC, she was a volunteer with the Chinatown Community Cultural Center in Washingtyon D.C., where she taught young children Chinese Mandarin and ESOL classes (English for speakers of other languages).  In her spare time, Ms. Lyly loves to spend time with her family, travel to new places, and visit her home country of Cambodia.

Elephants Lead Teacher

Pleasure N. Onyemachi 3-3626

Ms. Pleasure joined George Mason University Child Development Center in July 2013 in the Polar Bears classroom as a teacher assistant, and a year later became the assistant teacher in the Teddy Bears Classroom.  She was the assistant teacher in the Elephant classroom before being named as the lead teacher.  She has her Bachelors of Science in Food Science and Technology, and a Child Development Associate certification.   She was a 2015 CDA Scholarship Recipient and was designated by the Northern Virginia Association for the Education of Young Children, NVAEYC, a scholarship selection committee member for 2016. She has seven years of experience working in elementary and high schools abroad.

Ms. Pleasure volunteers as a first grade Sunday school teacher in Groveton Baptist Church, Alexandria.  Her dream is to continue to share her passion for learning, her love for children, and her enthusiasm and dedication as a teacher.


Elephants Assistant Teacher

Napha Pennington 3-3753

Napha Pennington graduated from Udon Thani Rajabhat University in Thailand with a Bachelor's Degree in Education, majoring in Early Childhood Education. Napha taught at a Kindergarten School in Thailand from 2003-2006. She then worked at a pediatric hospital in Thailand, comforting children undergoing medical treatment and teaching at their daycare facility. Prior to joining the CDC, Napha was working as a Montessori assistant for over 5 years. She genuinely enjoys working with young children.  In her spare time Napha loves painting with acrylics and enjoys doing portraits.  She also finds great joy doing art activities with children.

Monkeys Lead Teacher

Jennifer Reagan 3-3752

Miss Jen is originally from New Jersey.  She graduated from Caldwell College in 2005 with a Bachelor’s Degree in Elementary Education.  She has over 10 years of experience working with children between the ages of one and nine.  Ms. Jen has been the Monkey lead teacher since December 2010.  In her free time Ms. Jen enjoys shopping, baking, spending time with her husband and baby, and going to the movies.

Monkeys Assistant Teacher

Katrina Cabatic 3-3752

Miss Rina is a graduate of George Mason University with a B.S. in Biology.  As a child, she would tell people, "when I grow up I want to be a teacher." and to her amazement she is living that dream. The excitement of teaching, getting to know each child, and taking part in their educational and social development brings so much joy to Miss Rina. She believes being able to have fun, playing and laughing with her students is just an added bonus, especially when each day brings forth something new and different.

Froggies Lead Teacher

Sandra Coleman 3-9736

Ms. Sandra has been at the CDC since September 2009.  She has also worked with children with special needs for Fairfax County Public Schools.  Ms. Sandra loves making learning fun by incorporating music and cooking into her lesson plans.  Her favorite children's books are Strega Nona and Where the Wild Things Are. Ms. Sandra enjoys spending time with her family and has two grown children.

Froggies Assistant Teacher

Allison Conrady 3-9736

Allison began with the CDC in August of 2017. Previously, she taught as an Assistant Preschool Teacher for 2 years in a center based in Eagan, Minnesota. Her primary teaching philosophy is Reggio Emilia inspired, and she loves bringing those concepts of learning and documentation to the Froggies classroom.  Her favorite learning moments are those that stimulate the imagination. Incorporating nature and open ended items into the children’s experience provides many of those opportunities. Allison is a member of NAEYC, a Certified Children's Yoga Instructor, as well as Forest Kindergarten Certified.  She obtained her CDA in October of 2017.