Staff Members

Sabrina Stewart

Franchisee and Center Director

Sabrina is excited to start the first Stemtree Education Center in Washington state. Sabrina was born and raised in the Seattle area. She attended the University of Washington where she received a Bachelor of Science in Psychology. Sabrina and Eric have four children (ranging in age from 15 to 29) and two grandsons. Sabrina has spent the last 15 years working in IT QA for multiple technologies. In July 2017, she decided it was time to become a business owner. Sabrina understands that children are our future and wants to do all she can to encourage students to be responsible and happy members of society. She also wants to inspire the students to be open to new ideas and be able to utilize critical thinking to make informed decisions throughout their lives. She selected the Stemtree franchise because it offers the structure needed to expand students’ minds through hands on learning and encourages self-reliance with one-on-one support that is always available. Sabrina is looking forward to meeting you and your children and providing a fun and safe environment for each student to develop a strong foundation for all future learning.

Eric Stewart

Franchisee and Center Director

Eric has been a life-long resident of Snohomish county and has attended Everett Community College, Edmonds Community College, Western Washington University and has a MBA from City University of Seattle. He has worked primarily in healthcare IT and worked as an industrial engineer for Boeing. He is certified in project management and in process improvement. Eric has a passion for teaching and has experience in adult learning in academic, corporate and non-profit learning environments. He is an instructor for the Everett Community College Corporate and Community Education Center and teaches classes for project management and process improvement. He is also an instructor for Bellevue College in the Healthcare Leadership program teaching project management and is a mentor for the field study program. He has also taught for City University, Cascadia Community College, Project Management University at Providence and at the American Red Cross. Eric has always been very involved in his children’s school and community activities. He has been a soccer coach and a Girl Scout leader, as well as participated in WatchDOGs. He has volunteered for several youth organizations, such as Junior Achievement, PMI Educational Foundation, and has been a DECA competition judge for the past 7 years. Eric is excited to be part of Stemtree which is a fun way for kids to learn about science and technology and to promote skills they will need for the future.

Carol Cross

Center Director

Carol recently received a Bachelor of Technical Arts from CWU in Information Technology Administrative Management specializing in Cybersecurity. She has an Associates in Technical Arts Business Administration degree from ECC, and a Business Administration Certificate. Carol worked in the research and development arm supporting Operations and Infrastructure for Data Center and Network products at Intel Corporation for more than 15 years as a Senior Engineering Technician. She has instructed First Aid, Art (multiple focuses), Running Start Corporate Mentorship and Enabling, and Managing Interpersonal Social Styles. Carol has three children and believes Stemtree helps prepare students for what's next by applying Science, Technology, Engineering, and Math in a way where a child does not have to ask, "When will I ever use this?" because they already are. Carol also loves roller skating (freestyle-funk dance); boxing, baking with her daughter, and building obstacle courses with her son.

Miranda Stewart


My name is Miranda, and I am currently working on my graduate degree in Mechanical Engineering at the University of Washington. I graduated from Washington State University with a degree in Mechanical Engineering in 2020. I enjoy sharing my love for engineering and science with the students at Stemtree and have been instructing there off and on since 2018. In my spare time, I quilt, paint rocks, and play Pokémon Go.

Phung Vo


My name is Phung and I am studying Computer Science at the University of Washington Bothell. I like STEM because I want to find innovative solutions to real-world challenges. I want to teach students at a pace where they will understand the material and be able to use it. Being able to use STEM to help people is very important to me. In my free time I code data packs in Minecraft and take care of my garden.

Dominique Bell


My name is Dominique and I attended William Woods University where I completed both my Bachelor’s degrees (Elementary Education and Equestrian Science) and my Master’s degree in Curriculum & Instruction. I am a K-8 certified teacher in both WA and MO. I have been a substitute teacher for all grades K-12 since finishing my degrees. I have also been a horseback riding instructor for a number of years. I am working toward my certification in teaching middle school Science, Math and Humanities. STEM gives kids experiences in real world situations while keeping them excited about learning. I strive to give a positive memorable experience to every student I work with. Some fun facts about me are that I have been riding horses for 20 years, I train horses and I dabble in Fashion Design.

Best Summer Camp
4th Year in a Row!

Stemtree Featured on Local TV

Stemtree featured in Vienna Connection

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Stemtree of Falls Church selected 2019 Best Education Center