Staff Members

Staff Members

Carrie Beth Miller Smith & Robert Wesley Smith

Franchise Owners

Carrie Beth Miller Smith holds multiple degrees from MIT, a master’s degree from Harvard, and has spent 26+ years working professionally in IT. She is currently employed as an Executive Director at JP Morgan Chase bank. Additionally, Carrie spent 9 years working as a tutor in STEM fields and 15+ years serving as an independent school textbook evaluator for McGraw-Hill. Carrie's late husband and co-founder of Stemtree of Lewis Center, Robert Wesley Smith, held a degree in mass media and intercultural communications from OU. He also had 7+ years of experience working with children on a large scale as a drama coach. Carrie holds a dual foster/adoptive license with Delaware County. She was privileged to add to her family five times through adoption, and look forward to being your family-friendly STEM learning provider.

Matthew Marsh

Center Director

Matt is a true renaissance person, holding degrees and certifications in Applied Technology, Ecotourism, Adventure Travel, Phlebotomy, and as an EMT. He has spent almost a decade and a half teaching children in hands-on science and camp experiences, including children with special needs. Matt is constantly researching fun new ways to build and enjoy science and technology projects, which usually involves some sort of gloriously messy but well-controlled and -designed experiment in our lab. In his spare time he enjoys kayaking, climbing, Frisbee golf, building bicycles, and rehabilitating old houses.

Deena Fenske

Assistant Center Director

Deena has been a part of the Stemtree family since 2020, joining the Lewis Center location in October 2023, and has more than 10 years overall experience working with children! She graduated from Ohio State University in 2019 with her Bachelor's degree in Psychology, and has a background in child development and STEM. She is currently working on her Master's at Wright State University for School Counseling. Deena loves getting to know each and every one of the Stemtree kids and has a true passion and devotion to helping them learn and grow!

Rachel Mathew

Instructor

Rachel is a sophomore attending the University of Texas at Dallas and graduated from OHS. She is pursuing a computer science major. She enjoys traveling, learning new things each day, and spending time with kids. In her free time she plays basketball, dances, and hangs out with family and friends.

Brionna Corder

Instructor

Brionna is a graduate of Buckeye Valley High School and the Delaware Area Career Center's BioScience program. She is a Junior at Eastern Kentucky University studying Forensic Science with a concentration in Forensic Biology. She is a member of the National Technical Honor Society and the National Society of Collegiate Scholars.

Caroline Dietz

Assistant Instructor

Caroline recently graduated from Westerville South and will be attending Auburn University in the fall. One of her favorite subjects is science. Caroline has a cheerful personality and has spent lots of time with kids. In her free time she loves reading, working out, and spending time with her little cousins.

Reenit Jain

Assistant Instructor

Reenit is currently a senior at Olentangy High School. He loves thrilling adventures, such as rollercoasters or watching horror movies. He enjoys playing tennis and basketball, and has a black belt in taekwondo. Most of all, Reenit is a learner, an explorer, and someone who likes to think outside the box to build cool projects.

Maureen Nafula

Assistant Instructor

Maureen Nafula is a sophomore at Hayes High School. Aspiring to enter the STEM field, she has joined many science programs and entered leadership roles, such as her position as Treasurer in the Unity Community Center’s STEAM Club. Maureen’s free time is typically spent crocheting and doing other grandma activities, though she does make time for family, friends, and Marvel projects.

Claire Bowman

Marketing Events Coordinator

Claire Bowman holds a Bachelor of Science degree in Communications from Ohio University. Claire brings her bubbly personality and love of helping children to coordinate public events for Stemtree of Lewis Center. In her spare time, she loves watching baseball and softball, and is passionate about pursuing the cure for Type 1 Diabetes.