Meet Our Team
Great Teachers Inspire
Our tutors and staff in Johnston & Des Moines consist of passionate educators who love inspiring children to succeed. Warm, caring and great at relating to kids, our tutors in Johnston & Des Moines know how to engage and motivate each child in a personal way—building confidence and smiles, as well as skills and better scores. We selectively choose tutors who know local curriculum and can link Sylvan lessons to what’s being taught in school.
Get to know our tutors and staff in Johnston & Des Moines!

Jody Simpson
Regional Director
Jody has been with Sylvan for over 24 years. Jody conducts conferences, assists families with their needs and ensures that our center is always upholding the Sylvan Pledge! She loves to build relationships with families and create life long partnerships. In her spare time, Jody loves to spend time with her family, attend all of her kids events, travel, and try new recipes.

Katie Ruby
Executive Director
As Executive Director of the Sylvan Learning Center, Katie leads the center and community partnerships with initial family and community consultations, manages the overall customer experience, and ensures high-quality operations are executed. Katie’s international education in both business and hospitality has allowed her to travel to several corners of the world. Through this international experience, she found a passion for helping children in their education while volunteering for several youth causes throughout her studies abroad. When Katie is not at Sylvan you’ll find her enjoying time with family and friends.

Bree Koester
Director of Educational Growth and Development
Bree oversees the educational integrity of our programs, and manages and trains our team of tutors in Johnston. She studied Education at the University of Iowa and is a Certified Leadership Coach. She has four kids ages 8 to 17 & is working towards her Masters in Organizational Leadership at Grand View University. When Bree isn’t at Sylvan, you’ll find her kayaking with her husband, biking, disc golfing or traveling.

Celeste McQuistan
Executive Assistant
Celeste, also known as CC! Is the Executive Assistant at Sylvan Learning Center of Johnston and Community Partnerships. CC assists the Directors with high functioning administrative work such as student and family scheduling and important customer services responsibilities. She also helps facilitate and organize community partnerships, keeping track of community programming, and officiating communications between Sylvan and community partners. She has recently graduated from Iowa State University and spends most of her time outside of Sylvan reading, writing, telling stories, and cheering for the Cyclones!

Tom Bales
Certified Teacher

Bob Geurink
Certified Teacher
Bob has been working at Sylvan for five years! He has taught in Iowa high schools for over 30 years, as an English teacher, the last 21 at Dallas Center-Grimes. He lives in Norwalk with his wife, Brenda, and their two youngest children. He also has two adult children!

Vance Lipovac
Certified Teacher
Vance has been a member of the Sylvan team for almost a decade. He taught professionally for one year in El Paso, Texas for the 1991-92 school year. Vance enjoys movies, gardening, and reading.

Mindy Donovan
Certified Teacher

Pete Woltz
Certified Teacher
Start your child on the path to academic success today
Give us a call at (515) 398-9845 or fill out the form to discuss your child’s learning goals.
