Cathedral Heights
3706 Macomb St NW
Washington, D.C., DC 20016
Our staff is built to teach each student individually, to develop the skills they need to thrive in mathematics, and to foster a love of learning.
Our staff is built to teach each student individually, to develop the skills they need to thrive in mathematics, and to foster a love of learning.
Riss was born in Matanzas, Cuba, and grew up in Miami, graduating from Ransom Everglades. With a passion for education, Riss previously taught for Breakthrough Miami, where they saw firsthand how vital a strong math foundation is for lifelong success.
Now as Center Director, Riss is dedicated to helping students thrive by making math understandable and fun. When not at Mathnasium, Riss enjoys cooking and spending time with Lenny, their lively 7-year-old lab. They’re proud to lead a center where curiosity is encouraged and students grow in both confidence and skill every day.
Jenny brings over a decade of math education experience and a deep belief that every child can become a confident problem solver. A University of Miami graduate with a dual major in Mathematics and Sociology, she has been with Mathnasium since 2013. Jenny loves helping students discover multiple ways to approach problems and watching their critical thinking blossom.
She brings warmth, creativity, and insight to every session, and finds joy in watching students realize their potential. Jenny’s mission is simple: to make math feel possible, exciting, and even fun—one student at a time.
Elizabeth blends her background in psychology with her passion for education to ensure every Mathnasium center runs smoothly and supportively. A Florida International University graduate and proud mom of two boys, she understands how kids learn best and how to create environments where they can grow.
Whether she’s mentoring staff, supporting students, or cheering from the sidelines at a baseball game, Elizabeth believes in the power of patience, positivity, and snacks. She’s committed to helping every child gain confidence and success in math, and loves being part of a team that makes learning both effective and enjoyable.
Laura co-founded Mathnasium alongside her husband Jonathan, bringing a shared love of education and children into the community. A Wake Forest University graduate with a degree in Business, Laura is also a busy mom of three boys, giving her firsthand insight into the academic needs of families.
Since opening their first center in 2014, she’s been dedicated to making math make sense for students of all ages. Laura’s favorite part of her role is welcoming parents and students into a caring, engaging space where confidence grows and math becomes less intimidating—and even fun.
Jonathan holds a BA in Economics from Wake Forest University and an International MBA from the University of South Carolina and Wirtschaftuniversität Wien in Austria. With nearly 20 years in finance, he knows how vital strong math skills are for success. He brings that knowledge to Mathnasium, where he helps kids build confidence like athletes building muscle through training, encouragement, and the right tools.
As a former lacrosse player and current volunteer coach for his sons' team, Jonathan loves working with kids and believes math mastery is a game-changer for academic and real-world success.
Teach children math so they understand it, master it, and love it. Math can change their lives, and they can change the world.
Are you interested in changing lives through math? We're looking for outstanding individuals with a high level of commitment who are passionate about teaching math. Find out if there's a Mathnasium position that's just right for you!
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