ABOUT US
The PeerTeach mission
Our mission is to empower students to become confident, collaborative learners who support one another in mastering math. By scaffolding the process of peer coaching, we help transform middle school classrooms into vibrant communities where every student thrives academically and socially.
Backed by Respected Education Partners
Team
Our dedicated team shares a vision for the future of education and a commitment to student achievement.
Dr. Soren Rosier
Founder
Soren oversees product development and leads a team of talented engineers, curriculum writers, and designers. He is also a lecturer at Stanford University's Graduate School of Education, where he teaches courses on designing impactful tools for learning and formerly completed his PhD in Learning Sciences and Technology Design. Before PeerTeach, Soren co-led Stanford's Learning Design & Technology Masters program. A Harvard graduate, Soren began his career as a middle school teacher in Oakland and later worked at SRI International, where he developed and evaluated blended learning applications, including well-known ed tech tools like Khan Academy. Residing in Berkeley with his wife Erika and their charismatic cat Morty, the trio loves cheering on the Golden State Warriors and enjoying the East Bay food scene.
Kreg Moccia
Co-Founder
Kreg brings a wealth of K-12 leadership experience to PeerTeach, where he runs school outreach, onboarding, implementation, and support. Kreg spent 8 years as a teacher and school leader at MATCH and Achievement First charter schools. As a teacher, he raised his students’ algebra proficiency from 37% to 92%. As a school leader, he contributed to some of the highest AP exam pass rates among peer charter organizations nationwide. Kreg also managed academics and operations at an online math tutoring company, where he trained a remote team of tutors that served thousands of students across the US and Canada. He holds a BA from Harvard, where he studied alongside Soren, and a MA from the Relay Graduate School of Education. Currently residing in Oakland, Kreg and his wife enjoy exploring the outdoors through hiking, running lively board game nights, and honing their budding pickleball skills.
Jackie Roeber
Curriculum Designer
Jackie designs meaningful, engaging learning experiences for students. She brings over 26 years of experience as an elementary and middle school educator, mathematics specialist, instructional coach, and school administrator. Jackie studied Elementary Education at the University of Wisconsin-Madison. She later earned a masters degree in Curriculum and Instruction from National-Louis University and a masters in Educational Leadership from Arizona State University. Jackie enjoys listening to music, singing, playing the piano, and traveling to beautiful places. Jackie currently lives in Wisconsin and loves spending time with her husband, daughter, stepdaughter, and her two adorable dogs.
Krishan Mourya
Senior Software Engineer
Krishan is the lead engineer on the PeerTeach engineering team. With 9 years of experience as a full stack software developer, Krishan has a proven track record of building innovative and user-friendly technology that improves the lives of others. Krishan has previously worked with health and transportation engineering teams, developing software applications to manage complex challenges in these industries. Krishan is a master of Python, Javascript, React, Nodejs, Rust, and Flutter. Krishan is a collaborative team player who enjoys working with others to solve complex problems and deliver results that exceed expectations.
Katie Kaplan
School Partnerships Manager
Katie is the School Partnerships Manager at PeerTeach, leveraging over a decade of experience in education to build strong relationships with school and district partners. Katie plays a pivotal role in training and onboarding teachers, equipping them with the tools to implement PeerTeach effectively. Before joining the PeerTeach team, she excelled as a classroom teacher, instructional leader, and curriculum developer. Most recently, she worked as an educator and Dean of Mathematics in charter schools. As a former PeerTeach user herself, Katie consistently achieved some of the best results across all PeerTeach classrooms, showcasing her deep understanding of the platform and how to supplement it with effective teaching practices. Katie lives in North Carolina with her husband and their energetic dog, Marlow. In her spare time, you can find her playing golf, pickleball, and board games.
Amy Hu
Learning Experience Designer
Amy is currently an undergraduate at UCSD. She supports the PeerTeach team in developing meaningful learning experiences for students, conducting ongoing research through focus groups and user interviews. Amy also supports the creation of PeerTeach trainings and curriculum as a designer.
Samyak Karnavat
Engineer
Samyak is as a full-stack developer for PeerTeach, specializing in data science, artificial intelligence and machine learning. Previously, he obtained his Bachelor’s degree at UC San Diego and worked as a Software Development Engineer at Amazon.
Sabrina Bedford
2D Art Lead
Sabrina is the lead artist for PeerTeach's interactive educational system, the Galaxy Games. She is responsible for concept designs and asset development including avatars, backgrounds, props, and animations. Sabrina brings a decade of experience illustrating and designing dozens of published book titles and other products in digital and traditional media. She holds a MA in Visual Development from Academy of Art University and a BFA in Art and English from Stanford University. Sabrina currently resides in Santa Clara with her husband Andrew. In her free time, she loves drawing, writing, and hiking.
Careers
We are committed to building a diverse and inclusive workplace that reflects the districts we serve. Our hiring, development, and retention practices ensure a team where everyone feels valued and empowered to make a meaningful impact.
Collaboration is at the heart of our culture, driving innovative solutions and fostering a cohesive team.
We prioritize employee growth and well-being, offering unlimited PTO, flexible schedules, and fully remote work to support both individual and collective success.
EMPOWER STUDENTS AND TRANSFORM YOUR MATH CLASSROOM
