Who We Are

A team of educators dedicated to excellence in math instruction.

Thousands of K-12 schools struggle to meet math performance standards, leaving them at a loss for how to improve results. Strategic Intervention Solutions provides professional development, coaching, and classroom resources to help teachers confidently equip their students to excel in math.

Shannon McCartney

Founder/CEO, SIS4Teachers

Shannon is an international educational consultant, author, and producer. She has over 25 years of teaching experience and is well known for her practical information and enthusiastic style. Shannon works with hundreds of teachers each year within her M³: Molding Math Mindsets professional development & Coaching Series, which embeds numeracy concepts within 21st century teaching and reasoning in mathematics.

Shannon is the creator of the Math Mights, a set of characters that represent math strategies to help students learn to solve problems more than one way, the My Counting Buddy math manipulative, the subitizing superhero Dotson and his Deck o’ Dots, and she has authored many other classroom and curriculum resources to help teachers mold math mindsets in the classroom.

Most recently, Shannon has brought the Math Mights to life as a television series on PBS in conjunction with the Michigan Learning Channel. She has written and produced 200 episodes of The Math Mights Show, as well as countless video tutorials for math games and math strategies available exclusively for M³ Members!

Books & Publications

Counting Buddy Book

Numeracy

Counting Buddy – Jr./Sr.

A unique math manipluative that will engage students and help them develop one-to-one correspondence, recognizing number groups without counting (subitizing), adding and subtracting, understanding missing parts, and more.

Math MIghts Group Shot

Problem Solving

Math Mights

The memorable residents of Mathville help 1-5 grade students build a solid foundation of problem solving strategies, develop a common language around problem solving, and learn to confidently explain their thinking. Learn More >

dotson deck o dots green deck

Subitizing/Numeracy

Deck o’ Dots

Deck o’ Dots are specifically designed without digits to help children subitize (instantly recognize number quantity) in order to develop higher order thinking skills in mathematics. Learn More >

Meet the Team

Megan Bach

Megan Bach

Math Education Consultant

Megan is passionate about helping both students and teachers grow as learners! Megan comes to SIS with over 14 years of experience teaching elementary and middle school, as well experience as a reading and math interventionist and instructional coach.  In addition to her work in schools, Megan served as the Subject Matter Expert for the website Math Moves U, an interactive math website for kids sponsored by Raytheon. 

Megan has a Bachelor’s degree in Elementary Education from the University of Illinois at Urbana-Champaign and a Master’s degree in Curriculum and Instruction. 

Kristin Bertoia

Kristin Bertoia

Math Education Consultant

Kristin Bertoia joins the SIS team with 35 years of dedicated experience within the Plymouth-Canton School District, comprising 32 years as an elementary classroom teacher and 3 years as an instructional coach. Her academic background includes a Bachelor’s degree in Psychology from Albion College and a Master’s in Education from Bank Street College of Education in NYC, specializing in early childhood education. Kristin has always been passionate about teaching students to love math and believe in themselves as mathematicians. She is thrilled to be supporting teachers and students to thrive as math learners and empowered practitioners.

Laura Dzieciolowski

Laura Dzieciolowski

Director of Operations

Laura joined the SIS team in 2017 and keeps all of us organized! She graduated from University of Michigan in 2000 with a bachelor’s degree in business administration, and has 18 years of office manager experience.  Laura keeps the SIS team running by managing professional development projects, product sales fulfillment, and operations of scheduling, invoicing. She enjoys being a part of this educational team.

Cindy Sparks

Cindy Sparks

Math Education Consultant

Cindy earned a B.S. in Elementary Education in 1993 from Ohio and then furthered her education getting her Master’s in Teaching in 1999 from Marygrove College. During the past 30 years, Cindy has had a rewarding career as a teacher in a variety of K-8 classrooms. She spent over 20 years in Riverview Community Schools before retiring in 2021. Cindy then became a math interventionist supporting both students and teachers with their math goals and instruction. Her wish is to continue to share her love of mathematics and inspire teachers to transform their math instruction to provide learning experiences that grow the math minds of their students.

Janae Townsend

Janae Townsend

Math Education Consultant

Janae is a dedicated educator with 27 years of experience in teaching, coaching, and professional development. She holds a B.A. in Elementary Education and an M.A. in Literacy, Learning, and Learning Disabilities from the University of Michigan, along with a graduate degree in Learning Sciences from Northwestern University. After 15 years teaching middle school in Ann Arbor Public Schools, she became an instructional coach in Chicago Public Schools and later an administrator in the Washtenaw Intermediate School District. Now, she focuses on professional development, supporting aspiring teachers and alternative certification programs, driven by her passion for empowering educators and enhancing student learning.

Nancy Wojtowicz

Nancy Wojtowicz

Math Education Consultant

Nancy is a dedicated educator with a passion for teaching mathematics. With a Bachelor’s degree in Elementary Education and a Master’s degree in Early Childhood Education from Eastern Michigan University, Nancy has been making a positive impact in the education community for 30+ years. She received her Reading Recovery Certification from Oakland University and has 18.5 years of experience teaching in first through fifth grade general education and 9 years in Talented and Gifted classrooms, focusing on challenging and inspiring academic growth. Beyond the classroom, Nancy serves as the local union president of the Plymouth-Canton Education Association. Nancy continues to strive for excellence in education by helping educators transform their mathematics instruction for student success.

Scott McCartney

Scott McCartney

Video Producer

Scott, a five-time Emmy-winning storyteller, has a background in news, corporate communications, and multimedia production. A University of Detroit Mercy graduate, he built his career at Good Morning America, producing breaking news and long-form features on major global events like 9/11 and presidential elections.

Back in Michigan, Scott led the Detroit Journalism Cooperative, amplifying underrepresented voices, then drove communications and branding at Ford. As founder of Looga Productions, he specializes in visual storytelling and corporate branding.

Now, as part of the SIS team, Scott applies his editorial expertise and technical skills in video production, editing, and on-location shoots, bringing educational content to life in schools and beyond.

Sherry McElhannon

Sherry McElhannon

Creative & Digital Marketing Specialist

A former teacher/librarian, Sherry serves as a freelance writer/web designer for SIS4Teachers. She is also the cofounder of Literary Fusions, a team of international education consultants dedicated to helping K-12 teachers effectively integrate social studies, reading and writing, and technology in their classrooms. Sherry has a B.A. in English from Baylor University and an M.S. in Library and Information Science from the University of Illinois, Urbana Champaign. She resides in Texas, and is passionate about using her librarian powers of organization for good as she helps capture ideas and communicate them effectively!

info@sis4teachers.org

Canton, MI

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Elementary and Middle School options available