It’s about the coaches.

It’s about the experience.

It’s about the expertise.

That’s who TLS is.

TLS is comprised of educators, facilitators, and coaches who live and work in Southeastern Pennsylvania. They have brought their expertise to schools in Berks, Bucks, Chester, Delaware, Montgomery, and Philadelphia counties. TLS brings more than 35 years of experience helping teachers deliver quality teaching that promotes student learning.

Select each person’s name below to learn more about Team TLS.

Dr. Peter Grande

Executive Director

Dr. Peter Grande is a teacher of teachers. Since 1979, Pete has devoted his life to helping teachers and administrators maximize their effectiveness. A...

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Dr. Marcy Hessinger

Admin Programming Lead

Dr. Marcy Hessinger believes that teachers and building principals are a most critical influence on students’ school success. Her passion is to support teachers...

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Scott Heydt

Online Learning Lead

Scott Heydt is the founder and president of RefinED Character, an educational consulting company specializing in social emotional development for K-12, collegiate, and non-profit...

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Julie Kline

Induction Lead

The greatest predictor of student achievement is a teacher’s understanding that the collective efforts of teachers can change student results! John Hattie’s meta-analysis on...

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Rosemary Bilinski

Curriculum Lead

Rosemary Bilinski is a lifelong educator that has served as a teacher, K-12 Instructional Coach, Curriculum Supervisor, and Director of Teaching and Learning. Rosemary...

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Maureen Zavadel

Director of Learning

Maureen (Mo) Zavadel has spent over 20 years in public education empowering teachers and students to reach their highest individual potential. Maureen understands that...

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Becky Duffy

Innovation Officer

Becky Duffy is currently the International Baccalaureate Career-related Programme Coordinator and English Teacher at Plymouth Whitemarsh High School in the Colonial School District. Over...

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