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Home
Join The SandBox
Meet the Team
FAQ
Mission & Vision
Contact
The SandBox Network
The SandBox Curriculum
Parents Message
The SandBox Pod
More
  • Home
  • Join The SandBox
  • Meet the Team
  • FAQ
  • Mission & Vision
  • Contact
  • The SandBox Network
  • The SandBox Curriculum
  • Parents Message
  • The SandBox Pod
DumpTruck Media
  • Home
  • Join The SandBox
  • Meet the Team
  • FAQ
  • Mission & Vision
  • Contact
  • The SandBox Network
  • The SandBox Curriculum
  • Parents Message
  • The SandBox Pod

Our Team

Our Story: How it Began

Our Story: How it Began

Our Story: How it Began

Henry and Rich connected on the first day of kindergarten, when a friendly Henry (right) kindly offered to give his little green dumptruck to a very distraught Rich (left) so that they could play together in the sandbox.

Henry Heidtmann Co-Founder

Our Story: How it Began

Our Story: How it Began

 Henry is a passionate and gifted educator (Teacher of the Year 2022), who has integrated the power of podcasting into his classroom setting and witnessed first-hand how podcasting helps students markedly improve their speaking skills.

Rich Boerner Co-Founder

Our Story: How it Began

Jessica Branch Digital Marketing

 An award-winning audio creator, Rich has used his voice & production skills to create content for the likes of Audacy, PodcastOne, CBS Radio, Spotify, and more. As a father of three, he is passionate about helping students bring their voices to life.

Jessica Branch Digital Marketing

Julie Heidtmann Instructional Advisor

Jessica Branch Digital Marketing

Jessica fell in love with spoken word media after taking Henry's class in 6th grade. She's been in the education field for over three years, and is thrilled to help the next generation discover their voices and find a passion for podcasting and storytelling. 

Julie Heidtmann Instructional Advisor

Julie Heidtmann Instructional Advisor

Julie Heidtmann Instructional Advisor

 Julie (BS, MAEd) is a veteran mathematics educator at independent and private middle and high schools. Known for building strong relationships and helping students develop confidence and resilience, she brings a deep understanding of how students learn. 

Sayra Boerner Operations Manager

Julie Heidtmann Instructional Advisor

Julie Heidtmann Instructional Advisor

 Sayra's diverse background includes creating an innovative preschool program, teaching multisensory toddler art classes, and working in a functional neurology–based pediatric chiropractic clinic. She’s a creative who loves chocolate-making and yarn crafts. 

A Recent Article

A Recent Article

A Recent Article

 Read more about the how and why behind The SandBox Network in this article in the NCAIS September 8th, 2025 bulletin.

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