Dan Greenheck

Inspirer
DISC Type : di

Owner at Three.js Roadmap

Green Bay, Wisconsin, United States

Overview

Dan Greenheck is an entrepreneur and software engineer specializing in 3D web development. He founded Three. js Roadmap, an educational platform, and consults through DRG Software Solutions. His career includes experience at Microsoft and Blue Origin, and he holds a Masters degree from Marquette University, applying his deep technical background to create immersive web experiences.

Outside of work, Dan is a passionate educator and open-source contributor with over 20 years of coding experience. He enjoys sharing his knowledge of 3D graphics and game development on his YouTube channel, where he has created tutorials for building clones of classic games like SimCity and Minecraft.

His career uniquely blends experience as a navigation engineer at the aerospace company Blue Origin with his current expertise in 3D web technologies.

Personality Overview

Fast Adopter

Confident & Optimistic

Charming & Persuasive

They usually prefer to drive the conversation.  They don’t mind taking a stand if they believe in something. They measure a product on its merit but can be influenced by strong testimonials.

Topics They Care About

3D Web Development
He founded two businesses, Three. js Roadmap and DRG Software Solutions, dedicated to teaching and consulting on 3D web technologies like Three. js and WebGL.
Developer Education
He is passionate about empowering developers by creating accessible courses, technical guides, and video tutorials on 3D graphics and game development.
Indie Game Development
He creates tools and tutorials inspired by classic games, including mesh-fracturing libraries and projects based on SimCity and Minecraft.

Media Appearances

Dan has no verified media appearances

Work History

5-2025
Owner at Three.js Roadmap
7-2024
Owner at DRG Software Solutions LLC
8-2022 - 7-2024
Director of Software & IT at CTech Manufacturing
2-2022 - 8-2022
Senior Software Engineer, iOS at Fleetio
3-2020 - 2-2022
Software Development Engineer II, iOS at Microsoft

Education

2015 - 2016
Graduate level coursework from University of South Florida
2013 - 2015
Master of Science - MS from Marquette University

More Information

Social Presence :

Prographics :

Exp : 5 Location : Green Bay, Wisconsin, United States Job Level : N/A Designation : Owner at Three.js Roadmap
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Insights For Selling To Dan

During A Call Or A Meeting

DO's

  • Keep your pitch focused on the impact but insert some anecdotes into it
  • Look like someone who is on top of their game
  • Clearly address the competitive aspects

DONT's

  • Don’t be too verbose or overly friendly; a little bit, however, is fine
  • Don’t be very informal even if they are being so themselves
  • Don't be unorganized, be prepared for the pitch

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with Dan is

  • Confidence in the product’s value is critical, followed by relationship and a sense of achievement.
  • Will you ever get a clear answer from Dan

  • They will not hesitate to say no if they do not develop conviction.

Insights For Deal Planning

    How fast (or slow) will Dan move?

  • If they develop confidence in your product and you, then they can make fast decisions.
  • Can Dan take some risk or not?

  • If necessary, they have the ability to take risky decisions.

You And Dan

Personality Compatibility


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