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Mark Gleason
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At a glance

Mark Gleason

Mark Gleason is a web developer, programmer, and business owner with more than 14 years of hands-on experience building, managing, and improving websites for businesses of all sizes. His background includes serving as Director of Web Development for a marketing company in Peoria, Illinois, where he worked with clients, led development projects, and helped businesses strengthen their online presence.

Primary topics
WordPress, web development, coding, website security, plugin and theme development, and practical technology for business growth.

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Short biography

Mark Gleason is a web developer, programmer, and business owner with more than 14 years of hands-on experience building, managing, and improving websites for businesses of all sizes. His background includes serving as Director of Web Development for a marketing company in Peoria, Illinois, where he worked with clients, led development projects, and helped businesses strengthen their online presence.

Long biography

Mark Gleason is a web developer, programmer, and business owner with more than 14 years of hands-on experience building, managing, and improving websites for businesses of all sizes. His background includes serving as Director of Web Development for a marketing company in Peoria, Illinois, where he worked with clients, led development projects, and helped businesses strengthen their online presence. With a technical background in Computer Science, Web Development, and Computer Programming, Mark has extensive experience working with WordPress themes, plugins, website security, performance, and custom development. Through the Rooted Dev Guides series, he shares practical lessons from his career in a clear, real-world way designed to help business owners, developers, and aspiring programmers build better, safer, and more effective websites.

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Book 7 — Block Development

The block editor has transformed the way modern WordPress websites are built, and developers who understand the block system can create far more than…

Book 6 — JavaScript for WordPress From the Root Up

Modern WordPress development increasingly depends on JavaScript. From block development and administrative interfaces to REST API integrations and interactive front-end experiences, understanding JavaScript gives…

Book 5 — PHP for WordPress Developers From the Root Up

PHP powers much of the WordPress ecosystem, but learning the language becomes much easier when the concepts are connected directly to the platform developers…

Book 4 — Building WordPress Themes From the Root Up

Modern WordPress theme development is about much more than changing colors and creating page templates. Building WordPress Themes From the Root Up teaches developers…

Book 3 — Building WordPress Plugins From the Root Up

WordPress plugins can range from a few lines of code to complete software products used by thousands of websites. Building WordPress Plugins From the…

Book 2 – The Small Business Website Playbook

A small-business website should do more than simply exist online. It should help people understand what your company does, trust your business, find the…

Book 1 -WordPress Security From the Root Up

WordPress security is not about finding one plugin, turning on a few settings, and assuming your website is protected. WordPress Security From the Root…

Conversation starters

Interview topics

  1. 14+ years of web development experience and the lessons I’ve learned building websites, themes, plugins, and custom solutions for real businesses.
  2. WordPress security and development, including why strong websites are built with layered security, clean code, and responsible maintenance.
  3. Helping small businesses grow online through better websites, stronger lead generation, performance, usability, and practical technology.
  4. Turning technical experience into useful products and books, from WordPress themes and plugins to the Rooted Dev Guides series.