Gary Gillespie

Gary Gillespie

Gary Gillespie is Co-Founder and CEO of Rhodium Systems, the company behind ResorsIT. He spent 17 years leading MDT Software as General Manager, Vice President, and President — guiding the company through a private equity acquisition and subsequent merger. Earlier in his career, Gary worked in the space program and at other software companies. He holds two engineering degrees.


Posted by Gary Gillespie

Open-Source Apps in IT Operations Management: Why Integration Is the Missing Piece Article

Open-Source Apps in IT Operations Management: Why Integration Is the Missing Piece

Gary Gillespie July 09, 2026

Open-source tools offer enterprise-grade IT ops functionality without the licensing costs — but deploying and integrating them takes time most IT teams don’t have.

Read The Full Article
Beyond Single Sign-On (SSO)  The ResorsIT Identity and Access Management (IAM) Solution Article

Beyond Single Sign-On (SSO)
The ResorsIT Identity and Access Management (IAM) Solution

Gary Gillespie June 16, 2026

Most organizations get SSO and consider the identity problem solved. SSO is just the starting point — not the finish line.

Read The Full Article
The Hidden Costs of Managing DNS Manually Article

The Hidden Costs of Managing DNS Manually

Gary Gillespie May 12, 2026

DNS management through provider portals is free in the same way that Notepad is free for writing a screenplay. The tool costs nothing. The inefficiency costs plenty.

Read The Full Article
5 DNS Mistakes That Are Silently Killing Your Email Campaigns Article

5 DNS Mistakes That Are Silently Killing Your Email Campaigns

Gary Gillespie March 13, 2026

Your email platform tells you about delivery. It cannot tell you about the DNS configuration errors that happen before a single message is evaluated. Here are the five mistakes that silently send campaigns to spam.

Read The Full Article
Differentiate Your MSP by Offering Robust DNS Configuration Management Article

Differentiate Your MSP by Offering Robust DNS Configuration Management

Gary Gillespie January 20, 2026

Standing out as a Managed Service Provider requires more than reliable support—it demands strategic differentiation that delivers measurable value to clients.

Read The Full Article
Having Support For Open-Source Software And Saving Money Aren’t Mutually Exclusive Article

Having Support For Open-Source Software And Saving Money Aren’t Mutually Exclusive

Gary Gillespie June 27, 2025

Managing multiple open-source packages and securing reliable support can be a challenge. We provide a unified support model for open-source software integrated into our robust operational platform.

Read The Full Article
Can You Trust Open-Source Software For Critical Business Operations? Article

Can You Trust Open-Source Software For Critical Business Operations?

Gary Gillespie May 26, 2025

Open-source software is a reliable, secure, and cost-effective choice for critical IT and business applications. In fact, you are using a lot more of it than you may realize.

Read The Full Article
DNS and IP Address Management

DNS and IP Address Management

Gary Gillespie May 21, 2025

Explore the powerful features and seamless functionality of our SaaS-based DNS software

Read The Full Article
IT Operations Management Platform

IT Operations Management Platform

Gary Gillespie May 21, 2025

Explore the powerful features and seamless functionality of our SaaS-based DNS software

Read The Full Article
IT Operations Management using Open-Source Software Article

IT Operations Management using Open-Source Software

Gary Gillespie April 28, 2025

Are you looking for an ITOM platform, built with a curated set of open-source tools, that combines the flexibility of open-source software with the scalability of a cloud-hosted solution?

Read The Full Article
Tired of SaaS Solutions You Can’t Modify? Consider an Alternative Article

Tired of SaaS Solutions You Can’t Modify? Consider an Alternative

Gary Gillespie March 27, 2025

Almost all businesses today use some combination of SaaS subscription services. Many work great, but when your business process does not align with the SaaS workflow, you have a problem.

Read The Full Article