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The office H2Online Training dreams of having one day


"Make Like a Precipitate and Rise to the Top."

Our Mission

We believe water and wastewater professionals are critical to the life and well-being of society. So, we create products that support their professional growth, empower them to take control of their time, and inspire ownership in their career.

We just happen to build TCEQ-approved online training courses. 

Our Team

Meet Our Team

Katelyn Hearon, co-founder of H2Online Training

Instructional Lead | Co-Founder

Katelyn C. Hearon

After earning a Bachelor of Arts in Biology from Austin College, Katelyn entered the world of applied environmental science and began to explore her passion for teaching, laboratory science, and water/wastewater treatment.

Currently, Katelyn serves as the Utilities Manager for The City of Lewisville, Texas where she manages the water treatment plant, wastewater treatment plant, plant maintenance division, and utility line maintenance division. A Class A Water and Class A Wastewater license holder, Katelyn is one of an elite cadre of TCEQ instructors to be dubbed AA.

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Instructional Designer | Co-Founder

Mark L. Hearon

Mark holds a Bachelor of Arts in Music from the University of Texas at Austin and draws experience from a variety of roles where he's managed the certification and continuing education of OR professionals, tested software for large financial institutions, co-founded H2Online Training, and taught in Texas public schools at the secondary level.

Currently, Mark serves as the instructional technologist, marketing lead, and web developer for H2Online Training. Never without a side project, he continues to seek new business partnerships and improve his skills in automation, programming, and L&D best practices.

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Mark Hearon, co-founder of H2Online Training

Contact Us


Site Chat


Mon - Sun

8:00 a.m – 5:00 p.m

Off-Hours Support

24/7 by Email

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