Greg Selman

About the Author

Greg Selman is an author of practical, accessible resources for professionals pursuing careers in environmental services and wastewater treatment. His work emphasizes clear explanations, focused preparation, and useful practice materials that help readers build confidence while studying for certification exams. Selman’s approach combines straightforward instruction with exam-oriented guidance, making complex technical subjects more approachable for aspiring and working wastewater operators. Through his writing, he supports readers seeking to strengthen their knowledge, assess their readiness, and advance their professional qualifications in an essential public-service field.