Meet the Team

Greg Haling, P.E.


Mr. Haling is a registered civil engineer, from CSUC, Principal-in-Charge/Owner of Haling & Associates with over 35 years of experience in water quality, wastewater collection and treatment, solid waste management, and environmental site investigation and remediation. He is experienced in facilities planning, design, preparation of plans and specifications, and permitting for water distribution systems and wastewater collection systems.  Mr. Haling has directed the design and implementation of numerous projects throughout Northern California.

Dave Ivy, P.E.


Mr. Dave Ivy is a retired Senior Project Engineer at Haling & Associates and now serves in a consulting role. As a licensed civil and mechanical engineer, he has over 40 years of experience in civil, environmental, and mechanical engineering in California. One particular area of interest to him is storm water related issues. He has analyzed, modeled, and designed systems for small residential through large scale commercial developments.

Joseph McConnell, E.I.T.

Joseph McConnell is a Staff Engineer at Haling & Associates. He recently earned his E.I.T. and graduated from Chico State with a Bachelor of Science in Civil Engineering. Beginning as an intern during his sophomore year of college, he has been working at Haling & Associates for close to 3 years. He is currently working toward his civil engineering license. Some of his particular areas experience include civil drafting and environmental monitoring, reporting, and compliance.

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Jesse Rath

Jesse Rath is a Staff Engineer at Haling & Associates. He graduated from Chico State with a Bachelor of Science in Mechanical and Mechatronic Engineering. Since joining the team in 2022, he has spent time working hands-on out in the field with environmental monitoring and behind the desk drafting and doing data analysis.