Circadian Consulting, LLC was named Chattanooga’s Environmental Consulting firm by Trend in May 2019. Circadian provides Environmental Consulting services to the commercial development community, with extensive experience in environmental management throughout the country. We maintain strong relationships with agency partners to ensure that both your project and our environment are protected. Circadian is also a Certified Disadvantaged Business Entity (DBE) with the Tennessee DOT and Woman Business Enterprise (WBE) with the City of Chattanooga.

Clea Klagstad, MS, CEO


Clea Klagstad, MS, TN-QHP, is an environmental consultant, project manager, botanist, and GIS specialist. With nearly 10 years of experience, Clea has managed dozens of projects in the public and private sectors.

Clea has independently coordinated, managed, and performed work for projects ranging from $5,000 to $1 million through careful time management, attention to detail, and communication.

She has also managed key proponents of environmental projects on multi-billion dollar budgets in various western states, including DOT projects, permit preparation, fieldwork and field crew management, GIS mapping, and the implementation of quality assurance controls. 


Our extensive network of best-in-class small business partners includes civil engineers, structural engineers, remediation professionals, stormwater designers, soil scientists, hardscape designers, and landscape installers. We also offer project and subcontractor management, process improvement, and strategic planning, as part of a network known as the Problem Solving Institute.