Circadian Consulting, LLC (Circadian) provides Environmental Consulting services to the development community. 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. We provide solutions for projects of any size and frequently collaborate with civil engineers, remediation professionals, and landscape installers. We recently partnered with the Problem Solving Institute, to further expand our network and offer additional services including process improvement, project management, and strategic planning.

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.