About Us

A small, woman-owned ecological consulting firm based in Denver, Colorado, Collective Ecological aims to work together with clients and the environment, to find innovative ideas and solutions to conservation and management projects based on the most recent scientific research. CEC was formed in 2016 by ecologist Melissa Greulich of Denver. Since forming, CEC has worked with State agencies, non-profits, and private entities on various conservation and natural resources projects. Take a look at our projects page to see what we have been working on.

Qualifications, Licenses, Permits

  • USFWS Yellow-billed Cuckoo Survey Permit

  • Certified Ecologist with the Ecological Society of America

  • Certified Disadvantaged Business Enterprise (DBE) with Colorado Department of Transportation (CDOT)

  • Certified Woman-owned Emerging Business (WBE), Small Business Enterprise (SBE), and Emerging Business Enterprise (EBE)  with the City and County of Denver

  • Colorado Parks and Wildlife

  • Defenders of Wildlife

  • El Paso County

  • Palmer Land Trust

  • West Elks Ecological Consulting

  • Adaptation Environmental Services

  • Jefferson County Open Space

  • ERO Resources Corporation

  • Art C. Klein Construction

Our Partners and Clients

“All ethics so far evolved rest upon a single premise: that the individual is a member of a community of interdependent parts.The land ethic simply enlarges the boundaries of the community to include soils, waters, plants and animals, or collectively the land.” 

Aldo Leopold, A Sand County Almanac.

©2019 by Collective Ecological Consulting, LLC.