The Colorado Department of Public Health and Environment works to protect and improve the health of Colorado’s people and the quality of its environment.
![Jill Ryan 2020 picture](https://www.ecos.org/wp-content/uploads/2020/01/Jill-Ryan-2020-picture-scaled.jpg)
- Jill Hunsaker Ryan
- Executive Director
![Michael Ogletree](https://www.ecos.org/wp-content/uploads/2024/07/Michael-Ogletree-e1719942636675.jpeg)
- Michael Ogletree
- Director, Air Pollution Control Division
![Nathalie Eddy](https://www.ecos.org/wp-content/uploads/2023/03/Nathalie-headshot-scaled-e1678896607139.jpg)
- Nathalie Eddy
- Director, Environmental Policy