Carlos manages EPA's Brownfields and Land Revitalization Technology Support Center which has an overall goal of advancing best practices and new technologies in cleaning up Brownfield sites. The Brownfields Road Map is a product of the BTSC, which in turn is a collaborative effort between the Superfund Program and the Office of Brownfields and Land Revitalization. Carlos has a broad cross-program perspective on innovative practices in site assessment and cleanup, and he generates and manages knowledge and information on the use of technologies in the Superfund Program. He is currently leading a cross-Agency effort to advance EPA's Principles for Green Remediation.

In recent years he has held other positions including Deputy Director for Environmental Reviews with the United States Trade Representative, and as a special assistant to EPA Administrator Johnson. He has a BS from Colorado State University in Watershed Management and graduate degrees in Environmental and Management from Duke University and an MBA from Georgetown University in DC.