Decker is responsible for business development for the information services unit.
In addition, Decker is responsible for content development for VHAseCURE.net , VHA's private extranet that connects its member organizations. Decker began his career as a systems analyst, working in the astrophysics field. He later moved into the health care information-technology field and worked for IBM in sales and marketing from 1988 to 1996. He joined ActaMed in Atlanta in 1996 and led the sales and marketing team that developed ActaMed's Health Information Network Service. He joined VHA in 1997.