In 1988, Grandy transferred to the Charlotte Regional Office to be a survey supervisor for the Current Population Survey (CPS) and the National Health Interview Survey. He also worked as an area manager for the 1990 Census. Grandy transferred back to headquarters in 1995 to work in the Demographic Surveys Division, developing plans to convert the American Housing Survey from a paper survey to one based on computer-assisted personal interviews. In 1996, he transferred to the Seattle Regional Office to work as a CPS survey supervisor.

In 1997, Grandy was promoted to program coordinator in Philadelphia, where he directed surveys and outreach activities and helped plan for Census 2000. He was promoted to assistant regional census manager in 1998. He then became deputy regional director in 1999, with responsibilities for field operations, recruiting activities, and administration in the five-state Philadelphia Region during Census 2000.

Grandy went back to Suitland as chief of the Decennial Data Collection Branch in Field Division and earned the Census Bureau’s Bronze Medal Award in 2001. He directed all outreach and field enumeration activities for the 2010 Census conducted in the states of Georgia, Alabama, and Florida, overseeing a population count of 33.3 million and housing count of 15.3 million. He received the Bronze Medal Award again in 2011 for his outstanding leadership in helping to change survey data collection and management, which resulted in substantial customer savings.

Grandy earned his bachelor’s degree in business administration from Virginia State University in 1982.