Gage is a Michigan native. He was born and raised in suburban Detroit. He graduated from the University of Michigan (’72) and attended graduate school at Wayne State University.

Gage began his professional career in 1974 as an survey research analyst at Market Opinion Research (MOR). MOR’s political group was founded and led by Robert M. Teeter who is considered by many as one of the true innovators of political campaign research. Gage has participated in various capacities in the last 9 GOP presidential campaigns.

In 2003, Gage founded TargetPoint Consulting, Inc. and created MicroTargeting, which ushered in a new era in consumer/voter targeting. Today, TPC is the leading provider of Communication Data, Information & Intelligence.