[3] Graham joined the National Oceanic and Atmospheric Administration (NOAA) in 1994, working as a broadcast meteorologist in Columbus, Mississippi.

[4][5] Following Hurricane Katrina, Graham moved to Washington D.C., becoming chief of meteorological services and briefing congressional committees.

Underpinning part of this Transformation are the NWS Priorities & Action Strategies for the Future[8] - more fondly known as “Ken’s 10” - which are designed to ensure that the NWS remains an indispensable, global leader in providing equitable weather, water, and climate services to decision-makers anytime, anywhere.

In 2005, he won a Bronze medal from the United States Department of Commerce due to his office's actions during Hurricane Katrina.

Graham spoke at the Natural Disaster Expo that took place at the Miami Beach Convention Center in February 2021.