The sobriquet "Morning Mayor" was given to him by Attorney General Terry Goddard.
Pratt began his career at the age of 16 on KELK in his hometown of Elko, Nevada.
Dave Pratt was inducted into the Arizona Broadcaster's Hall of Fame in 2009, and he is the only personality in the history of Arizona radio to be nominated nationally as "Personality of the Year" in both Rock and Country.
In 1981, Pratt joined 98KUPD in Phoenix, Arizona and became one of the most popular morning personalities in the city. During his 2 decades of radio in Arizona, "The Morning Mayor" led KUPD to be named "America's Rock Station of the Year".
In August of 2001, Dave Pratt decided to quit his long term tenure at KUPD due to a disappointment with the change of ownership and station direction.
In January 2002, Pratt joined CBS Radio’s alternative rock station KZON in Arizona, and once again, his show was propelled to the top. KZON quickly became Arizona's new top rated rock station.
Seeking a new challenge and the highest pay in the history of Arizona radio, in 2003 Pratt took his morning show to KMLE, one of Phoenix's two popular country stations. Once again, Dave Pratt in the Morning moved to the top of the country battle as the only personality to ever be nominated nationally as both Personality of the Year for both rock and country.
In 2005, Dave Pratt attended the CMA Awards at Madison Square Garden in New York City where was nominated for Major Market Morning Show of the Year.
In 2008, CBS downsized many major personalities due to falling revenue across all markets and in general, for the radio industry. The remainder of Pratt's contract was paid out by CBS. Pratt remained paid but off the air while the remainder of his contract was paid out by KMLE.
In 2010, Dave Pratt founded America's fastest growing digital network, now with over 150 shows. The network also produces major commercials for clients throughout the nation, produces audio books and produces videomercials for companies of all sizes.
On July 11 of 2016, Pratt added his own 1 hour, daily local television show, "Dave Pratt Live" every weekday at 1PM on CW6. The show as not only renewed in 2017, but promoted with an additional prime time show with a live audience on Sunday nights.
He and his wife Paula reside in [[Paradise Valley, Arizona. They have four children.