Since joining the Mint in 2004, Everhart has created designs for numerous coins and medals, notably the 2014 National Baseball Hall of Fame Commemorative Coins (selected 2016 Coin of the Year), designing the reverse and sculpting both sides of the first curved coins produced by the U.S. Mint.

Don retired from The United States Mint in July of 2017, after over 13 years of service. In February of 2018, Don was awarded the prestigious "Lifetime Achievement Award" from World Coin News in Berlin, Germany.

Although retired from The United States Mint, Don still works on commissions from his home studio in West Chester, Pennsylvania.