When it comes to building Kansas City, Dr. Troy Nash and a firm in which he is a principal—Newmark Grubb Zimmer—have certainly left their mark. Lifelong Devotion to Kansas City A lifelong Kansas City native, Nash graduated from Kansas City public schools and has devoted his adult life working to build the Kansas City community. Elected in 1999 at age 29 to the KCMO City Council, Nash served as chairman…