Carmichael Lynch Thorburn, the design unit of Interpublic Group's Carmichael Lynch in Minneapolis, has named Pat Weas general manager. Previously an account director at the general agency, Weas will work with CLT founder and executive design director Bill Thorburn on the division's management, overseeing existing accounts, working on new business opportunities and increasing the unit's involvement over the shop's overall client base. For more than five years at CL, Weas worked with clients like American Standard, Tractor Supply Co. and Gibson Guitar. Prior to joining CL, Weas worked at design firm Kuester Partners in Minneapolis. Separately, the agency's public relations division, Carmichael Lynch Spong, hired Rob Litt as a senior associate and Keith Negrin as an associate in the firm's Minneapolis office. They both will work on the Pentair, Select Comfort and General Mills accounts.