Management Changes:

Wireless Ronin Technologies Inc. (Minneapolis digital signage solutions provider) has appointed Geoff Obeney, the vp of internet technology for Terra Industries Inc., to its board of directors.

Hollis + Miller Architects (Overland Park, Kan., architecture firm) has hired the following: Win Gregg, project architect; Kim Moritz, administrative assistant; Amy Smith, interior designer; Jennifer Baldridge, branding and marketing communications; and Jason Bahr, structural engineer.

Merger/Acquisition:

C.R. Laurence Co. Inc. (Los Angeles supplier to the glazing, architectural, construction, industrial and automotive industries) has acquired Sommer & Maca Industries, a glass machinery manufacturer.

Business Brief:

Osram Opto Semiconductors (Santa Clara, Calif., provider of opto semiconductors) has opened the last section of its new 600,000-square-foot semiconductor plant in Regensburg, Germany.