Joan Suchomel was named senior medical planner of Chicago-based Skidmore, Owings & Merrill LLP. She was previously associate vice president in Chicago of Baltimore-based RTKL Associates Inc. Skidmore, Owings & Merrill LLP is an architecture firm.

Chicago-based Loebl Schlossman & Hackl has announced the promotions of David Engh, Craig Smith and David Urschel to associate principals. Engh is a medical planner and project manager, and Smith and Urschel are project directors. Loebl Schlossman & Hackl is an architecture firm.

Chicago-based Bowman, Barrett & Associates Inc. has announced the promotion of Mark Knobel to senior vice president from vice president. Christos Bilissis was named structural engineer. He was previously chief of the Structural Division of the Cook County Highway Department. Bowman, Barrett & Associates Inc. is an engineering firm.

Michael Sullivan was promoted to lead the Retail/Mixed-Use market of Chicago-based OWP/P. He was previously a principal. OWP/P is an architecture, engineering and planning firm.

Greg Freehauf has joined Tinley Park, Ill.-based TCB Design-Build as senior vice president. He was previously a partner of Elgin, Ill.-based IHC Construction Cos. TCB Design-Build is a construction company.

Rosemont, Ill.-based McShane Construction Corp. has announced the promotions of Paul Marucci and William Thomas. Marucci went to senior vice president from vice president, and Thomas moved to senior project manager from project manager. McShane Construction Corp. offers design-build and build-to-suit services.

Laura Powers was named a consultant for Northbrook, Ill.-based Wiss Janney Elstner Associates Inc. She was previously a principal microscopist for Construction Technology Laboratories Inc. in Skokie, Ill. Wiss Janney Elstner Associates Inc. is a structural engineering and architecture firm.

Matthew Nix was named senior real estate director for Rosemont, Ill.-based Opus North Corp. He was previously vice president of development with Oak Brook, Ill.-based Lincoln Property Co. Opus North Corp. is a development and design-build organization.

Bloomington, Ind.-based Weddle Bros. Construction Co. Inc. has announced Kent Powelson was named area manager of its Evansville office. He was previously estimator for Fishers, Ind.-based Bowen Engineering. Lee Keen was named equipment manager. He previously ran Integritech Equipment in Bloomington. Weddle Bros. Construction Co. Inc. is a general contracting firm.

Bobby Jones was named structural technician for Spring Green, Wis.-based Westbrook Associated Engineers Inc. He was previously an engineering technician for Madison, Wis.-based Mead & Hunt. Westbrook Associated Engineers provides engineering, inspection and survey services.

Brian Turk was named planner in the municipal engineering division of Brookfield, Wis.-based R.A. Smith & Associates Inc. He was previously director of planning for the city of Muskego, Wis. R.A. Smith & Associates Inc. is a civil engineering, planning surveying and technical services consultant.

Darcie Gabrisko was promoted to vice president in Joliet, Ill., of Madison, Wis.-based Strand Associates Inc. She was previously director of operations. Strand Associates Inc. is an engineering firm.

Deerfield, Ill.-based Kiferbaum Construction Corp. has announced the promotions of Kipp Dimig to senior project manager from project manager and Brian Paul to project manager from project engineer II. Mark Heffron and Jay Szasz were hired as project engineers I. Both were previously college students. Karen Goff was named accounting assistant. She was previously an administrative assistant for Computer Aided Technology Inc. in Chicago. Kiferbaum Construction Corp. offers design/build and build-to-suit services.

Ronald Luskin was named director of marketing and communications for Madison, Wis.-based Marshall Erdman & Associates. He was previously director of business development in Milwaukee for HGA Architects & Engineers. Marshall Erdman & Associates is a design-build firm.

Jim Kopish was named sales/project manager in the special hazards department of Fond du Lac, Wis.-based J.F. Ahern Co. He was previously an engineered systems manager for Brookfield, Wis.-based Automatic Fire Protection. J.F. Ahern Co. offers mechanical and fire protection services.

Palatine, Ill.-based Multiple Concrete Accessories has promoted Rob Gilson to store manager from outside sales in the company's Brookfield, Wis., office. Pat McGrath was named an outside salesman in the Naperville, Ill., location. He was previously U.S. sales manager for Quebec's Roy Metal Products. Multiple Concrete Accessories supplies tools and materials for concrete applications.

Douglas Sutton, president of Sutton Siding & Remodeling Inc. in Springfield, Ill., was appointed 2004 chairman of the National Association of Home Builders Remodelors Council.