Willard H. Larkner has been hired as regional sales manager for Wayne Engineering Corp., Cedar Falls, Iowa.
Waste Connections Inc., Folsom, Calif., has named Robert Davis to its board of directors.
Ronald B. Briggs has been appointed to the Sterling Heights, Mich.-based McClain Industries Inc. board of directors.
Stephen C. Shaw has retired as CFO of Waste Holdings Inc., Raleigh, N.C. Paul L. Brunswick will serve as interim CFO.
Caterpillar Truck Engine Division, Mossville, Ill., has appointed Steve Brown field operations manager, Gary Blood original equipment manufacturer (OEM) sales manager, John Zimmerman product support manager and Sarah J. Anderson general manager.
SCS Engineers, Long Beach, Calif., has announced that Robert P. Stearns has been named secretary-treasurer of the board of the Environmental Research and Education Foundation (EREF), Washington, D.C. The company also has named David E. Brewer director of its Kansas City, Mo., office, and John Wright as director of federal programs.
Hoover Materials Handling Group Inc., Alpharetta, Ga., has named Douglas R. Silverman marketing manager for its Asset product line and rental business.
Stuart Thorson has been named the sourcing and customer service representative for City Carton Co. Inc.'s recycling facility in Cedar Falls, Iowa.
Black & Veatch Corp., Kansas City, Mo., has named Dwane R. Stone president of its process division.
Jim Langland, vice president of Al-Jon, Ottumwa, Iowa, has been elected to represent the state of Iowa in the Mid-America Port Commission.
Bob Hyres has joined Waste Pro, Longwood, Fla., as senior vice president for marketing and strategic planning.
Rosco Manufacturing Co., Madison, S.D., has named Bill Wilkins director of engineering and Jim Maytum director of quality assurance.
Bay West Inc., St. Paul, Minn., has appointed new members to its board of directors: Martin Wangensteen, vice president of operations; Gene Kuppenbender, vice president of sales; and Lon Larson, treasurer/vice president of finance.
Arrow Truck Sales Inc., Kansas City, Mo., has named George Papp director of fleet sales and marketing.
Dorothy Schaefer has been named application specialist for Iowa Mold Tooling Co. Inc. (IMT), Garner, Iowa.
Kevin F. Lee has been named sales director for Direct Access International, Riviera Beach, Fla.
Jeff Raabe has been named industrial sales manager for Stedman, Aurora, Ind.
Samir Jhaveri has been named vice president of product development for Rubbermaid Commercial Products, Winchester, Va.
Paul L. Vikner has been named president and CEO of Mack Trucks Inc., Allentown, Pa., and Michael Gigou, former president and CEO of Mack since 1996, has been named president and CEO of Volvo Trucks North America Inc., Greensboro, N.C.
Vikner began his trucking career with Volvo in 1972 and held several management positions in the company's international division. In 1995, he became senior vice president of sales, and in 1996 he was named executive vice president of sales and marketing.
Gigou began his career in 1972 with Renault in France, Sweden and the United Kingdom. He has a degree in civil engineering from the Ecole Nationale Supérieure des Arts et Métiers of Paris, and a business degree from IMEDE in Lausanne, Switzerland.