Walter M. Sanders has been elevated to president of Day & Zimmermann NPS, the power maintenance contracting unit of Philadelphia-based Day & Zimmermann Group Inc. He joined the firm in 2011 as senior vice president of operations, from a previous role as senior vice president for power construction operations at The Shaw Group Inc.
Peoria, Ill., equipment giant Caterpillar said on Oct. 10 that Stuart L. Levenick, group president for customer and dealer support, and Steven H. Wunning, group president for resource industries, will retire in early 2015. Ed Rapp, group president of construction industries, will replace Wunning, who has led Cat logistics and product support while overseeing the 2011 acquisition of Bucyrus International. Tom Pellette, Caterpillar vice president and Solar Turbines Inc. president, will replace Rapp, who is credited with reinvigorating the company's construction business. Rob Charter, vice president of the excavation division, will replace Levenick, who led Cat's dealer transformation initiative and its purchase of Shin Caterpillar Mitsubishi, a former joint venture in Japan.