For the past five years, Jonathan Wilmshurst has run the aggregate group for McCarthy-Bush Corporation, a family owned group of companies based in Davenport, IA. He serves as president for both Linwood Mining and Minerals – a 2 million tons per year underground limestone mine and lime burning facility, and Superior Mineral Company – a sister company to Linwood that is a single operation mineral filler plant in Savage, MN. Prior to this, Wilmshurst was the owner and sole proprietor of the consulting company Jess Resources where he consulted in aggregate-related matters to a wide-range of public entities, businesses, and individuals. The largest project he managed was the evaluation of mineral resources on the 5,000 acre UMore property in Rosemount, MN, owned by the University of Minnesota. The property is now being actively mined.
Wilmshurst spent 22 years with Aggregate Industries, PLC, a publicly held, UK-based company (now part of the Holcim group). From 1994-2001 he served as regional president of the Minnesota and North Dakota operations with 1,000 staff and revenues of $180M. Activities at nearly fifty sites included crushed stone, sand and gravel, recycled concrete, ready mix concrete, asphalt, concrete masonry, pre-cast concrete, contracting, trucking and a marine operation. Wilmshurst is a Fellow of the Institute of Quarrying.
His previous appointments/affiliations include: Minnesota Governor’s Sustainable Development Initiative, Mineral’s Team; Minnesota Governor’s Sustainable Development Round Table; and Governor appointed member of the Mineral Coordinating Committee. He’s been a participant of the Aspen Institute’s Series on the Environment roundtable, and a past chair of Great River Greening, Great Plains Institute for Sustainable Development, and The Nature Conservancy – Minnesota and Dakotas Chapter.