Mike Brown has been named President of Jescraft, a Bogota, NJ-based manufacturer of material handling equipment and supplies for the concrete, drywall, roofing and other construction-related markets. Brown has nearly 20 years of manufacturing industry experience and was vice president of operations for AMC Inc., a manufacturer of specialty fasteners and systems.

The Portland Cement Association has named Jim Niehoff Director of Residential Construction Programs. He will oversee PCA efforts to expand the use of cement-based products in residential construction and assure coordination with national material allies. He has been with the association for a decade.

Arnco Performance Polymers has named Bill Hory Director of Marketing, and Thomas A. Geriak Director of Market Development for Industrial Maintenance. Hory has responsibility for marketing and business development for urethane systems, including high hardness molding compounds, rigid and flexible foams, cast elastomers, spray elastomers, primers and MDI and TDI prepolymers. Hory joined Arnco in 1995. Geriak has 18 years experience in the industrial maintenance industry. He will be responsible for expanding the company’s line of epoxy and polyurethane coating systems and mortars. Arnco is the world’s largest supplier of polyurethane fill for tires used in construction, and related industries and has facilities in South Gate, Calif.; Berea, Ohio; and Manchester, England.

John Wagner Associates Inc. announces a new managing director for its Grabber Construction Products Division and a new Sales Manager for its Pacific Division. Jack Kroll will succeed Rich Holmberg as Managing Director of Grabber Construction Products, and Martin Kehoe will take the reigns as the Pacific Division Sales Manager. Kroll previously was Purchasing Manager and National Sales Accounts Manager. Kehoe has also been nominated to become a permanent voting member of the JWA Board of Directors.