• O'Brian Tarping Systems, Wilson, N.C., has named Paul Rosencrans vice president of sales.

  • Heil Environmental Industries, Chattanooga, Tenn., has promoted Dan Rosen to lead the company's product management team.

  • Vecoplan, High Point, N.C., has named Jeff Wolfe regional manager of its solid waste division.

  • Joe Liello has been promoted to senior engineer of RMT Inc., Brookfield, Wis. in its solid waste division.

  • David Hernandez has been appointed certification coordinator for the Solid Waste Association of North America (SWANA), Silver Spring, Md.

  • Waukesha Engine, Waukesha, Wis., has appointed Joseph Lange eastern regional manager, power generation sales.

  • Terry Mennen has assumed duties as director of sales for vocational accounts at Hendrickson, Woodridge, Ill., and Sean Coleman is now director of sales, OEM truck products.