Mike Frizzell was named president of the National Truck Equipment Assn. at the group's annual convention. He is president of Sacramento-based Royal ruck body-River City.
Gua Saw is president of Cummins Westport, effective April 1.
Ruan Transoportation has appointed Bob Silverman as vice-president of sales in the Southwest.
The Holland Group announced that Mike Sassanella has joined the company as Trailer OEM account manager.
Autocar has announced the following appointments: Stephen Clark, manager of sales operations; Richard G. Bout, director of national accounts; and Robert Strange, regional sales manager for the Southwest region.
Raymond Greer has been named chief excecutive officer of Transport Indsutries Holdings.
Cindy Gimler has been named chief financial officer of puraDYN Filter Technologies.
Pete Monize was named vice-president of purchasing & wholesale sales at Arrow Truck Sales.
TNT Logistics North America has been promoted Glen Clark to director of safety and training.
Ryder of Canada has appointed Michael Senaratna to vice-president-supply chain solutions and Doug Hill to vice-president-operations, fleet management solutions.
U.S. Liner Co. has appointed Mike Britain head of national dealer sales.
Mack Trucks has named the following powertrain specialists: Scott Barraclough (Northeast and Southeast); Joe Scarnecchia (Cenral and Southwest); and Steven de Sousa (Canada).
Saia has named Mike Evans manager of linehaul in the Atlanta corporate office.