Stahlin Non-Metallic Enclosures (Belding, Mich.): David Slivinski is now national sales manager. He has more than 20 years of professional sales management experience at Fischer Flack, (Kendall Electric), and Rockwell Automation. Most recently he served as V.P. of worldwide sales and marketing for GlobalWatt, a business specializing in solar power applications for speciality markets. Slivinski graduated from Michigan Technological University with a major in electrical Engineering.