Dave Masotti has been hired as executive VP and chief marketing officer at Call-Net Enterprises Inc. He joins Call-Net from DFM Consulting where he was principal. Prior to that, he was president and CEO at Skulogix Inc. and president of Spar Space Systems. He has also worked at Rogers Cablesystems, Spar Aerospace, Northern Telecom, and Sprint Canada, where he helped develop the company’s entry into the wireless business and on its DSL products.