Pepper Hamilton is hosting and sponsoring the Cleantech Open Northeast mentor and semifinalist networking event and cocktail reception. This mixer is for mentors and semifinalist team members to meet and get to know one another during an exciting speed networking session with some of the area's most innovative business and technology leaders. This year's mentor pool includes corporate executives, successful entrepreneurs, and representatives from law, venture capital, consulting and accounting firms. Pepper partner Gregory D. Len will give a welcome and introduction.