Chemistry founders Mark Goldberg, Kristina Shen and Ethan Kurzweil were "anxious" to get going. "We feel the market is right for this," Kurzweil said.Jamie Viggiano for Chemistry Mark Goldberg, Ethan Kurzweil and Kristina Shen left top jobs at blue chip VC firms to launch Chemistry, a new equal partnership focused on backing Series A startups. After quitting his partner job at venture capital firm Index Ventures in a surprise move last December, Mark Goldberg headed out on holiday vacation with ...