Marika Frumes founded Mysha to connect high-powered moms.Courtesy of Marika FrumesMarika Frumes founded Mysha because she wanted a community of high-powered moms.She says that executives and founders often have a difficult transition to motherhood.Building a village is similar to networking professionally, she says.This as-told-to essay is based on a conversation with Marika Frumes, founder of Mysha.