Merritt Hummer Contributor Merritt Hummer is a partner at Bain Capital Ventures, where she invests in the fintech, e-commerce and proptech sectors. Startups involved in B2B e-commerce such as Faire and Mirakl have burst out of the gates in 2020. Almost overnight, these startups transformed into consequential platforms, earning billion-dollar valuations along the way. The B2B e-commerce industry has broad reach, encompassing everything from commerce infrastructure and payments technology to procurement and supply-chain solutions. But one area of the B2B e-commerce sector holds outsized promise: marketplaces. These venues for buyers…
