Izzy Rosenzweig is the founder and CEO of Portless, the modern e-commerce supply chain, where he covers cross-border fulfillment, tariffs, and the regulatory shifts reshaping global commerce. A 10-year direct-to-consumer veteran, Rosenzweig launched his first company, Browze, in
Jul 24, 2026
Why Selling To One Country Is A Bigger Risk Than Sourcing From One
Brands diversify where they make products but sell almost everything into one market. Learn why single-country sales dependence is the bigger, riskier blind spot.
Jun 30, 2026
Why Moving Production To Vietnam Doesn't End China Dependence
Moving production to Vietnam doesn't end reliance on China. The parts, tooling, and speed still come from China, even when the label says Vietnam.
Jun 15, 2026
Your Importer Of Record Is About To Become Your Biggest Liability
Most founders can't name their importer of record. A new executive order is about to make that the question that decides whether you're exposed.