Greg Skrovan

At the 2025 Gartner Supply Chain Planning Summit in Denver, Scott Luton caught up with Justin Siefert, a familiar face in the supply chain community and a leader at John Galt Solutions, a global provider of end-to-end supply chain planning software. From demand and supply planning to inventory and S&OP, John Galt supports organizations across industries with the holistic capabilities needed to thrive in an increasingly unpredictable landscape.   A Company Investing in the Next Generation Before diving into industry trends, Siefert shared an update on one of the programs that sets John Galt apart: its supply chain scholarship program, which awards $10,000 to students pursuing supply chain degrees. This year’s cycle brought in a record number of nominations, with new winners set to be announced in January. It’s an initiative Siefert is proud of—and one that reflects John Galt’s belief in cultivating tomorrow’s leaders.   Old Problems, New Pressures: Planning in a World of Uncertainty When asked about the biggest challenges facing planners today, Siefert didn’t hesitate: uncertainty. While the forms of disruption change—pandemics, geopolitical shifts, demand shocks, evolving portfolios—the underlying challenge remains the same. Planners must anticipate what’s next and respond quickly, often in real time. “No day…

At the 2025 Gartner Supply Chain Planning Summit in Denver, Scott Luton met with John Lash, who leads strategy and vision at e2open, a WiseTech Global Group company. E2open is a global platform powering the entire lifecycle of making, moving, and selling goods, with capabilities spanning planning, logistics, global trade, supply management, and procurement. The platform is designed not just for enterprise visibility but for true end-to-end coordination across extended supply chain ecosystems. Lash emphasized that disruptions rarely originate within a company’s four walls. “Your sub-tiers are where most of the risk lives,” he explained. “That’s where your day-to-day operations—and your long-term strategy—are truly shaped.” It’s a lesson sharply reinforced during the pandemic, which reminded leaders worldwide that no one does supply chain alone.   Old Challenges Intensified by New Realities When Luton asked about the biggest challenges facing planning teams today, Lash pointed immediately to constraints—supply constraints, manufacturing constraints, and now, the added layer of global trade volatility. Trade policies that once shifted every few years now change weekly, daily, or even hourly. Lash offered a striking example: Brazilian coffee duties jumped from 10% to 50% this summer—before returning to 0%. “How do you plan through that?” he asked.…