Diego Pantoja-Navajas

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 Gartner Supply Chain Planning Summit in Denver, Scott Luton sat down with Caglar Ozdag, a supply chain leader at ZS. Known for its deep analytics and technology expertise across industries such as life sciences, airlines, consumer goods, and agriculture, ZS has become a trusted partner for organizations looking to elevate their planning and manufacturing performance. Ozdag leads the firm’s supply chain practice with a focus on planning from detailed forecasting through detailed scheduling. As a former practitioner himself—having led planning operations at large global enterprises—he brings a grounded, real-world perspective to the challenges facing today’s supply chain leaders.   Old Problems Persist—and New Ones Are Emerging When asked about classic and emerging challenges in planning, Ozdag didn’t hesitate: firefighting isn’t going away. From supply planning disruptions to last-minute schedule changes, firefighting remains a daily reality. “Life happens,” Ozdag noted. Plans rarely match reality, and organizations must constantly adjust. But today, a new layer has been added: AI uncertainty. Everywhere he goes, leaders are asking the same questions: “Is AI the right investment?” “Will the ROI materialize?” “Are we adopting the right tools, or just chasing hype?” This blend of enduring complexity and emerging skepticism has become a defining…