Unimicron Taps UMC’s SC Chien to Lead a Substrate Strategy Overhaul

Unimicron is making a notable leadership move as it reshapes its long-term direction in the advanced substrate business, a key segment tied closely to next-generation semiconductors and high-performance computing demand.

At an investor conference held on February 25, 2026, Unimicron highlighted the company’s latest governance update following a board decision made the previous day. The board approved the appointment of UMC co-president SC Chien as Unimicron’s new chairman and group chief strategy officer. Along with these roles, he is also set to join the company’s Sustainable Development and Nominating Committee, signaling that the leadership transition is designed to influence both corporate strategy and organizational oversight.

The change comes as Unimicron continues to navigate shifting market conditions and evolving customer requirements for substrates, which are essential components in advanced chip packaging. By bringing in a senior executive with deep semiconductor industry experience and assigning him a dual mandate—chairman and chief strategy officer—the company appears to be strengthening decision-making at the top while aligning leadership more directly with strategic planning.

The update also arrives alongside references to Unimicron’s former chairman, Tseng Tzyy-jang, underscoring the significance of the leadership handoff during a period when substrate makers face intense competition, rapid technology transitions, and the need for disciplined capacity and product planning.

For investors and industry watchers following the global semiconductor supply chain, this appointment is worth tracking. Leadership structure often signals how a company plans to prioritize major initiatives—whether that means accelerating high-end substrate development, refining investment strategy, or positioning for future demand from AI, data centers, and advanced packaging ecosystems.

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