Arch Capital Promotes Soares and Schriber to Lead Key Reinsurance Units — Arch Capital Group Ltd.

Event summary

William Soares promoted to CEO of Arch Reinsurance Ltd. in Bermuda, effective immediately.
Jon Schriber elevated to CEO of Arch Reinsurance Company in the U.S., reporting to Jerome Halgan.
Soares joined Arch in 2006 and has led Bermuda operations since 2025; Schriber joined in 2023 as President of U.S. unit.
Promotions underscore focus on underwriting discipline and sustainable growth in reinsurance.

The big picture

Arch Capital's promotions reflect a strategic emphasis on deepening its reinsurance footprint in key markets. With $26.9 billion in capital as of March 2026, the moves signal confidence in Soares' and Schriber's ability to drive underwriting excellence amid evolving industry dynamics. The shifts come as Arch seeks to differentiate itself through disciplined risk management and tailored solutions.

What we're watching

Execution Risk: How Soares and Schriber will translate their underwriting expertise into sustained growth for Arch Re's Bermuda and U.S. operations.
Market Positioning: Whether Arch can solidify its claim as a leading global reinsurer amid competitive pressures.
Strategic Alignment: The pace at which Halgan's leadership team reshapes Arch Re's portfolio to capitalize on specialty risk solutions.