AllianceBernstein Appoints Kim Mustin to Head Business Owner Segment with 30% Q1 Growth
AllianceBernstein’s unit Bernstein Private Wealth Management appointed Kim Mustin to lead its fast-growing Business Owner segment, expanding national leadership roles. In Q1 2026, new business run rate topped 30% of full-year 2025 and 75% of advisors serve business owners, highlighting acceleration in a high-margin advisory stream.
1. Leadership Expansion
Bernstein Private Wealth Management promoted Kim Mustin to a national leadership role overseeing its Business Owner segment. Mustin will continue to manage 401(k) and Cash Balance offerings, serve as Co-Senior Managing Director of the New York Region, and report to the Head of Client Service and Advisory.
2. Accelerated Business Owner Growth
In the first quarter of 2026, Bernstein secured new business from its Business Owner segment at a run rate exceeding 30% of total new business in full-year 2025. Seventy-five percent of the firm’s wealth advisors now focus on business owners, underscoring demand for specialized advisory services.
3. Strategic Impact on Advisory Business
The expanded leadership role and rapid segment growth reinforce Bernstein’s strategy to integrate business and personal wealth planning for founders. This initiative aims to drive higher-margin advisory revenues and strengthen long-term client relationships through a holistic family office model.
4. Company Overview
As of December 31, 2025, Bernstein Private Wealth Management managed $156 billion in assets. Its parent, AllianceBernstein, oversees over $867 billion globally, positioning the firm among the largest investment managers across 26 countries.