Stacey Mullin

Stacey Mullin

Deputy Chief Operating Officer

Blackrock

Stacey Mullin, Managing Director, is BlackRock’s Deputy Chief Operating Officer as well as the firm’s Global Chief of Staff. In her roles, Ms. Mullin helps align the firm horizontally to deliver the spectrum of BlackRock’s capabilities seamlessly to our clients.

As Deputy Chief Operating Officer, Ms. Mullin is responsible for partnering with functional and regional management to support growth and client service across channels, to manage risk, to promote operational efficiency, and to respond to market and regulatory change. In her Chief of Staff role, Ms. Mullin advises senior leadership on strategic priorities and engagements with clients, policymakers, the BlackRock Board of Directors and other key stakeholders around the world.

Prior to her current appointments, Ms. Mullin served as COO for the Europe, Middle East & Africa region, based in London, and before that as COO for the firm’s capital markets businesses. Over the years, she has navigated the firm through major changes in the market and geopolitical environment, including Brexit, Covid and return-to-office, and has helped to refresh our business and financial strategy in response to shifting market trends.

Prior to joining BlackRock, Ms. Mullin was a leader at Oliver Wyman, a financial services consulting firm. She earned a BA degree in Mathematics from Harvard College.

Featured Sessions

Tuesday, October 20, 2026
11:10 am

Stacey Mullin, BlackRock’s Deputy Chief Operating Officer, has spent nearly two decades helping the firm navigate some of the most consequential shifts in modern business – from the Global Financial Crisis and Brexit to Covid and today’s rapid advances in AI. In this fireside chat, Stacey will explore how leaders can turn moments of inflection into opportunities for creativity, growth and innovation. She’ll discuss what it takes to deploy AI at scale in ways that deliver for clients and create great careers for people, while sharing lessons from her own journey growing alongside BlackRock and leading through transformation.