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Stacy Janiak

Deputy Chief Executive OfficerDeloitte Global

Chicago, IL

Member Since May 2021




Stacy Janiak is a transformative leader committed to making an impact that matters for her clients, the people of Deloitte, and the communities in which she lives and serves. Throughout her 30+ year career with Deloitte, Stacy has held significant leadership roles driving the firm’s strategy with an emphasis on bold, integrated, digitally-enabled business solutions, services, and insights, all while serving as a role model and champion for diversity, equity, and inclusion. As Deputy Chief Executive Officer, she is responsible for driving performance across Deloitte’s $65B network of more than 457,000 professionals. She oversees businesses, strategy, innovation, and technology, in pursuit of optimizing Deloitte’s integrated strategy and impact in the market. Her scope includes Deloitte’s most strategic global investments, inclusive of sustainability & climate and generative AI. Stacy serves on the Deloitte Global Executive Committee and as the Executive Sponsor of Deloitte’s Global office of Generative AI. Most recently, she served as US Managing Partner - Chief Growth Officer, where she was responsible for a $24B client portfolio. Always with a focus on creating a differentiated client experience, Stacy led the acceleration and digital transformation of the firm’s go-to-market assets while bringing the breadth of Deloitte’s solutions to the marketplace. Stacy’s extensive governance experience includes terms on the Deloitte Global Board of Directors, where she chaired the Global Risk & Ethics Committee and US Board, where she chaired the Strategic Investment Committee. She is a proud graduate and trustee of DePaul University and a board member of Boys & Girls Club of Chicago, Catalyst, The Executives’ Club of Chicago, and New Profit, a venture philanthropy organization that backs breakthrough social entrepreneurs who are advancing equity and opportunity. Stacy is passionate about mentoring and developing the next generation of diverse leaders. Her forward-thinking and influential thought leadership has been featured in prominent business publications such as Fortune, Forbes, and Fast Company. She is a sought-after speaker at prestigious industry events including Fortune’s Most Powerful Women Summit, CES, and The Female Quotient’s Equity Lounges where she champions inclusivity and shares insights on modern leadership, corporate governance, crisis resilience, and business growth in a rapidly evolving global environment. Stacy is a Certified Public Accountant in the US and a member of the American Institute of Certified Public Accountants. She and her family reside in Illinois, USA.

Published content

How to drive a company culture of connection


Connections between employees across all levels can be key to ensuring company culture grows in beneficial ways, and leaders can take several measures to help ensure they are supporting the path to this goal.    

Laying the groundwork for growth as we return to workplaces


It has become clear that returning to the workplace encompasses so much more than bringing the workforce back to the physical desks and office spaces they once inhabited.

How leaders can drive growth by embracing inclusive prosperity


As leaders, it’s critical that we embrace a few key principles to truly advance inclusive prosperity.

Why you should prioritize culture for post-pandemic growth


Remarkable times call for a remarkable approach.

Company details

Deloitte Global

Company bio

Deloitte drives progress. Our firms around the world help clients become leaders wherever they choose to compete. Deloitte invests in outstanding people of diverse talents and backgrounds and empowers them to achieve more than they could elsewhere. Our work combines advice with action and integrity. We believe that when our clients and society are stronger, so are we. Deloitte refers to one or more of Deloitte Touche Tohmatsu Limited (“DTTL”), its global network of member firms, and their related entities. DTTL (also referred to as “Deloitte Global”) and each of its member firms are legally separate and independent entities. DTTL does not provide services to clients. Please see to learn more. The content on this page contains general information only, and none of Deloitte Touche Tohmatsu Limited, its member firms, or their related entities (collectively the “Deloitte Network”) is, by means of this publication, rendering professional advice or services. Before making any decision or taking any action that may affect your finances or your business, you should consult a qualified professional adviser. No entity in the Deloitte Network shall be responsible for any loss whatsoever sustained by any person who relies on content from this page.


Corporate leadership

Area of focus

Financial Advisory

Company size

10,001 plus