Ms. Stacy Janiak

• Deputy Chief Executive Officer
• Deloitte Global

As Deloitte Global Deputy Chief Executive Officer, Stacy Janiak (DePaul University - Class of 1992) oversees businesses and strategic global transformations, in pursuit of optimizing Deloitte's integrated strategy and market impact. Her scope encompasses Deloitte's most strategic global investments, including generative AI and sustainability. Stacy and her team of global business leaders strive to make an impact that matters for clients and create exceptional opportunities for Deloitte's people to grow and thrive.

Beyond her professional responsibilities, Stacy's leadership extends to her community and other important causes. She is a proud graduate and trustee of DePaul University and a board member of Boys & Girls Clubs of Chicago, and Catalyst. 

In addition to her professional and philanthropic endeavors, she is passionate about purpose-driven leadership, and mentoring and developing the next generation of leaders. Her forward-thinking thought leadership has been featured in prominent business publications such as Fortune, Forbes, and Fast Company. 

In 2024, Crain's Chicago Business recognized Stacy as a Notable Leader in Accounting, Consulting & Law. She is a Certified Public Accountant in the US and a member of the American Institute of Certified Public Accountants. In 2025 and 2026, Stacy was featured in Forbes' list of America's Best-In-State CPAs. Stacy and her family reside in Illinois, USA.