Crain’s Chicago Business’ 2026 feature recognizes 135 professionals across accounting, consulting, and law whose work shapes business, civic life, and the courts. The honorees guide clients through high-stakes matters involving transactions, regulatory change, growth strategy, and other critical business decisions. Justin Greis is among this year’s honorees.

“I am deeply grateful to Crain’s for this recognition and honored to be included among so many accomplished leaders who contribute to Chicago’s business community,” said Greis. “I am especially thankful to the clients who have trusted me with their most important challenges, the colleagues and friends who have supported and inspired me, and my family, whose love and encouragement have made this journey possible. Every chapter of my career has been shaped by people willing to share their trust, wisdom, friendship, and belief in what we could build together, and I share this honor with all of them.”

After more than 25 years of advising clients through transformation, growth, and change, Greis founded acceligence in 2025 with a vision to build a modern, AI-powered management consulting firm designed for a new era of business and technology. The firm brings deep expertise in technology, cybersecurity, risk, and strategy to help leaders move forward with clarity and confidence in an increasingly complex world.

In addition to leading acceligence, Greis serves on the National Association of Corporate Directors’ (NACD) Board Advisory Faculty, Ravinia Festival’s executive committee, several private company advisory boards, and the Indiana University Kelley School of Business Dean’s Council.

Greis’s profile appears in the August 17, 2026 edition of Crain’s Chicago Business.

View Greis’s profile: chicagobusiness.com/reprints/2026-notable-leaders-accounting-consulting-law-justin-greis/

Check out the complete list of Crain’s Notable profiles: chicagobusiness.com/recognitions/notable/accounting-consulting-law/2026/

About acceligence

acceligence is an AI-powered management consulting firm dedicated to helping organizations move with clarity, speed, and purpose. We bring together deep expertise in technology, cybersecurity, risk, and strategy to help leaders unlock new possibilities and shape a future they can approach with confidence. Our approach centers on collaboration, insight, and momentum. By combining human expertise with AI-driven intelligence, we help teams see further, act faster, and make decisions grounded in clarity. We work side by side with leaders to turn vision into action and ambition into measurable progress.

Learn more at acceligence.com

Media contact: [email protected]

About Crain’s Notable Leaders

From large corporations to grassroots nonprofits, Crain’s Chicago Business recognizes individuals driving innovation and impact in fields such as construction, law, real estate, and finance, while promoting environmental sustainability, diversity, equity, and community engagement. Selected through a peer nomination and editorial review process, our profiles showcase each honoree’s commitment to advancing their industries and communities.

The 2026 Notable Leaders in Accounting, Consulting & Law include firm leaders, trial lawyers, tax advisers, restructuring specialists, corporate dealmakers, consultants and practice heads guiding clients through litigation, transactions, regulatory change and growth strategy.

Learn more at chicagobusiness.com/recognitions/notables