Arthur J. Gallagher & Co. Acquires Dion Leadership, Inc.

Rhea-AI Summary

Arthur J. Gallagher & Co. (NYSE:AJG) has announced the acquisition of Dion Leadership, Inc., a Novi, Michigan-based company specializing in leadership coaching, management training programs, talent assessment, and organizational development consulting services.

The acquisition will strengthen AJG's executive consulting capabilities, with Dion Leadership's team continuing operations from their current location under Steve Coco, Global Managing Director of Gallagher's Talent Consulting operations. Steve Dion and his team will be retained, maintaining continuity in client relationships. Financial terms of the transaction were not disclosed.

Positive

• Strategic expansion of executive consulting capabilities through acquisition
• Retention of existing Dion Leadership team ensures continuity of client relationships
• Complementary addition to Gallagher's global consulting services portfolio

Negative

• Financial terms not disclosed, making impact assessment difficult

ROLLING MEADOWS, Ill., Aug. 4, 2025 /PRNewswire/ -- Arthur J. Gallagher & Co. today announced the acquisition of Novi, Michigan-based Dion Leadership, Inc. Terms of the transaction were not disclosed.

Dion Leadership provides leadership coaching, management training programs, talent assessment and organizational development consulting services to clients in a variety of industries. Steve Dion and his team will remain in their current location under the direction of Steve Coco, Global Managing Director of Gallagher's Talent Consulting operations.

"Dion Leadership's strong client relationships and expertise in leadership and organizational development solutions will expand our capabilities in the executive consulting space," said J. Patrick Gallagher, Jr., Chairman and CEO. "I am delighted to welcome Steve and his associates to Gallagher."

Arthur J. Gallagher & Co. (NYSE:AJG), a global insurance brokerage, risk management and consulting services firm, is headquartered in Rolling Meadows, Illinois. Gallagher provides these services in approximately 130 countries around the world through its owned operations and a network of correspondent brokers and consultants.

Investors: Ray Iardella, VP - Investor Relations	Media: Paul Day, Senior Media Relations Manager
630-285-3661/ ray_iardella@ajg.com	630-285-5946/ paul_day1@ajg.com

 

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SOURCE Arthur J. Gallagher & Co.

FAQ

What company did Arthur J. Gallagher (AJG) acquire in August 2025?

Arthur J. Gallagher acquired Dion Leadership, Inc., a Novi, Michigan-based company specializing in leadership coaching and organizational development consulting services.

How will the Dion Leadership acquisition affect AJG's consulting services?

The acquisition will expand AJG's capabilities in the executive consulting space by adding expertise in leadership and organizational development solutions.

Who will lead Dion Leadership after the AJG acquisition?

Steve Dion and his team will remain in their current location, operating under the direction of Steve Coco, Global Managing Director of Gallagher's Talent Consulting operations.

What services does Dion Leadership provide to AJG's portfolio?

Dion Leadership provides leadership coaching, management training programs, talent assessment, and organizational development consulting services to clients across various industries.

Where is Arthur J. Gallagher & Co. (AJG) headquartered?

AJG is headquartered in Rolling Meadows, Illinois, and operates in approximately 130 countries through owned operations and a network of correspondent brokers and consultants.