Definian helps organizations define what’s next by unlocking the full value of their data. With expertise spanning data strategy, modernization, advanced analytics, and AI, Definian equips leaders to harness data with clarity and precision throughout their digital evolution.

Founded in 1985 as Premier International and rebranded in 2025, Definian has guided thousands of successful initiatives for global enterprises, technology providers, and system integrators. Combining four decades of data expertise with an AI-enhanced approach, Definian ensures organizations achieve measurable outcomes and sustained advantage in a world defined by data.
Premier has the stability of a 40-year-old company with the heart of a start-up. Driven by The Premier Way and our core values, we are relentlessly focused on our clients and their success and we have a great time working together to deliver on our promises. We believe that recruiting and retaining top talent are key to serve our clients, and are proud to have our culture recognized by others as well. Premier has been named one of The Best and Brightest Companies to Work For® in Chicago (2019, 2020 & 2021), one of Crain’s top 100 Best Places to Work in Chicago (2020 & 2021), Inc. 5000 list of America’s Fastest-Growing Private Companies (2021) and recently named one of the Built In US Best Places to Work, Chicago Best Places to Work, US Best Midsize Places to Work and Chicago Best Midsize Places to Work.

Definian

This department provides expert advice and strategic guidance to enhance organizational performance and address client needs.

Consulting Services

This department oversees operations and strategic initiatives within the organization.

Management

This department focuses on integrating, analyzing, and providing insights from data to support decision-making across the organization.

Data Solutions

This department focuses on the processes and technologies involved in transferring data between storage types, formats, or systems.

Data Migration

This department oversees operational strategies and coordination to ensure effective management practices.

Management Services

This department focuses on identifying growth opportunities, building relationships, and strategizing initiatives to enhance market presence.

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Other teams

Management

Data Solutions

Data Migration

Management Services

Business Development