The Only Nonprofit on the List, Josselyn Earns Recognition Again for Its Rapid Growth and Expanding Impact

Northbrook, IL (June 12, 2025) — Josselyn, a leading Community Mental Health Center, is proud to announce that it has been named to Crain’s Chicago Business Fast 50 list for the second year in a row. As the only nonprofit organization to appear on the list, Josselyn’s back-to-back recognition is a testament to its extraordinary momentum and steadfast commitment to mental health care access in the greater Chicago area.

“Earning a spot on Crain’s Fast 50 list once is an honor. Being recognized two years in a row is a powerful affirmation of our team’s dedication and the growing need for the services we provide,” said Susan Resko, CEO and President of Josselyn. “We are proud to be among Chicago’s fastest-growing organizations, and the only nonprofit again, proving that mission-driven growth can be both scalable and sustainable.”

Josselyn’s continued expansion includes new locations and robust clinical staff hiring. Over the past year, Josselyn has responded to an ever-rising demand, now serving nearly 8,000 clients from more than 300 communities and receiving over 1,000 calls monthly from individuals seeking support.

“Josselyn’s expansion is significantly strengthening the healthcare landscape in Lake County,” said Josselyn Board Member and Northwestern Medicine Lake Forest Hospital President Seamus Collins. “They play a pivotal role in enhancing the overall health and well-being of our community. Josselyn’s impressive growth is a reflection of their unwavering commitment to the mission of making mental health care accessible to all.” 

Crain’s Chicago Business Fast 50 list honors the 50 fastest-growing companies in the region, based on five-year revenue growth, and reflects broader trends shaping the local economy.

  • To learn more about Josselyn’s services, visit josselyn.org.
  • To support Josselyn’s mission of Mental health for all, consider making a gift here.
  • For partnership opportunities, contact us at [email protected].


About Josselyn

Josselyn is a certified Community Mental Health Center that has provided high-quality, accessible mental health services for more than 70 years. Through our clinics in Grayslake, Highland Park, Northbrook, Northfield, and Waukegan, Josselyn delivers therapy, psychiatry, and specialized mental health support to nearly 8,000 clients across 300 communities. 

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