Summa Health

Daryl Tol, president of HATCo
Q&A: HATCo president on Summa Health’s progress
By Jessica Hagen | 12:25 pm | November 07, 2025
Daryl Tol, president of General Catalyst’s Health Assurance Transformation Company (HATCo), shares an update on the current state of the venture firm’s healthcare system.
Two people shaking hands by a window while other people watch
General Catalyst's HATCo acquires Summa Health for $485M
By Anthony Vecchione | 04:12 pm | November 08, 2024
HATCo will spend a total of $550 million in capital funding to invest in technologies and innovation.
People standing in a room in front of a window while shaking hands
General Catalyst's HATCo plans to purchase Ohio healthcare system Summa Health
By Jessica Hagen | 07:22 pm | January 17, 2024
The VC firm's business venture, HATCo, announced it signed a letter of intent to purchase the nonprofit healthcare system and shift its focus to value-based care.