Jonathan Bush is the Founder and CEO of Zus Health, a shared health data platform. See portfolio, sector focus and contact routes.
Jonathan Bush is the Founder and CEO of Zus Health, a shared health data platform, and previously served as co-founder and CEO of athenahealth from 1997 until 2018[3][11]. As an active digital health investor in the Greater Boston area, he primarily targets pre-seed and seed-stage companies in digital health, healthcare IT, and health technology sectors[3][4]. His investment focus centers on solutions that improve healthcare delivery, efficiency, and patient outcomes through data interoperability and scalable software infrastructure[3]. While specific check sizes and lead/follow behavior are not publicly disclosed, his latest recorded investment was a Series B round in Fathom in November 2022[4][6]. Notable portfolio companies include Firefly Health, where he serves as Executive Chairman, as well as Zus Health and athenahealth, which he co-founded[3][5]. Bush is known for his outspoken views on healthcare data interoperability and has publicly emphasized the need for shared health data platforms to modernize care delivery[3][5].
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