Jeff Yass Family
Jeff Yass is married to Janine Coslett Yass, has four children and lives in Haverford, Pennsylvania 18.
Full nameJeffrey Steven Yass
NationalityUnited States
Known forCo-founder of Susquehanna International Group; early ByteDance investor
Wife and children
He is married to Janine Coslett Yass, and they raised four children in Haverford, Pennsylvania, on the Main Line outside Philadelphia 18.
Politics together
Wikipedia reports that he and his wife have spent large sums on political giving 1.
Frequently asked questions
Janine Coslett Yass.
Four.
Sources✓ Verified 14 Nov 2026
1 Wikipedia, Jeff Yass, 1 Sep 2026, Spouse, children
2 ProPublica, Jeff Yass, Susquehanna and TikTok tax avoidance, 1 Jan 1970, Haverford
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