David Zyer is a Partner at OCA Ventures, a Chicago-based venture capital firm founded in 1999. See sector focus and contact routes.
David Zyer is a Partner at OCA Ventures, a Chicago-based venture capital firm founded in 1999, where he has served since 2009 after spending over a decade in institutional finance and global capital markets, including as a Managing Director at UBS Investment Bank. He primarily invests in early-stage technology companies, focusing on sectors such as financial technology, enterprise software, SaaS, B2B solutions, healthcare IT, and digital health, with a geographic preference for US and Canada-based startups, particularly in the Midwest and California. While specific check sizes and lead/follow behavior for Zyer individually are not publicly documented, OCA Ventures typically makes equity investments in early-stage companies with growth potential. Notable portfolio companies of OCA Ventures include multiple billion-dollar exits across fintech and digital health, though Zyer’s specific named investments are not explicitly listed in available sources. Zyer is also known for his hands-on partnership approach with founders, reflecting the firm’s operational expertise and deep ecosystem connections, particularly through the University of Chicago Booth School. He
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