General Info
Zack Urlocker is an investor who specializes in product strategy and scaling B2B startups. He has made investments in companies such as Sisense, Castle, and Erply Retail POS. One of his unicorns in the portfolio is Sisense. His investments range across sectors like Enterprise Applications and High Tech, with a focus on the United States and Israel. Zack Urlocker’s investment check size varies based on the round, with recent investments including a Series A Round in Castle in February 2019. His partnership and collaboration style is described as humble, kind, collaborative, and easy to work with.
Location: Ann Arbor, MI
Country: United States of America
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Investment Regions:
Investment Stages: pre-seed, seed
Website: www.theopenforce.com
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🤖 AI Activity Report
Status: not-found
AI Reasoning: Searches for ‘Zack Urlocker’ show public profiles, speaking posts, and roles (Index Ventures, COO roles) and mention past investments like Sisense and Castle (Series A 2019). I found no verifiable recent investment activity (in 2023-2025) or deal announcements that indicate a known investment within the last 12 months. The most recent investment referenced is Castle in February 2019; no later investment transactions were found in public sources to determine recent activity. Therefore, there is insufficient evidence of recent investment activity.
Angel activity thresholds:
Low Activity – Only known angel investments more than 12 months ago.
Active – Known angel investments between the last 12 and 6 months.
Very Active – Known angel investments in the last 6 months.
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