General Info
Mark Siegel, a Partner & Managing Director at Menlo Ventures, specializes in investments in cloud computing, SaaS, and computational biotech. He also shows interest in drones, autonomous vehicle technology, and AI. Some of Mark’s notable investments include DropCam (acquired by Nest), eero (acquired by Amazon), and Tenor (acquired by Google). Mark’s investment check size ranges across cloud infrastructure, fintech, and supply chain and automation sectors. His approach at Menlo Ventures focuses on growth-stage investments, with a focus on fostering partnerships and collaborations in these areas.
Location: Menlo Park, CA
Country: United States of America
Industries:
Investment Regions: EU, NA
Investment Stages: pre-seed, seed
angel-individual
EU, NA
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🤖 AI Activity Report
Status: very-active
AI Reasoning: I found evidence that Mark Siegel (Menlo Ventures) was involved in investments including Recursion (partnered Series B 2017; IPO 2021) and portfolio companies like Pluribus Networks (acquired 2022). More recent Menlo Ventures portfolio pages list investments where Mark Siegel is a partner; Menlo Ventures has investments in 2024-2025 such as Abnormal Security and Anthropic where Menlo is an investor and Mark Siegel is listed on the team page, indicating ongoing activity. I located Menlo Ventures portfolio entries and the team page showing Mark Siegel’s active role; given Menlo’s investments in 2025 and his partner role, his last known investment activity is within the past 6 months, for example Menlo’s investment in Abnormal AI/Anthropic-related financing and other 2025 participations, implying recent activity under 6 months.
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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