Jason Lemkin – Startup Investor Profile

Jason Lemkin is a Co-Founder and Chief Investment Officer at SaaStr. His investment thesis focuses on exceptional founders, solid financial metrics, and market potential. He invests in SaaS companies like Talkdesk, Algolia, Pipedrive, RainforestQA, and more. Jason’s investments range from seed to late seed stages. He prefers investing in SaaS startups with early product-market fit. His geographical preference extends to various markets. He has a strong track record in building and scaling SaaS businesses. The check size for his investments typically ranges from $1 million to $4 million. Jason’s partnership and collaboration styles involve favoring partners who bring business, help close deals, make customers happy, and fill critical feature gaps on platforms.

Location: Palo Alto, CA

Country: United States of America

Investment Regions: EA, EU, LATAM, MENA, OC, SA, SEA

Investment Stages: pre-seed, seed

Website:

AI Reasoning: Searches show Jason Lemkin announced and discussed investments in 2025 (e.g., mentions on SaaStr and social posts and involvement with portfolio companies). The most recent specific investment-related activity observed referenced 2025 (within the last 6 months but more than 3 months), for example discussion of investments and portfolio activity including companies like Algolia and Talkdesk; this places him in the 6-to-3-months window.

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.