Mark Leslie

Tracked participation in 3 Atlas companies, with 0 explicitly attributed leads.

3portfolio companies

3round participations

0lead positions

Mar 2026latest activity

Capital activity

Portfolio

CompanyLatest valuationFirst → latestRoundsRoleAttributed partner

ALAMI Labs$3.5BMar 2026 → Mar 20261 roundParticipant—

ALAI21 LabsFrontierAI21 Labs (AI21) is an enterprise-focused AI lab building foundation models and “agentic” workflow tooling aimed at…$1.4Kvaluation$796MraisedRecent roundsSeries D · May 2025$300M · Ahren Innovation Capital, Alphabet Inc. +8Series C (oversubscribed completion) · Nov 2023$208M · Ahren Innovation Capital, Comcast Ventures +1Series C · Aug 2023$155M · Amnon Shashua, b2venture +6AI21 Labs$664MJul 2022 → Jul 20221 roundParticipant—

CCresta—Feb 2020 → Feb 20201 roundParticipant—

DateCompanyRoundRaisedValuationRoleEvidence

Mar 10, 2026ALAMI LabsSeed$1B$3.5BParticipant

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Jul 12, 2022ALAI21 LabsFrontierAI21 Labs (AI21) is an enterprise-focused AI lab building foundation models and “agentic” workflow tooling aimed at…$1.4Kvaluation$796MraisedRecent roundsSeries D · May 2025$300M · Ahren Innovation Capital, Alphabet Inc. +8Series C (oversubscribed completion) · Nov 2023$208M · Ahren Innovation Capital, Comcast Ventures +1Series C · Aug 2023$155M · Amnon Shashua, b2venture +6AI21 LabsSeries B$64M$664MParticipant

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Feb 03, 2020CCrestaSeries A$15M—Participant

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DateCompanyRoundRaisedValuationRoleEvidence

Mar 10, 2026ALAMI LabsSeed$1B$3.5BParticipant

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Feb 03, 2020CCrestaSeries A$15M—Participant

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