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Jon O'Connell

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Partner
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Areas of Focus

Overview

Jon O'Connell is a co-lead of the Emerging Companies and Venture Capital practice, a partner in the Corporate Group and a resident in the firm's San Francisco office. He advises startup clients on matters related to corporate governance, venture capital financings, commercial transactions, and mergers and acquisitions. He also represents venture capital funds in equity financings.

Prior to joining the firm, Jon was an early employee and partner at a legal services and technology company providing startups with support to grow and scale their operations. He managed one of the most active venture capital financing teams in the industry having completed over 100 preferred stock equity financings. During his legal career at Am Law 100 firms, he has acted as outside general counsel for hundreds of startups in industries ranging from food tech to fintech.

Career & Education

    • University of California, Santa Barbara, B.A., 2008
    • Santa Clara University School of Law, J.D., 2011
    • University of California, Santa Barbara, B.A., 2008
    • Santa Clara University School of Law, J.D., 2011

    • California
    • California

Jon's Insights

Firm News | 1 min read | 06.10.26

Crowell & Moring Represents Arkaea Media Group in Acquisition of Decoding Bio

June 10, 2026: A Crowell & Moring team represented Arkaea Media Group, a B2B media company covering the defense, space, and nuclear energy sectors, in its acquisition of Decoding Bio, a research and events company focused on the intersection of AI and biotechnology. Decoding Bio publishes a research newsletter with more than 10,000 subscribers and hosts the annual AI x Bio Summit....

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Insights

Firm News | 1 min read | 06.10.26

Crowell & Moring Represents Arkaea Media Group in Acquisition of Decoding Bio

Firm News | 1 min read | 12.02.25

Crowell & Moring Represents Antares in $96 Million Series B

Firm News | 1 min read | 11.24.25

Crowell & Moring Represents Aptible in Strategic Combination With Opti9

Client Alert | 5 min read | 07.22.25

The One Big Beautiful Bill Act Expands Favorable QSBS Treatment

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Practices

Industries

Jon's Insights

Firm News | 1 min read | 06.10.26

Crowell & Moring Represents Arkaea Media Group in Acquisition of Decoding Bio

June 10, 2026: A Crowell & Moring team represented Arkaea Media Group, a B2B media company covering the defense, space, and nuclear energy sectors, in its acquisition of Decoding Bio, a research and events company focused on the intersection of AI and biotechnology. Decoding Bio publishes a research newsletter with more than 10,000 subscribers and hosts the annual AI x Bio Summit....

View All Insights