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Jon O'Connell

Partner
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

Client Alert | 6 min read | 07.22.25

The One Big Beautiful Bill Act Expands Favorable QSBS Treatment

On July 4, 2025, President Trump signed into law the One Big Beautiful Bill Act (the “Act”), after it was passed by Congress on July 3, 2025. Notably, the Act made significant and welcome changes from the perspective of startup company stockholders and venture capital investors to the qualified small business stock (“QSBS”) rules set forth in Internal Revenue Code (“Code”) Section 1202. In a nutshell, the changes modernize (by adjusting for inflation) and expand the already favorable tax treatment for QSBS under Code Section 1202. The Act also permanently reinstates elective expensing for qualifying domestic research and experimental expenditures that will likely help more startups in research and capital intensive sectors qualify for favorable QSBS treatment....

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Insights

Client Alert | 6 min read | 07.22.25

The One Big Beautiful Bill Act Expands Favorable QSBS Treatment

Firm News | 1 min read | 06.30.25

DataBahn.ai Raises $17M Series A To Advance Security-Native Data Pipelines

Firm News | 1 min read | 06.18.25

Crowell & Moring Represents Conveyor in $20M Series B

Firm News | 1 min read | 03.11.25

Crowell & Moring Represents Nuclear Energy Startup Atomic Alchemy in its Acquisition by Oklo

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Practices

Industries

Jon's Insights

Client Alert | 6 min read | 07.22.25

The One Big Beautiful Bill Act Expands Favorable QSBS Treatment

On July 4, 2025, President Trump signed into law the One Big Beautiful Bill Act (the “Act”), after it was passed by Congress on July 3, 2025. Notably, the Act made significant and welcome changes from the perspective of startup company stockholders and venture capital investors to the qualified small business stock (“QSBS”) rules set forth in Internal Revenue Code (“Code”) Section 1202. In a nutshell, the changes modernize (by adjusting for inflation) and expand the already favorable tax treatment for QSBS under Code Section 1202. The Act also permanently reinstates elective expensing for qualifying domestic research and experimental expenditures that will likely help more startups in research and capital intensive sectors qualify for favorable QSBS treatment....

View All Insights