for entrep
A LAW FIRM FOR ENTREPRENEURS

From formation to financing to exit, O&A is your partner at every step of your entrepreneurship journey.

for entrep
startups
FOR NEW STARTUPS

We've helped hundreds of companies get their start. And O&A's exclusive StartupProgram.com – or SUP – gives you the safest, most cost-effective way to form your company.

startups
established
FOR ESTABLISHED COMPANIES

From early seed and angel investing to venture capital and a successful exit, O&A is your partner throughout the life of your company.

established
investors
FOR VENTURE INVESTORS

O&A is a deal-maker, providing investors with the legal foundation for seed, angel, and preferred equity rounds of financing, as well as mergers and acquisitions.

investors
Copyright and Artificial Intelligence: Navigating a New Frontier
Copyright and Artificial Intelligence: Navigating a New Frontier
Copyright and Artificial Intelligence: Navigating a New Frontier
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our clients

From tech titans to first time startups, we partner with clients of all sizes and at many points on the path to entrepreneurial success.
virtuos

Meet the team

Dan Offner

O&A Founder and Managing Partner Dan Offner has served the startup, tech and content communities for over 30 years. He is also the CEO and founder of SUP - StartupProgram.com - and a longtime venture investor.

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Michael Borenstein

Michael, who has been a partner at 0&A for more than six years, leads our Privacy Law group.

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Afshin Hakim

Afshin has more than 20 years’ experience representing startup, emerging growth, and middle market companies.

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Andrew Yang

Andrew brings a computing background to his corporate, commercial, and data privacy work for O&A’s clients.

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Vivian Le

Vivian is a corporate and commercial associate, and works on mergers and acquisitions, venture financings, and licensing and commercial agreements.

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Claudia Herrera

Claudia is a corporate and commercial attorney with a background in transactional corporate, intellectual property, and entertainment law.

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Sharthak Mukhopadhyay

Shar is a corporate and commercial attorney whose practice includes venture financings, matters related to cryptocurrency, mergers and acquisitions, corporate governance, and entity formation.

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Liana Minassian

Liana is a corporate and commercial attorney at O&A, P.C. Her practice includes mergers and acquisitions, venture financings, corporate governance, entity formation, and licensing and commercial agreements.

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Paralegals and staff

Our paralegals and staff are the heroes of O&A, getting the hard stuff done and ensuring our clients are taken care of.

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