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Estefano Martinez
Associate
Corporate
Palo Alto
emartinez@wsgr.com

D650-849-3469

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Estefano Martinez is an associate in the Palo Alto office of Wilson Sonsini Goodrich & Rosati, where he advises founders and emerging companies on capital-raising and general corporate matters, from Seed rounds to growth-stage financings of $1 billion or more.

Estefano has represented companies in financings led by investors including Andreessen Horowitz, General Catalyst, Khosla Ventures, Kleiner Perkins, Lightspeed Venture Partners, NVIDIA, and Sequoia Capital. He also advises on secondary sales and other liquidity transactions.

Prior to law school, Estefano founded and led a cleantech start-up in the solar energy sector and later helped develop an accelerator program for start-ups at Millikin University, experience that shapes how he advises founders.

In addition to English, Estefano is fluent in Spanish.

Experience

Estefano Martinez is an associate in the Palo Alto office of Wilson Sonsini Goodrich & Rosati, where he advises founders and emerging companies on capital-raising and general corporate matters, from Seed rounds to growth-stage financings of $1 billion or more.

Estefano has represented companies in financings led by investors including Andreessen Horowitz, General Catalyst, Khosla Ventures, Kleiner Perkins, Lightspeed Venture Partners, NVIDIA, and Sequoia Capital. He also advises on secondary sales and other liquidity transactions.

Prior to law school, Estefano founded and led a cleantech start-up in the solar energy sector and later helped develop an accelerator program for start-ups at Millikin University, experience that shapes how he advises founders.

In addition to English, Estefano is fluent in Spanish.

Education
  • J.D., Indiana University Maurer School of Law, 2021Summa Cum Laude, Order of the Coif
  • Master of Law and Business, Bucerius Law School, 2021
  • B.S., Business Management, Millikin University, 2018Magna Cum Laude
Admissions
  • State Bar of California
Credentials
Education
  • J.D., Indiana University Maurer School of Law, 2021Summa Cum Laude, Order of the Coif
  • Master of Law and Business, Bucerius Law School, 2021
  • B.S., Business Management, Millikin University, 2018Magna Cum Laude
Admissions
  • State Bar of California

Select Transactions

  • TypeSafe AI in its $870 million Series A and $40 million Seed financings
  • Reflection AI in its $2 billion Series B and $130 million Series A financings
  • Base Power in its $1 billion Series D, $1 billion Series C, and $200 million Series B financings
  • TerraFirma in its $100 million Series A financing
  • Slash in its $100 million Series C financing
  • Vals AI in its $40 million Series A financing
Matters

Select Transactions

  • TypeSafe AI in its $870 million Series A and $40 million Seed financings
  • Reflection AI in its $2 billion Series B and $130 million Series A financings
  • Base Power in its $1 billion Series D, $1 billion Series C, and $200 million Series B financings
  • TerraFirma in its $100 million Series A financing
  • Slash in its $100 million Series C financing
  • Vals AI in its $40 million Series A financing
Focus Areas
  • Corporate
  • Emerging Companies and Venture Capital
  • Mergers & Acquisitions
Recent Insights
Client Highlights
Firm Advises TypeSafe AI on $870M Series A Led by a16z at $7.5B Valuation
On October 9, 2026, TypeSafe AI, a company building machine-native AI models, announced it raised a $870 million Series A at a $7.5 billion valuation led by a16z. Sequoia Capital, existing investor DCVC, and other angel investors also participated in the round. Wilson Sonsini Goodrich & Rosati advised TypeSafe AI on the transaction.
Learn More
Client Highlights
Wilson Sonsini Advises TypeSafe AI on $40 Million Seed Round as Company Emerges from Stealth
On September 15, 2026, TypeSafe AI, an AI lab building machine-native, composable AI, emerged from stealth and announced $40 million in seed funding led by DCVC. Wilson Sonsini Goodrich & Rosati advised TypeSafe AI on the transaction.
Learn More
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