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Brent Fassett
Partner
Corporate
Boulder
bfassett@wsgr.com

D303-256-5901

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  • Community Leadership

    Brent serves on the board of directors for the Colorado BioScience Association, which champions a collaborative life sciences ecosystem and advocates for a supportive business climate.

  • Corporate and Industry Expertise

    Brent has been recognized as an up-and-coming M&A attorney, a top capital markets practitioner, and a leading life sciences lawyer in industry rankings.

Brent Fassett is a corporate partner in the Boulder office of Wilson Sonsini Goodrich & Rosati, where he represents emerging growth companies and the investors that support them, focusing on the life sciences and medical technology industries. He specializes in venture capital financings, public and private merger and acquisition transactions, IPOs, licensing and commercial agreements, employee compensation plans, public company reporting and disclosure issues, and securities law compliance.

He has also counseled numerous investors, including angels, venture capital funds, and investment banks. He represented these investors in seed round investments, later stage private transactions, including managed private placements and leveraged buyouts, and public offerings of equity and debt securities.

Prior to joining Wilson Sonsini, Brent was a partner in the Denver office of Cooley LLP, where he joined in 1995 and became partner in 2004. Before that, Brent was an associate in the Chicago office of Kirkland & Ellis, where he began his legal career.

Brent serves on the board of directors for the Colorado BioScience Association, which champions a collaborative life sciences ecosystem and advocates for a supportive business climate.

Experience

Brent Fassett is a corporate partner in the Boulder office of Wilson Sonsini Goodrich & Rosati, where he represents emerging growth companies and the investors that support them, focusing on the life sciences and medical technology industries. He specializes in venture capital financings, public and private merger and acquisition transactions, IPOs, licensing and commercial agreements, employee compensation plans, public company reporting and disclosure issues, and securities law compliance.

He has also counseled numerous investors, including angels, venture capital funds, and investment banks. He represented these investors in seed round investments, later stage private transactions, including managed private placements and leveraged buyouts, and public offerings of equity and debt securities.

Prior to joining Wilson Sonsini, Brent was a partner in the Denver office of Cooley LLP, where he joined in 1995 and became partner in 2004. Before that, Brent was an associate in the Chicago office of Kirkland & Ellis, where he began his legal career.

Brent serves on the board of directors for the Colorado BioScience Association, which champions a collaborative life sciences ecosystem and advocates for a supportive business climate.

Education
  • J.D., University of Michigan Law School, 1994

    With Honors

  • B.A., History, University of Michigan, Ann Arbor, 1991

    With Honors

Associations and Memberships
  • Board of Directors, Colorado BioScience Association
Admissions
  • State Bar of Colorado
Credentials
Education
  • J.D., University of Michigan Law School, 1994

    With Honors

  • B.A., History, University of Michigan, Ann Arbor, 1991

    With Honors

Associations and Memberships
  • Board of Directors, Colorado BioScience Association
Admissions
  • State Bar of Colorado
Focus Areas
  • Animal Health
  • Capital Markets
  • Corporate
  • Corporate Life Sciences
  • Emerging Companies and Venture Capital
  • Life Sciences
  • Medical Devices
  • Mergers & Acquisitions
Recent Insights
Client Highlights
Wilson Sonsini Advises Renovare Therapeutics on Company Launch and Collaboration with CU Boulder
On April 6, 2026, Renovare Therapeutics, a privately held biotechnology company pioneering regenerative therapeutics for osteoarthritis, announced its formal launch from stealth mode and collaboration with University of Colorado (CU) Boulder. Wilson Sonsini Goodrich & Rosati advised Renovare Therapeutics on the transaction.
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Client Highlights
Wilson Sonsini Advises Ambrosia Biosciences on $100 Million Oversubscribed Series B Financing
On March 31, 2026, Ambrosia Biosciences, Inc., a privately held drug discovery company, announced a $100 million oversubscribed Series B preferred stock financing. The round was co-led by new investors Blue Owl Healthcare Opportunities, Redmile, and Deep Track Capital. Existing investors BVF Partners and Boulder Ventures also participated, and were joined by additional new investors. Wilson Sonsini Goodrich & Rosati advised Ambrosia Biosciences on the transaction.
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Recent Events
Affiliated Programs
Industry Growth Forum 2026
Wilson Sonsini is proud to be the Platinum Sponsor of the Industry Growth Forum 2026 (IGF), hosted by The National Laboratory of the Rockies (NLR). Since 2023, we have supported NLR’s goal to empower emerging startup companies in the cleantech industry and accelerate partnerships between innovators and investors. This three-day conference features startup pitch competitions, networking opportunities, and insight into emerging technologies.
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Speaking Engagements
Colorado BioScience Association Thought Leadership Series: Finding Success in a Challenging Funding Environment
Wilson Sonsini, in partnership with EY and Colorado BioScience Association, invites you to an in-depth program bringing together leaders, investors, and innovators from across Colorado’s life sciences ecosystem discussing our current funding environment.  
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