Profile Image Placeholder
  • Business Law, Health Care Law, Securities Law
  • California, California, California.
Review This Lawyer
Practice Areas
    Business Law
    Health Care Law
    Securities Law
Additional Practice Areas
  • Compensation & Benefits
  • Corporate Governance
  • Life Sciences
  • Mergers & Acquisitions
  • Practices
  • Private Equity & Fund Formation
  • Venture Law Group/Emerging Companies
Jurisdictions Admitted to Practice
Placeholder image for jurisdictions.
Placeholder image for jurisdictions.
Placeholder image for jurisdictions.
Professional Experience
Heller Ehrman LLP
University of Iowa
Accounting, with highest distinction
Placeholder image for education.
University of California at Berkeley
Boalt Hall School of Law, J.D..
Placeholder image for education.
Professional Associations
Activities: State Bar of California. Mr. Tonsfeldt is a member of the Negotiated Acquisitions Subcommittee of the Business Law Section of the American Bar Association, and is a past member of the Corporations Committee of the Business Law Section of the California State Bar, as well as a past member of the Business Law Section's Task Force on Legal Opinions.
Placeholder image for professional associations.
Websites & Blogs
Contact & Map
275 Middlefield Road
Menlo Park, CA 94025
Telephone: (650) 233-8475
Fax: (650) 324-0638
Toggle tool

There are no recently viewed profiles.

There are no saved profiles.

There are no profiles to compare.