David A. Westenberg

David Westenberg is a partner in the Corporate Practice Group and the Capital Markets Group. He joined the firm in 1983.


Mr. Westenberg has focused on the software, Internet and information technology industries for more than twenty years, guiding numerous start-up clients from formation through venture financing and on to successful acquisitions or IPOs. As outside corporate counsel to many public and private companies, Mr. Westenberg advises clients on a wide variety of corporate, securities, disclosure and governance matters. His transactional experience includes more than 50 IPOs and other capital markets transactions, as well as a large number of venture capital financings and M&A transactions. He is the author of Initial Public Offerings: A Practical Guide to Going Public (Practising Law Institute), a comprehensive yet practical guide to the IPO process that has been hailed for its unprecedented breadth, depth and ease of use and was dubbed the "bible of the IPO market" by The New York Times (The Deal Professor, January 19, 2010).

Good to know

Areas of Practice 1) Corporate
Law School Harvard Law School, J.D., 1983
Education Massachusetts Institute of Technology, S.B.,1979
Bar Member / Association Massachusetts State Bar Association
Most recent firm WilmerHale
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