David Westenberg is a partner in WilmerHale's Corporate Practice Group. He joined the firm in 1983. Mr. Westenberg has focused on the software, Internet and information technology industries for more than twenty years. He has advised industry pioneers and world leaders such as Arch Wireless, Boston Technology, Panera Bread, Prodigy and Varian Semiconductor. He has also counseled numerous start-ups, helping guide 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 practice focuses on public offerings, venture capital financings and M&A transactions.