Lorraine M. Tyson focuses her practice on corporate finance, privatization and public finance transactions. She represents insurance companies, pension funds, banks, finance companies and other institutional investors on corporate finance transactions.

Lorraine has acted as bond counsel, underwriter's counsel, remarketing agent counsel, issuer's counsel or letter of credit counsel in connection with financings by the City of Chicago, the State of Illinois, the Regional Transportation Authority, the Illinois Finance Authority, the Illinois Housing Development Authority, Cook County, Illinois and the Board of Education of the City of Chicago. Lorraine has advised clients on various types of tax-exempt and taxable bonds, including general obligation bonds, alternate revenue bonds, limited tax bonds, debt certificates, revenue bonds, Build America bonds, qualified 501(c)(3) bonds, student housing bonds, recovery zone facility bonds, recovery zone economic development bonds, variable rate bonds and current and advance refunding bonds.