Cahill Gordon & Reindel LLP | 7,673 followers on LinkedIn. Cahill Gordon & Reindel LLP was founded in 1919 and quickly built a national reputation for excellence in the financial and corporate areas. During the mid to late 1930's, Cahill earned status as a “Securities Act” firm and during and after the Second World War, under the leadership of John T. Cahill, the legendary former U.S.