Kleinbard was a leading partner of Cleary, Gottlieb, one of the major law firms ("white shoe"), in its tax practice. He then was the head of the Joint Commission on Taxation of the Congress, and now is on the faculty of USC in the Gould School of Law. In his legal practice at Cleary, he was one of the innovators in structured financial instruments, and is widely respected in the legal world. I think he is terrific as a colleague, deep and fun. He is comfortable in the world of practice, government, and scholarship. Quite rare.
This interview on CSPAN does not convey the detailed and balanced character of the book and Kleinbard. But it is a beginning: