Background
Sigman, David D. was born on April 6, 1942 in Chicago, Illinois, United States.
Sigman, David D. was born on April 6, 1942 in Chicago, Illinois, United States.
University of Illinois (Bachelor of Science, 1965). DePaul University (Juris Doctor, 1968).
Admitted to the bar, 1968, Illinois. 1971, Texas; 1975, United States. Supreme Court; 1986, United States.
Court of Appeals, Fifth Circuit.
Member: Illinois and American (Member, Section on Natural Resources, Energy and Environmental Law) Bar Associations. State Bar of Texas. (Chief Attorney-Environmental Affairs).
Member: Illinois and American (Member, Section on Natural Resources, Energy and Environmental Law) Bar Associations. State Bar of Texas. (Chief Attorney-Environmental Affairs).