Expert Witness, Federal District Court, Association for Retarded Citizens – Pennsylvania v. Commonwealth of Pennsylvania, 1979 – 1981, Judge Edward Becker.
Expert Witness, Federal District Court, Matthews v. Chesterfield County Virginia Public Schools, 1979, Judge Robert Mehridge.
Expert Witness, Federal District Court, Garrity, et al. v. Gallen, et al., Concord, New Hampshire, 1980, Judge Shane Devine.
Expert Witness, Federal District Court, Campbell v. Grosset, et al., Anniston, Alabama, 1980, Judge Robert Vance.
Expert Witness, Federal District Court, Yaris et al. v. Special School District of St. Louis County Missouri, et al., 1982, Judge John Nangle.
Expert Witness, Federal District Court, St. Louis Developmental Disabilities Treatment Center Parents’ Association et al. v. State of Missouri, 1982 – 1983, Judge Elmo Hunter.
Expert Witness, Federal District Court, Association for Retarded Citizens – Connecticut et al. v. Thorne et al., 1983, Magistrate Owen Eagan.
Expert Witness, Federal District Court, Homeward Bound Inc. et al. v. Hissom Memorial Center et al., Tulsa, Oklahoma, 1986, Judge James Ellerson.
Expert Witness, Federal District Court, Grant Wood Area Education Agency v. Knebel, Smith, & Vaughan, Davenport, Iowa, 1987, Judge Harold Vietor.
Expert Witness, Federal District Court, Walter Stephen Jackson, et al. v. Fort Stanton Hospital and Training School, et al., New Mexico, 1989, Judge James Parker.
Expert Witness, Federal District Court, Oberti v. Clementon New Jersey School District, et al., 1992, Judge John Gerry.
Expert Witness, Federal District Court, Association for Retarded Citizens – Connecticut v. Connecticut Board of Education, 1996 – 2000, Judge Robert Chatigny.
Expert Witness, Lamont A et al. v. The Milwaukee Public Schools and the Wisconsin Department of Public Instruction, United States District Court For The Eastern District Of Wisconsin. Case No 01 – C – 0928. 2002.
Expert Witness, Federal District Court, Gaskin et al. v. Commonwealth of Pennsylvania Department of Education et al., Case No. 94 – CV – 4048. Judge Robert Robreno.