Rosenthal v. Erber illustrates the pressure and perils of dueling experts. The expert is charged with assisting the court ascertain the facts, rather than furthering the client’s ambition. The case is a reminder to business valuation professionals that ethical considerations are paramount and that doing the contrary leads to courts’ suspecting the role of experts in the process. In the main, valuation experts pride themselves on reasoned analysis and well supported use of professional judgement. As a profession, valuators are confident that most reports uphold the demanding standards of the profession. Judges, on the other hand, do not always view…