[header] How to become an expert witness [title] Identify common expert witnesses. [step] An expert witness is anyone with expertise in a certain subject matter whose testimony might help the jury understand the evidence and the facts at issue. Many experts are scientists, but not all are. 
Instead, experts can come from a variety of fields, including : [substeps] Human resources real estate and appraisal accounting law biomedical science underwriting software and electronics [title] Consider whether you would like the work. [step] Expert witnesses must read an extensive amount of court documents and be able to synthesize information from a variety of sources.