In the law firmsNelson, Hardiman LLP in Los Angeles opened an office in Chicago with the addition of Alex R. Thiersch, the founder and director of the American Med Spa Association (AmSpa).Thiersch, a regulatory attorney for the health-care industry, joins the firm as of counsel.Brinks, Gilson & Lione added Jafon Fearson and Oluwafemi Masha as associates.Fearson was a summer intern at St. Louis chemical and biochemical maker Sigma-Aldrich Co., where he drafted licensing agreements and analyzed biosimilar and generic …