Gwilliam Ivary Chiosso Cavalli & Brewer | 229 followers on LinkedIn. Representing Plaintiffs: Termination/Discrimination, Wrongful Death & Personal Injury. Accepting referrals for 45 years | Gwilliam Ivary Chiosso Cavalli & Brewer is a Bay Area law firm dedicated exclusively to representing people with serious and complex personal injury, wrongful death, employment and consumer law cases. For over 45 years, our mission has been clear: obtain the best possible result for each of our clients and, in so doing, help to create a safer and more just community. The firm was founded by Gary Gwilliam on September 1, 1978 after practicing personal Injury law in Oakland since 1966.