Cozen O’Connor added insurance litigator Kimberly Petrina, former head of North American casualty claims at a global specialty insurance company, as the newest member of the firm’s global insurance department.Petrina, who joins as a member, will work out of the firm’s Chicago office. Petrina brings a background in insurance policy interpretation, evaluating coverage and extracontractual issues.• Donald W. Russell, who has served as jury room supervisor at the Leighton Criminal Courthouse for 15 years …