In the law firmsBenesch, Friedlander, Coplan & Aronoff LLP recently named Margo Wolf O’Donnell as co-chair of the labor and employment practice group.She handles cases involving restrictive covenants, employment issues and intellectual property in a variety of business sectors.Her experience includes federal, state and administrative agency litigation involving allegations of sex, race, national origin, disability and age discrimination, wage-and-hour violations and breach of contract.In the bar groupsThe Puerto …