Riley Safer Holmes & Cancila LLP added Alan S. King as a partner. He will chair the firm’s national labor and employment practice.King has experience handling high-stakes cases for businesses and management, as well as highly sensitive workplace investigations. He was previously with Faegre Drinker Biddle & Reath LLP, and he served as the vice chair of legacy firm Drinker Biddle & Reath’s labor and employment group.• Benesch Friedlander Coplan & Aronoff LLP hosted a virtual “B …