In the law firmsKlein, Thorpe & Jenkins Ltd. announced that Dennis G. Walsh has become president of the law firm.Walsh practices a variety of general and municipal law matters, including litigation, civil rights and environmental issues.•Michael, Best & Friedrich LLP held a firmwide volunteer day led by its recently appointed diversity and inclusion committee chair Jorge M. Leon on Sept. 30.Best Efforts Day provided one way for Michael, Best employees to give back to the surrounding communities.•Arnstein  …