A former partner at Wachtell, Lipton, Rosen & Katz who left Wall Street for a career in social work is back practicing law, this time at the firm of one of the top executive compensation lawyers in the country.

Michael S. Katzke, 50, has joined the Bachelder Law Firm, the small, eponymous firm of Joseph E. Bachelder, a prominent lawyer in the world of executive pay and severance packages.