Jonathan A. Siegel is a principal in the Orange County, California, office of Jackson Lewis P.C. He practices before the Equal Employment Opportunity Commission, National Labor Relations Board, state and federal agencies and courts.

Jonathan also provides advice and counsel regarding labor and employment law with respect to various issues including wage and hour law, reduction in force, WARN Act, corporate restructuring, layoffs, discipline, leave management, harassment and discrimination issues. Jonathan defends employers regarding different varieties of wrongful termination and discrimination claims.