In the law firmsPolsinelli P.C. added litigator Bryan M. Westhoff as a shareholder.Westhoff has experience handling a variety of complex domestic and international commercial law cases, arbitrations and government investigations.He was previously with Kaye Scholer LLP.•Lillig & Thorsness Ltd. in Oak Brook added associate Daniel L. Johnson in its business and real estate groups.Johnson advises privately held companies and nonprofit entities on transactional and governance issues.He was previously with Provenza & …