Lavelle Law Ltd. added Joseph A. Olszowka Jr. to the firm’s Family and Divorce Law practice group in Schaumburg.Since 1996, Olszowka has been the principal attorney at the Law Offices of Joseph A. Olszowka, Jr., where he litigated hundreds of cases, including complex divorce, parental allocation, parentage, child support, business valuation, adoption and domestic violence cases.• Corcentric Inc. appointed Alex Green senior vice president and general counsel. He was previously chief legal officer …