Here are recent promotions, new hires and other personnel announcements made by staffing firms. Today’s listings include changes at EmploymentGroup, LaSalle Network, CorTech and SiSi Group.

EmploymentGroup named Gary Schuler as executive vice president. Schuler has 25 years of Midwest-based sales and management experience. He most recently served as a senior executive for Cintas Corporation. He will report to EmploymentGroup CEO Mark Lancaster.

LaSalle Network, a Chicago-based staffing provider, promoted Krisi Rossi O’Donnell to vice president of recruiting and staffing. O’Donnell joined the company in 2004 and previously served as managing director of two LaSalle business units: accounting/finance and executive search.

CorTech, a global staffing provider based in Atlanta, announced the managers of four new locations: Randy Akers in Martinsville, Va; Anthony Cox in Louisville, Ky.; Michael Taylor in Florence, Ky.; and Carmen Menchaca in Schaumburg, Ill.

Strategic Insurance Systems Initiatives (SiSi Group), a consulting and technical staffing firm focused on the insurance industry, announced Jerry Kaul joined the management team as a principal. Kaul most recently was with Dell supporting the company’s insurance vertical marketing and sales efforts.