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History of Mack & Associates

Since its founding in 1984 Mack & Associates, Ltd., has proven to be a staffing firm with the unique blend of a boutique agency feel, but having the capacity to manage both small and large assignments. Mack has the successful systems and infrastructure in place to handle these assignments, whether it be for a single Direct-Hire, Temp to Hire, and/or Temporary placement, all the way to a large group of Temporary candidates for short term projects. Charlene Gorzela acquired Mack & Associates, Ltd. in 1991 and began developing a clear vision of her ideal working environment. In 1995, Konvalia Greco joined Mack after proven success with a national firm, and due to her proven leadership skills, became President in 2005, and CEO in 2017. Together, they led Mack to being an accomplished staffing firm that many of our clients’ think of as Chicago’s best, most knowledgeable, and favorite staffing firm. Under Konvalia’s leadership, Mack is proud to have received the Women Business Enterprise Certification.

It is essential to Mack that we continue to develop our staffing business and maintain expertise in the Chicago market in order to meet the needs of our valued clients and candidates. Our Core Values were created collectively with leadership and team, to express and define how Mack operates every day for our company clients and candidate clients. We believe our Core Values are essential to our continued success.

Mack & Associates, Ltd. has continued to grow and expand the services we offer in order to exceed our client’s and candidate’s expectations of what a staffing firm should be. Such programs and developments include the popular withHonors program with American Express that recognizes outstanding temporary employees. Mack has become a firm where employees, employers, and job seekers feel that their needs are being heard, understood, and met beyond their expectations.

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p.312.368.0677 f.312.368.1868  |  100 North LaSalle Street Suite 2110 Chicago, Illinois 60602  
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