Industrial staffing provider The Peoplelink Group promoted President and COO Jay Mattern to CEO, effective March 13.

Mattern joined the firm in 1987 when it was family-owned; he took over the president role in 2014.

Peoplelink Group ranks No. 38 on Staffing Industry Analysts’ 2015 list of largest US staffing firms and No. 16 on the list of largest industry staffing firms. It is majority owned by Groupe Crit, a Paris-based staffing provider, which acquired a majority share in PeopleLink in September 2011.