SI 100 Europe - 2015, American -

Jeffrey A. Joerres assumed the role of ManpowerGroup’s executive chairman in May 2014 after 15 years as CEO. Having joined the organisation in 1993, Joerres served as VP of marketing and senior VP of European operations and global account management. He was named CEO in 1999 and chairman in 2001. Under Joerres’ tenure, ManpowerGroup experienced rapid growth, expanding the footprint of the organisation to 3,100 offices across 80 countries and territories. Joerres sits on a number of boards including the Federal Reserve Bank of Chicago.

SI 100 Europe - 2016, American -

As president of Pontoon, Mike Wachholz led Pontoon to become one of the largest global MSP/RPO companies in four years. Pontoon has grown from approximately 650 global employees to more than 1,500, providing services in more than 95 countries. With more than 150 clients, Pontoon has realised a 91% increase in MSP spend and has doubled RPO placements with Wachholz at the helm. Prior to Pontoon, Wachholz was the COO of Beeline.

SI 100 Europe - 2016, American -

Tig Gilliam was appointed CEO of NES Global Talent, a specialist provider of engineering talent solutions, in 2014. He joined the board of directors in 2013. Before NES Global Talent, Gilliam was operating partner for AEA Investors LP, a private equity firm. From 2007 to 2012, he was regional head and executive committee member of Adecco Group North America. Earlier in his career, he was a partner at PwC Consulting and IBM Global Business Services, leading the global supply chain management practice. Gilliam is chairman of NY-based Work Market Inc., the freelance management system used by businesses to manage their independent contractors.

SI 100 Europe - 2018, American -

John L. Marshall III has led The Adecco Group’s North America, UK & Ireland, professional staffing region since April 2017. Prior to this, he was the regional head of UK & Ireland from October 2015 to March 2017. Marshall was a practicing attorney with King & Spalding and AT&T before he joined MPS Group in 1998. He joined MPS Group as deputy general counsel with an emphasis on acquisitions and public company reporting. He was promoted to president of Special Counsel in 2001 and named president of Accounting Principals in 2006. Adecco Group named Marshall president of its US finance, office and legal business unit after it acquired MPS Group in 2010.

SI 100 Europe - 2017, American -

Darryl Green is ManpowerGroup’s president and COO, responsible for operations in 80 countries and territories across the Americas, Asia Pacific and Middle East, and Southern and Northern Europe. Green is a leader focused on driving digital transformation and growth with disciplined execution. He previously served as president of ManpowerGroup’s North America and APME operations. He holds an MBA from the Tuck School of Business at Dartmouth College. Green speaks fluent Japanese and is a director of the Japan Staffing Service Association.

SI 100 Europe - 2014, American -

Chris Hartman is president of Allegis Global Solutions (AGS). He has more than 20 years’ experience with the Allegis Group family, and is responsible for growing the AGS footprint throughout the globe. In his previous role as global development officer for Allegis Group, Hartman was responsible for executing and establishing dominant offerings outside of North America. Before moving over to his global roles, he was a founding member and president of Allegis Group Services. Under his direction, AGS grew into one of the largest MSP and RPO providers.

SI 100 Europe - 2018, American -

Tig Gilliam has been CEO of NES Global Talent, a specialist provider of engineering talent solutions, since 2014. He joined the board in 2013. Prior to NES Global Talent, Gilliam was operating partner for AEA Investors, a private equity firm. From 2007 to 2012, he was regional head and executive committee member of The Adecco Group North America. Earlier in his career, he was a partner at PwC Consulting and IBM Global Business Services, leading the global supply chain management practice. Gilliam is also chairman of New York-based Work Market Inc., a freelance management system used by businesses to manage their independent contractors.