SI 100 Europe - 2015, German -

Eckard Gatzke has been CEO of Randstad Germany since 2003. He is responsible for the sales organisation, marketing and communications, and human resources. He is also country general manager for sister companies Tempo-Team, Randstad Professionals, and GULP. Under Gatzke’s leadership, according to research from Staffing Industry Analysts, Randstad Germany has become the largest staffing firm in the country in terms of revenue. Prior to joining Randstad Gatzke distinguished himself as an expert in the restructuring and reorganisation of leading companies in the logistics industry in Germany and Europe. His previous employers include Kuehne & Nagel, TNT, BahnTrans, and Rhenus.

SI 100 Europe - 2022, German -

Ingrid Hofmann is CEO of Hofmann Corp., parent company of global staffing and recruiting agency I.K. Hofmann (also known as Hofmann Personal), which she founded in 1985 in Nuremberg, Germany. She expanded rapidly into Eastern Germany upon the fall of the Berlin Wall in 1989. That same year, the birth of her daughter led to her commitment to make the worlds of work and family compatible. I.K. Hofmann is the fifth-largest staffing firm in Germany and the 22nd largest in Europe. In 2007, Hofmann was awarded the Federal Order of Merit by then-Federal President Horst Köhler.

Staffing 100 Europe | 2022

SI 100 Europe - 2022, German -

As president of the administrative board at persona service, Melanie Vinci is responsible for the operational business of the 217 persona service branches in Germany and the development of recruitment services, especially in the commercial specialist and management area. After joining as a personnel dispatcher in 2013, Vinci worked her way up through the company and attained her current position in January. In 2021, persona service strengthened its market position in Germany by ranking third on the Lünendonk list. In addition to preserving persona’s corporate DNA, Vinci and her team are driving digital transformation to adapt to the modern work era.

Staffing 100 Europe | 2022

SI 100 Europe - 2022, German -

CIO of The Adecco Group since January 2020 and a member of the executive committee since January 2021, Ralf Weissbeck is responsible for the company’s corporate IT infrastructure, enterprise architecture and global solution delivery management. He joined the company in February 2019 as chief technology officer. His career has spanned more than 16 years of IT leadership experience inside global organisations, most recently as CIO at APM Terminals; he has also held executive IT roles at Deutsche Post DHL and Maersk.

Staffing 100 Europe | 2022

SI 100 Europe - 2017, German -

Oktay Erciyaz was promoted to CEO of the Trenkwalder Group AG in May 2017. In addition to managing the group, he focuses on sales, growth and business development. An MBA, Erciyaz has more than 20 years of executive experience in corporate development. He started his career at Preussag AG and worked for various units and divisions of the Bertelsmann Group, especially at the service group Arvato.

SI 100 Europe - 2022, German -

Jan Gupta joined The Adecco Group’s executive committee as president of the global business unit Modis in 2019, focusing on delivering cross-industry expertise in technology and digital engineering consulting, talent services and skilling. In 2021, Modis merged with R&D services and engineering consulting firm Akka to form Akkodis, where Gupta serves as president. A German national with an academic background in mechanical engineering and economics, Gupta holds a doctorate in mechanical engineering from Aachen University. His career spans more than 20 years in the technology industry, most recently as COO and board member of Schunk Group, a German advanced engineering company.

Staffing 100 Europe | 2022

SI 100 Europe - 2020, German -

Staffing 100 Europe | 2020

Sven Hennige is the senior managing director, Central Europe, at Robert Half, the world’s largest specialised recruitment firm, and leads its business in Germany, Switzerland, the Czech Republic, Austria and the Netherlands. Since joining Robert Half in 2000, Hennige has established 11 branches in Germany and is considered one of the market’s skilled experts for the placement of specialists and managers in finance, accounting and banking on temporary as well as permanent basis. This year, Hennige has been leading Robert Half safely through the crisis by communicating transparently with employees.

SI 100 Europe - 2014, German -

Eckard Gatzke has served as CEO of Randstad Germany since 2003. He is responsible for the sales organisation, marketing and communications and human resources. In addition, he contributes as country general manager for Tempo-Team, Randstad Professionals and GULP (sister companies). Under his leadership, Randstad Germany became the leading staffing firm in Germany. Prior to joining Randstad, Gatzke distinguished himself as an expert in the restructuring and reorganisation of leading companies in the logistics industry in Germany and Europe. His previous employers included Kuehne& Nagel, TNT, BahnTrans and Rhenus.

SI 100 Europe - 2018, German -

Henry Schirmer joined Randstad as CFO and member of the executive board in 2018. AS CFO, he leads group finance and accounting, business control, M&A, tax, treasury, business risk and audit, legal, and investor relations. He previously worked with Unilever, most recently as executive VP, finance, for Unilever Europe. From 2012 to 2016, Schirmer led the finance function for Unilever North America. Before that, from 2008 to 2012, he was VP of finance for Unilever Germany, Austria and Switzerland. He was previously a board member of the Results for Development Institute.

SI 100 Europe - 2017, German -

With more than 20 years of recruitment industry experience, Sean Zimdahl is president of Allegis Group’s EMEA operating companies: Aerotek, Aston Carter and TEKsystems. Zimdahl co-founded Aston Carter in 1997 and led a management buy-out in 2007 to Baird Capital Partners Europe; he continued as CEO and the business diversified both by sector and geography. In 2011, the company was acquired by Allegis Group. In 2012, Zimdahl became COO of Allegis Group International, assuming responsibility for integrating the operations across the UK, Europe, Hong Kong and Singapore. In 2013, he became president. In December 2016, Zimdahl oversaw the acquisition of Switzerland-based The Stamford Group. Zimdahl is a past board member of APSCo.