SI 100 Europe - 2017, Dutch -

Patrick Tiessen is founder and CEO of Nétive VMS, the largest VMS provider based on Salesforce.com in the Benelux. Founded in 2003, Nétive started with two customers and has grown to more than 200 customers in the Netherlands, Belgium, Germany, Italy, Finland and the UK. Nétive focuses on creating the best possible cloud software to manage contingent workforces and recruit permanent staff within one single solution. Before Nétive, Tiessen worked as international IT manager at Kelly Services for eight years. In 2010, Nétive acquired Brightbox HR, the first freelancer management system in Europe, and in 2012 it acquired a VMS solution for SAP customers.

SI 100 Europe - 2021, Dutch -

CEO of the DACH region — Austria, Germany, and Switzerland — at Randstad nv since January 2020, Richard Jager began his career in staffing at the company in 1995 in the Netherlands as a consultant. In 2010, he took over as managing director for Switzerland. Jager notes that during the pandemic, the main focus was on maintaining and securing as many jobs as possible. Jager also serves on Randstad’s global advisory board. With the DACH region having returned to its 2019 level, Randstad is again focused on extending market share. In addition to Randstad, Jager is a member of the advisory board at Nyenrode Business University in Breukelen, Netherlands.

Staffing 100 Europe | 2021

SI 100 Europe - 2015, Dutch -

Wessel van Alphen Sr. is the founder and CEO of IT-Staffing, one of the largest IT specialist staffing firms in the European market and the fifth largest staffing firm in the Netherlands. Van Alphen started his first company in 1978 providing the services of self-employed IT specialists to clients. In December 2013, van Alphen Sr. passed the day-to-day running of the business to his son, Wessel van Alphen Jr., who is director of De Staffing Groep, the parent company of IT-Staffing.

SI 100 Europe - 2014, Dutch -

Jan Arie van Barneveld is CEO of Brunel International nv, a Dutch firm with global operations focusing on the recruitment of professionals in sectors such as IT, engineering, legal and finance. Van Barneveld succeeded founder and major shareholder Jan Brand in 2000, which makes him one of the longest-sitting CEOs in the Dutch staffing market.

SI 100 Europe - 2019, Dutch -

Annemarie Muntz is president of the World Employment Confederation, the voice of the employment industry at the global level. In 2018, she co-chaired the B20 Employment & Education Taskforce where she was a prominent voice in discussions concerning diverse forms of work in the labour market. She had a key role in driving change in the language used to refer to employment contracts, specifically removing the term “non-standard” within the international institutional employers’ community, which includes the International Organisation of Employers OE and the WEC. She previously chaired WEC-Europe from 2005 to 2018. Muntz is also managing director of global public affairs for Randstad and sits on the board of CSR Europe.

SI 100 Europe - 2015, Dutch -

Hans Leentjes joined ManpowerGroup’s executive management team as the executive VP, president of Northern Europe, in January 2011. Previous to this appointment he was the head of ManpowerGroup’s EMEA central region. Leentjes joined ManpowerGroup in 2005 as country manager of the Netherlands, leading the company through a successful new branding implementation, a more client-centric and solution-driven sales approach and the acquisition of Vitae, among other achievements. Leentjes was a board member of ABU, the Dutch association of temporary work agencies, for five years. In May 2014, Leentjes was elected as VP of CIETT, the International Confederation of Private Employment Services.

SI 100 Europe - 2021, Dutch -

A global staffing leader, Dinette Koolhaas is senior VP and president of Kelly International, a role she assumed in 2020. Formerly, she was VP and managing director, EMEA. Based in Switzerland, Koolhaas is focused on driving growth strategies across Kelly operations in Europe, Russia, Mexico and Brazil. Last year, under Koolhaas’ leadership, Kelly successfully executed Kelly Anywhere, a programme designed in 2019 to adopt remote working wholly. Koolhaas was recognized by SIA on its Global Power 150 — Women in Staffing 2020 list and serves on the board of the World Employment Confederation.

Staffing 100 Europe | 2021

SI 100 Europe - 2015, Dutch -

Jacques van den Broek is CEO and chairman of the executive board of Randstad, the second largest staffing firm in the world. He is responsible for Germany, the UK, Australia, New Zealand, China, Hong Kong, Singapore & Malaysia, Business Concept Development, Global Client Solutions, HR, Marketing & Communications, and Public Affairs. Van den Broek joined Randstad in 1988 as a branch manager and has held various position at the company throughout his career. He was appointed to the executive board in 2004.

SI 100 Europe - 2014, Dutch -

Hans Leentjes has been president, Northern Europe and executive VP at ManpowerGroup since 2011. When he joined ManpowerGroup as manager of the Netherlands in 2005, he brought 15 years of employment services experience gained at Randstad. In 2008, he successfully finalized the acquisition of Vitae, a specialty engineering and finance firm with revenues in excess of €74 million.

SI 100 Europe - 2021, Dutch -

Ineke Kooistra, CEO of YoungCapital since 2013, in January 2021 also became CEO of The Works, the holding company behind YoungCapital as well as YoungCapital NEXT, Jobbird.com and StudentJob — with more brands to come. Kooistra aims for the organization to be among the top five in Europe by 2025. The Works is currently active in Germany, Belgium, France, Spain, Austria, the United Kingdom, Ireland, Sweden and Switzerland. A self-described servant leader, Kooistra likes to be a facilitator to her employees and considers it her role to get people moving in the right direction and to motivate and coach them.

Staffing 100 Europe | 2021