Staffing 100 Europe

Adelle Harrington is vice president of EMEA at KellyOCG, where she is celebrating her 20-year anniversary.

For more than 20 years as deputy CEO of France-based Groupe Crit's management team and president of the temporary employment division, Nathalie Jaoui drove global growth strategy with an emphasis on corporate social responsibility. She was appointed chairman and CEO in 2022.

Agostino Di Maio has served as general manager of Assolavoro, Italy's national association for employment agencies, since 2007.

Executive Director Johnathan Johnson has led NES Fircroft through challenges, new solutions and expansion. Under his leadership, NESF has continued to grow rapidly and maintain its position as one of the largest staffing firms worldwide.

CEO Mark Maesen has steered Actief Group, a €750 million staffing firm, to more than 10% organic growth each year for the past decade.

During her early career as a chemist, Kelly Morton saw a need for knowledgeable recruiters to help scientific businesses grow and decided to combine her passions for people and science. Today, she is STEM Portfolio CEO in the UK and Europe for Impellam Group.

Nicola McQueen has been CEO of NHS Professionals since 2019. With over 20 years' experience in creating effective staffing strategies across both the private and public sectors, McQueen is passionate about championing workforce solutions and staff well-being.

Sven Hennige joined the staffing industry in the late 1990s and started at Robert Half in 1999, where he is now the senior managing director of Central Europe and France.

Since 2007, Even Hagelien has served as director of staffing industry for the Norwegian Federation of Service Industries and Retail Trade (NHO SH). He also sits on the global board of the World Employment Confederation.

A 26-plus year staffing industry veteran, Jilko Andringa is CEO of Brunel International, a €1.2 billion global provider of specialist workforce solutions. Netherlands-based Brunel was ranked by SIA as the 61st-largest staffing firm in the world.

A seasoned leader, Mark Pollok has held various management positions within Trenkwalder Group since 2017 and before that in the Droege Group since 2011. He was appointed as CEO of Trenkwalder in December 2022.

As CEO of the Employment & Recruitment Federation, Geraldine King continues to facilitate its services and upskill offerings.