Dinette Koolhaas

Dinette Koolhaas

Senior Vice President, EMEA Operations


Based in Switzerland, Dinette Koolhaas leads operations and oversees growth strategies across Europe, the Middle East and Africa (EMEA) for Kelly Services. Kelly is a global staffing provider of workforce solutions, always thinking about what’s next in the story of work, connecting talented people to companies in need of their skills and designing talent strategies that help businesses embrace the value of all workers and workstyles.

As senior vice president for Kelly’s EMEA operations, Dinette’s work requires flexibility while working among cultural differences. Her colleagues said she has a reputation as a leader who positively transforms businesses with risk-taking approaches to meet business goals. 

Raised in a high-energy entrepreneurial family with a positive mindset, Dinette learned early in her career to balance strategic thinking with a keen eye for operational detail. This has allowed her to develop strong teams, build solid customer relationships, suggest the appropriate operational course and follow through to ensure positive results.

She joined Kelly Services in 2008 as vice president and regional general manager for Western Europe where she was responsible for leading eight country general managers to deliver on regional and country-specific growth strategies.  With a focus on specialization and verticalization, life sciences, and permanent fee business, Dinette helped strengthen Kelly’s regional position and competitiveness in the western European market. She was promoted to vice president and operations leader for EMEA in 2013. Throughout her tenure she has played a crucial role in the region’s ability to deliver solid returns, developing strong teams and implementing flexible operating models that enable the region to contribute more profit to Kelly’s bottom line.

Dinette started her career as a consultant at a logistic consultancy agency in Holland before moving to USG People with whom she remained for more than 12 years. During that period, she worked as a general manager at specialized staffing companies such as Unique and Secretary Plus, and as a regional director at a large volume business specialist Start People.

Dinette holds a master’s degree in Business Administration from the Business School Netherlands and serves on the board of the World Employment Confederation. She also serves on the board of directors of Kelly’s joint venture, TS Kelly Asia Pacific. In 2018, Staffing Industry AnaIysts named her to its Global Power 150 – Women in Staffing list, previously the Global Power 100 – Women in Staffing list, to which she was named to in 2017.  In 2019, she was named to Staffing Industry Analysts’ Staffing 100 Europe list, a list of top influencers who have made a difference in the world of work.  This is the third consecutive year Dinette has been named to the list.