Biography of Ralph Gillessen
Last update: February 15, 2024Career
Ralph Gillessen joined Assystem in 2002.
Ralph Gillessen is currently- Chief Executive Officer at Silver Atena - View - Silver Atena org chart
- Executive Vice President, Energy and Utilities, Life Sciences, Diversified Industries and Affiliates at Expleo - View - Expleo org chart
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Company Colleagues
- At Silver Atena, Ralph Gillessen has 8 colleagues including Thorsten Wolber (Finance), Josef Mitterhuber (COO)…
- At Expleo, Ralph Gillessen has 32 colleagues including Rajesh Krishnamurthy (CEO), Zoé Schnebelen (HR)…
Industry Colleagues
- In the Engineering & Design industry, Ralph Gillessen has 17,945 colleagues in 1,307 companies located in 66 countries. 8,564 executive movements have been recorded in the last 12 months. Learn more about Engineering & Design.
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