COMPO EXPERT GmbH (COMPO EXPERT), a leading manufacturer of specialty fertilizers for commercial use has appointed Hans-Christian Nehlsen as its new Chief Financial Officer (CFO). As a proven financial controller with deep finance experience, Mr. Nehlsen will be responsible for the Finance and Accounting, Human Resources, IT and Legal departments. COMPO EXPERT is a portfolio company of the London headquartered global alternative investments firm XIO Group.