Trond Eirik Haavarstein aka Eric is a Norwegian working as a independent consultant, blogger and trainer from his office in Fortaleza, Brasil. Eric has been working with both Citrix and Microsoft products since 1999.  He’s known to customers, companies and individuals around the world for xenappblog.com which shares his real world experience with Citrix & Microsoft products.

Eric has been awarded Citrix Technology Professional (CTP), Microsoft Most Valuable Professional (MVP 2017-2019), Nutanix Technical Champion (NTC), VMware EUC Champion and Very Important Parallels Professional (VIPP).

He’s also a Citrix Certified Instructor (CCI) and Microsoft Certified Trainer (MCT).


He operates under the motto It’s all about applications and virtualization and his website certainly serves to display this. Eric takes great pride in always striving to both design and implement the very best virtualization solution based on the requests, requirements, and needs of each individual customer. This has certainly helped him in developing a global reputation.


He’s a highly respected author, blogger and speaker which has made an outstanding name for himself by sharing his personal experiences as well as for offering practical instruction and advice via his website.

Get in contact haavarstein at gmail