Author: Daniele Ganser
Alternate names: Ganzer, Danijele
Born: 29. August 1972, Lugano CH
Bio: His dissertation from 2002 about the secret stay behind defense organisation was published in English.
 Link to library description: 
https://swisscovery.slsp.ch/discovery/fulldisplay?docid=alma991065329539705501&context=L&vid=41SLSP_NETWORK:VU1_UNION&lang=en&search_scope=DN_and_CI&adaptor=Local%20Search%20Engine&tab=41SLSP_NETWORK&query=any,contains,daniele%20ganser&pfilter=rtype,exact,dissertations&offset=0

The trade edition was published by Frank Cass (now tandf) in 2005, also in English. 
Link to publisher [search with "daniele ganser"]: 
https://www.tandfonline.com/action/doSearch?text1=%22daniele+ganser%22&Ppub=&startPage=&pageSize=50 
another try:
https://www.tandfonline.com/action/doSearch?AllField=%22nato%27s+secret+armies%22&startPage=&pageSize=50

His other books and lectures are in German and translated into ... .