Professor Jarnefeldt is the father of Fiona Jarnefeldt and an engineer/scientist who appears in Armored Core 4.

10-1-2010 5-24-22 PM


As a genius engineer, Professor Jarnefeldt is stated to be one of the key developers of the NEXT as well as many technological advancements. He single-handedly supplied the core of Anatolia's prosperity with the profits from his designs and creations. Some of these designs include the AMS NEXT control system, the 00-ARETHA, and the Prototype NEXTs.

After he died, Anatolia entered a state of economic crisis, leaving its welfare to Emil Gustav, a member of his development staff.


  • Although it is never explicitly stated or mentioned, it is implied that Professor Jarnefeldt may have worked for Rayleonard, explaining the similarity between Jarnefeldt's designs and Rayleonard's.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.