Historical record. The information on this page documents publicly reported facts about Mellow Boards as of the periods cited. Current product availability, warranty support, corporate operations, and official communications from Mellow Boards GmbH, TQ-Group, or TQ-Systems could not be independently verified at the time this archive was published. This site is not affiliated with those entities.
Illustration representing Kilian Green, co-founder and CTO of Mellow Boards

Public role

Kilian Green co-founded Mellow Boards with Johannes Schewe in Hamburg in 2015. Historical press releases identify Green as CTO and describe him as a former mechatronics specialist at BMW. Public-facing technical discussions — specification sheets, mode behaviour, battery management themes — align Green with the electrical and firmware side of the Mellow Drive stack: dual hub motors, 99 Wh pack integration, IP65 sealing challenges, and the four-mode remote architecture (Rookie, Eco, Pro, Endless).

Green participated in campaign updates and engineering-focused interviews that explained delays in manufacturing terms intelligible to backers — a transparency approach that preserved community trust during the 2016–2017 ramp.

Historical context

Documentation of Green's work concentrates on the independent Mellow era through the November 2018 TQ Systems acquisition. Subsequent roles are not comprehensively covered in sources indexed here.

Johannes Schewe · Battery technology