He is 6'9.

Some highlights:
https://twitter.com/RealScoutBBall/status/1612504420721299484

University of South Carolina recently gave him his first college offer this past week:
https://www.si.com/college/southcarolina/recruiting/south-carolina-basketball-offers-okku-federiko

He led the Finnish U18 basketball team in scoring last summer with 15.4 points per game and other schools interested in him include Dayton, Oklahoma State, and Pitt:
https://sportstalksc.com/2023/01/27/strecruiting-gamecocks-go-overseas-with-a-pair-of-offers/