▁ 1 9 8 4 , ▁he ▁studied ▁teaching , ▁special ising ▁in ▁sports ▁and ▁German ▁language ▁at ▁the ▁Ludwig ▁Maxim ilian ▁University ▁of ▁Mun ich . ▁From ▁ 1 9 8 5 ▁to ▁ 1 9 8 8 , ▁he ▁studied ▁rem ot ely ▁at ▁the ▁Co ach ▁Academy ▁C ologne . ▁ ▁Bes ide ▁his ▁studies , ▁K etter er ▁was ▁leading ▁coach ▁at ▁the ▁SC ▁Ri esser see ▁in ▁G arm isch - Part enk ir chen ▁from ▁ 1 9 7 8 ▁to ▁ 1 9 9 2 ▁and ▁is ▁an ▁honor ary ▁member ▁of ▁this ▁club . ▁From ▁ 1 9 8 2 ▁to ▁ 1 9 9 1 , ▁he ▁was ▁also ▁taught ▁classes ▁for ▁the ▁Norwegian ▁National ▁team ▁and ▁was ▁a ▁member ▁of ▁the ▁teaching ▁team ▁for ▁the ▁Nor wed ian ▁coach ▁education . ▁ ▁Until ▁he ▁became ▁a ▁p ension er ▁he ▁was ▁head ▁of ▁the ▁Federal ▁bas ▁camp ▁in ▁Berlin . ▁ ▁He ▁still ▁is ▁leading ▁coach ▁for ▁educ ating ▁coach es ▁on ▁C - level ▁( G erman ▁classification ). ▁ ▁Since ▁ 1 9 9 2 , ▁K etter er ▁is ▁leading ▁coach ▁and ▁chairman ▁of ▁the ▁federal ▁sport ▁base ▁figure ▁sk ating ▁Berlin . ▁He ▁also ▁leads ▁the ▁coach ▁education ▁there . ▁In ▁ 1 9 9 4 , ▁he ▁has ▁become ▁a ▁member ▁of ▁the ▁teaching ▁team ▁for ▁coach ▁education ▁of ▁the ▁Deutsche ▁E is lauf ▁Union . ▁He ▁is ▁also ▁a ▁coach ▁of ▁nov ice ▁and ▁junior ▁sk aters