▁where ▁he ▁was ▁a ▁head ▁manager ▁for ▁some ▁time ▁. ▁In ▁ 1 9 9 9 , ▁he ▁travel led ▁to ▁Madrid , ▁Spain , ▁to ▁be ▁member ▁of ▁the ▁course ▁" Introduction ▁to ▁Computer ▁Elect ro - ac oust ic ▁Compos itions " ▁in ▁the ▁Communic ations ▁Center ▁of ▁Contempor ary ▁Music ▁( Cent ro ▁de ▁D if us ión ▁de ▁la ▁M ús ica ▁Contempor á nea , ▁CD MC ). ▁ ▁He ▁worked ▁in ▁the ▁Pont ific al ▁Catholic ▁University ▁of ▁E cuador ▁( P ont ific ia ▁Universidad ▁Cat ó lica ▁del ▁E cuador , ▁P U CE ) ▁in ▁the ▁school ▁year ▁ 2 0 0 0 / 2 0 0 1 ▁as ▁a ▁professor ▁of ▁orch estr ation ▁and ▁arrang ements . ▁In ▁ 2 0 0 4 , ▁he ▁was ▁a ▁member ▁of ▁the ▁Second ▁International ▁Me eting ▁of ▁Direct ors , ▁Compos ers , ▁Arr angers ▁and ▁Mus icians ▁held ▁by ▁T atu í ▁Sym ph onic ▁Band ▁in ▁São ▁Paulo , ▁Brazil , ▁invited ▁by ▁the ▁organiz ers ▁of ▁the ▁event ▁and ▁from ▁ 2 0 0 3 ▁to ▁date ▁is ▁a ▁member ▁of ▁World ▁Association ▁for ▁Sym ph onic ▁B ands ▁and ▁Ens emb les . ▁He ▁played ▁at ▁various ▁local ▁festiv als : ▁First ▁Ser en ade ▁Festival ▁of ▁Virgin ▁of ▁Sw ans ▁( Prim era ▁Ser en ata ▁a ▁la ▁Vir gen ▁del ▁C is ne ) ▁in ▁Lo ja , ▁ 2 0 0 2 , ▁Third ▁International ▁Festival ▁of