Îêîí÷èë Ñàíêò-Ïåòåðáóðãñêóþ ãîñóäàðñòâåííóþ êîíñåðâàòîðèþ èì.Í.À.Ðèìñêîãî-Êîðñàêîâà, ïîëó÷èë ñòåïåíü áàêàëàâðà University of Miami Frost School of Music (2016) è ñòàë îáëàäàòåëåì ñòåïåíè ìàãèñòðà Éåëüñêîãî óíèâåðñèòåòà (2018), ãäå áûë ÷ëåíîì âñåìèðíî ïðèçíàííîé Yale Percussion Group. Ïðåïîäàâàòåëè – çíàìåíèòûå èñïîëíèòåëè-ïåðêóññèîíèñòû Ðîáåðò Âàí Ñàéç è Ñâåò Ñòîÿíîâ.

 2018 ãîäó Ìèòÿ Íèëîâ ñòàë ïîáåäèòåëåì ïðåñòèæíîãî êîíêóðñà Concert Artists Guild International Competition â Íüþ-Éîðêå, æþðè è îðãàíèçàòîðû êîòîðîãî âïåðâûå çà ïîñëåäíèå 15 ëåò îñòàíîâèëè ñâîé âûáîð íà èñïîëíèòåëå - ïåðêóññèîíèñòå, ÷òî ÿâëÿåòñÿ íåòðàäèöèîííûì äëÿ òàêîãî ðîäà êîíêóðñîâ. Ïîìèìî èñïîëíèòåëüñêîãî êîíòðàêòà ñ àãåíòñòâîì Concert Artist Guild, ãëàâíûì ïðèçîì ýòîãî êîíêóðñà ñòàë ñîëüíûé êîíöåðò Ìèòè â Carnegie Hall (WeillRecital Hall).

ßâëÿÿñü ñòðàñòíûì ïîêëîííèêîì ñîâðåìåííîé ìóçûêè, ìîëîäîé èñïîëíèòåëü ïîñòîÿííî ñîòðóäíè÷àåò ñ âûäàþùèìèñÿ ñîâðåìåííûìè êîìïîçèòîðàìè, òàêèìè êàê Õàííà Ëýø, Ìàéêë Ãèëáåðòñîí, Ëýíñèíã Ìàê-Ëîñêè è Àëåõàíäðî Âèíÿî.

Ñ 2016 ãîäà Ìèòÿ ÿâëÿåòñÿ ýíäîðñåðîì Vic Firth Mallet Company.

Ìèòÿ Íèëîâ àêòèâíî ïðèíèìàåò ó÷àñòèå â áëàãîòâîðèòåëüíûõ ïðîãðàììàõ, òàê, â 2010 ãîäó ñîñòîÿëîñü îäíî èç ÿð÷àéøèõ âûñòóïëåíèé ìóçûêàíòà íà III Ìåæäóíàðîäíîì òâîð÷åñêîì ôåñòèâàëå «Øàã íàâñòðå÷ó!» â Êîíöåðòíîì çàëå èì.À.Ê.Ãëàçóíîâà Ñàíêò-Ïåòåðáóðãñêîé êîíñåðâàòîðèè.