From 1990 to 1995 he was artistic director of the Lithuanian State Academic Drama Theatre. During this time, in 1991, he was Visiting Lecturer in Performing Arts at Emerson College, a private university in Boston, Massachusetts, U.S., and from 1992 to 1993, visiting lecturer in acting at the visiting lecturer in acting at Statens teaterhøgskole (now Oslo National Academy of the Arts), in Oslo, Norway.[1]
Vaitkus has mentored a number of actors and directors, including director Oskaras Koršunovas[citation needed] and actress Ingeborga Dapkūnaitė.[3] He has directed several films, including Utterly Alone (Vienui vieni; 2004) and A Thrush, a Green Bird (Drozd - ptakha zelyonaya; 1990).
In February 2018, following the worldwide spread of the Me Too movement Vaitkus was publicly accused of sexual harassment or assault by some of his former students. He has denied the allegations, claiming instead that this is a defamation campaign carried out by Russian propaganda.[4]