He worked as news editor of the Magyar Rádió between 1979 and 1986 and as anchorman of the Krónika magazine from 1985.

Havas was the anchorman of the Nap TV's only program, Nap-kelte from 1989.

In the next year Gyula Horn appointed him state secretary in a charge of communicational affairs of the Prime Minister's Office (de facto government spokesman).

However, soon it turned out that one of his inferiors, Endre Mihályi was involved in an embezzlement case.

He was one of the seven performers of the Heti hetes talk show (Hungarian version of 7 Tage, 7 Köpfe).