[5] In 1949, Jelicich formed Brenner Associates in Auckland with fellow architects Desmond Mullen and Ron Grant and designer Milan Mrkusich.
As well as architectural work, the firm engaged in integrated interior, exhibition, lighting and furniture design.
[6] In 1950 they established Auckland's first modern design store, specialising in imported and local furniture, ceramics, woodwork and glass.
[9] He entered into partnership in 1963 with Rodney Davies, Ivan Mercep, John Austin and Graham Smith to form what would become JASMaD (later Jasmax, one of the largest architectural practices in New Zealand).
[5] In the 2003 New Year Honours, Jelicich was appointed an Officer of the New Zealand Order of Merit for services to architecture and the community.