Born in Wagga Wagga, NSW into a family of Greek cafe owners, Lex attended the University of NSW, receiving a BA with Honours in Drama, and also studied with renowned American acting teacher, Stella Adler. Since then he has worked in all areas of the entertainment industry as an actor, director, writer, broadcaster and teacher.

​As an actor Lex has appeared with the Nimrod, APG, Sydney Theatre Company, Melbourne Theatre Company, Company B, Big hART, and at many arts festivals, as well as commercial productions such as The King and I. Best known on television for Kingswood Country and The Slap, and has also had continuing roles in City West, Embassy, S.C.O.O.P, Live & Sweaty, Ballzup, World Series Debating, Strictly Dancing, and Late Night Legends. Films include Cathy's Child, Goodbye Practice, Last Days of Chez Nous, Bedevil, Backyard Ashes and numerous short films.

​Since the riotous inception of 2JJ, Lex has also worked as a radio presenter on various ABC and commercial networks.

​As a director, Lex has worked in all media, notably films An Indecent Obsession, television series Bodyine, Embassy, A Country Practice, plus documentaries. He co-founded the King O'Malley Theatre Company and has directed many shows for commercial and subsidised companies and festivals. He was the Director of Carnivale, NSW's multicultural arts, 1996 - 99.

​Lex directed one of the segments of the Sydney 2000 Opening Ceremony and was Executive Producer, YEPERENYE Federation Festival, which took place in Alice Springs as part of the Centenary of Federation Celebrations.

​Awarded OAM for services to the performing arts, Lex has also held many advisory and governance positions with arts and cultural organisations including SOCOG, The Australia Council, and Community Broadcasting Foundation. Lex is a frequent speaker and writer on arts and cultural diversity; hosts numerous awards and community functions; and is a guest tutor at several Theatre and Screen Colleges.

​His book Blood and Circuses: an irresponsible memoir was published by Allen & Unwin. Lex is a proud member of Actor Equity since 1970.