Although trained as an illustrator Justin began as a creative in advertising agencies developing concepts and overseeing campaigns for a wide range of clients. He was able to use his skills in cgi and photo manipulation to produce many of the artworks featured in those campaigns. Since becoming a freelance artist the client list has grown and the demand for the art director/artist has grown too. Commissions include: Nike, BA, Warner Bros, Time, Bloomberg, Sony, Coca-Cola, BBC, Penguin Random House, Simon & Schuster, Fortune, The Wall Street Journal, The Times, Variety, Time Out, The Atlantic, The Independent, The Guardian, Financial Times, Shortlist, Costa.