After two decades working in television, director/producer John Harris set up independent production company Greenstone in 1994. The company's factual programming won awards and overseas sales. Greenstone has also made successful forays into children's drama. Harris sold the company to Australia's Cordell Jigsaw Zapruda in 2013; Kiwi Richard Driver took over as managing director the following year.
Tony Manson has worked in television as a director, producer and commissioner of programmes. His specialty is factual programming - including directing for the popular Open Home and producing a wide range of documentaries.
Aged 17, Max Quinn joined the NZ Broadcasting Corporation as a trainee cameraman. At 25 he was filming landmark television dramas like Hunter’s Gold. In 1980 he moved into directing and producing. Since joining Dunedin’s Natural History Unit (now NHNZ) in 1987, Quinn's many talents have helped cement his reputation as one of the most experienced polar filmmakers on the globe.