David Christensen

Upstream Medical Technologies Ltd. engages in the commercialization of novel biomarkers for cardiac disease diagnosis. It focuses on the identification of patients with unstable angina. The company was founded by Chris Pemberton in 2015 and is headquartered in Christchurch, New Zealand.

Photonic Innovations Ltd. supplies gas detection products. Its products include gas sensing devices that monitor and detect environments which could contain combustible gases, toxic gases and to ensure sufficient oxygen availability. The firm serves oil and gas, mining, utilities, hospitality and civil engineering industries. The company was founded in 2005 and is headquartered in Dunedin, New Zealand.