Our people

Information about the New Zealand Petroleum & Minerals senior leadership team.

Anna Clark

Acting General Manager


Josh Adams

Director Divestments, Mergers & Acquisitions

Josh joined NZP&M as National Manager Petroleum in August 2015. Since July 2018 he has held the role of Director Divestments, Mergers & Acquisitions.

Over his career Josh has worked in a variety of commercial roles including oil and gas exploration and production, crude oil marketing and sales, shipping and gas transmission. He co-founded and raised capital for a company specialising in developing cutting edge mine site reclamation technology.

He previously worked for NZP&M as Director Minerals after the organisation replaced Crown Minerals. Prior to joining NZP&M Josh worked for Todd Energy as Commercial Manager Upstream.

Ilana Miller

National Manager Petroleum & Minerals

Ilana manages the teams responsible for the allocation and management of the Crown’s mineral and petroleum portfolio including oil, gas, gold, silver, platinum, coal, aggregates and rare earth elements.

Ilana’s teams work with key stakeholders including iwi and other agencies involved in regulating the Petroleum and Minerals sectors such as Regional Councils, WorkSafeNZ, the Department of Conservation, and the Environmental Protection Authority.

Ilana has held roles in both the private and public sector; prior to joining NZP&M she worked at the Environmental Protection Authority.
She has a degree in science and a post graduate qualification in environmental management.

Richard Garlick

Manager Information Services

Richard Garlick leads a team responsible for managing New Zealand’s geoscience exploration data and providing business systems to support NZP&M's regulatory services. This includes quality control, archiving and public access to geoscience data and assets submitted to the Crown under the Crown Minerals Act.

His team also oversees NZP&M’s business systems and the processes behind the digital register of permits, online transactions, geospatial and web services.

Richard has a BSc(Hons) in geology from Canterbury University. Prior to joining NZP&M, Richard spent 8 years with the Ocean Geology Group at the National Institute of Water and Atmospheric Research (NIWA).

David Darby

Manager Commercial, Analysis & Investment

David leads the Commercial Analysis and Investment team. His team promotes New Zealand’s petroleum and mineral sectors to potential investors around the globe. The team is made up of technical, market and resource analysts. They work closely with colleagues in MBIE and other agencies on strategies to attract growth capital to the New Zealand resource sector.

David has over 20 years’ experience in the upstream oil and gas sector. He has BSc and PhD degrees from Glasgow University. Prior to joining NZP&M in October 2015, David was with Maersk Oil in the UK, and has previously held roles with GNS Science, Ikon, and BG Group.

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