Management Team


Gerhard Laubscher
NDipEng (Mech), NHDipEng (Mech), MTechEng, MDP, MIP, MIEAust, MIAM

Chief Executive Officer 

Gerhard has global experience as a leader across a variety of industries. He has held CEO and Board Director roles and positions in the public and private sectors with accountability for all business functions.

Gerhard’s expertise is across mining (mineral processing, gold, aluminium and coal), manufacturing, power generation (renewables, cogeneration, gas, hydro, coal and biomass), nuclear, military and other engineering industries.

His passion is to lead people and develop leadership teams that are inspired, resilient and deliver value with an uncompromising approach to safety. His key strengths include developing vision and strategy to successfully align business and culture.

John Greenwood
GradDip(Leadership&Mgt), MAICD, MIML

General Manager Assets and Operations

John is an accomplished senior executive with management experience gained across a variety of roles in both New Zealand and Australia. He has a long work history in service delivery, asset management and capital works delivery in the electrical supply industry.

Prior to joining Territory Generation, John was CEO of an electricity utility contractor based in the South Island of New Zealand.

Maria Walters

BBUSCOM, CPA, GAICD

General Manager Finance and Corporate Services

Maria is a Fellow of CPA with significant experience gained across her career in the power generation industry. Maria has held key board positions on several external boards over a number of years. She brings strong technical accounting, strategic and analytical skills as well as extensive experience and knowledge to the corporate services functions.

Eddie Mallan
Adv Dip HospMan, BComm, MBA, Grad Dip WHS

General Manager Commercial 

Eddie is an experienced executive who has a history of working in a range of industries including ports, mining, supply chain, logistics, mass manufacturing and technology. He is skilled in negotiation, business planning, operations management, strategic sourcing and business improvement, and has experience in both the private and public sectors.

Hieu Nguyen
BSc, LLB, LLM, GAICD

General Counsel & Company Secretary

Hieu is an executive with over 15 years legal experience in private and government enterprises and has held a number of board and committee positions. Hieu helped to establish the Business Services function of Territory Generation covering ICT, Environment, Risk & Compliance, Records Management, Facilities, Communications, Stakeholder Management and Legal, and has been involved in a number of large commercial contractual negotiations during his career.