MONIER is a dedicated employer of papua new guineans.

Construction site_Monier
Monier is passionate about exceeding environmental and community expectations, with up-skilling the national workforce a founding principle of the company.

Monier directly employs more than 360 people. Monier has strong alliances with local suppliers and service providers, who indirectly employ many more.

The Monier team

George Constantinou

Chief executive Officer

George has over 15 years’ experience in the Construction and Property industry, and commenced his role at Monier as CEO in 2019. He is also the Director of a number of construction and hospitality businesses throughout Papua New Guinea, Australia and New Zealand. George graduated with a Bachelor of Regional and Town Planning, as well as a Masters of Project Management (Property Studies), and is also a member of the Australian Institute of Company Directors. 

Matthew McLachlan

General Manager

Throughout his 8 years with Monier, Matthew has managed all divisions within the company. He has over 20 years experience in the Construction Material industry, and is an advocate for quality management, and best practice processes. Matthew’s work in implementing ISO accredited standards across Monier’s operations ensures PNG has access to quality construction materials which are of an international standard.

Matthew also has a strong focus on staff development and internal training, encouraging internal promotions and personal growth amongst employees, with the aim of fostering a strong workplace culture and commitment to quality. 

Geno Uve

Sales Manager

Also referred to as Mr Monier, Geno has been with the group since 1990. Of that time, 14 years of his career was spent with Monier Steamships, whilst the last 15 years he has worked for Monier Limited. Geno’s expertise revolves around sales, and over the last 15 years he has built up an extensive knowledge of materials, and the Building industry.

Stanley Semery

Health, safety, Quality and environment manager (HSQE)

Stanley has over a decade of experience in the HSQE sector, specialising in management systems, company policies and has previously used his knowledge consulting to a diverse range of businesses throughout Papua New Guinea.

Alvina Toyu

Financial Manager

Alvina Toyu is a highly competent Financial Manager, with experience across both provincial and national government departments. Alvina joined Monier in February 2009 as a Graduate Accountant, with duties including payroll, AR invoicing and ultimately as AP manager. In 2018 Alvina began working as a Financial Accountant, then Finance Manager, and is now Monier’s Financial Manager. Alvina holds a Bachelor’s Degree in Business Studies Accountancy and is a member of Certified Practicing Accountants of Papua New Guinea.

Gaspar Ndrapuluvik

Readymix Concrete Manager


Gasper has vast experience in the day-to-day planning and operations of Monier’s concrete division, as he has been employed by Monier since 1997. Specifically, Gasper oversees the 3 Readymix concrete plants, as well as Monier’s concrete manufacturing and production divisions. He has a degree in civil engineering from Papua New Guinea University of Technology.

Peter Auru

Concrete Precast Manager

Peter has been with Monier since 2012. He has 10 years of experience in his current position, with extensive knowledge in quality control, structural design and manufacturing of engineered precast concrete elements.

Priscilla Kanu

Masonry and Pavers Manager

Priscilla has over 15 years experience working in the construction industry as a Cost Engineer and Quantity Surveyor. She commenced her role at Monier in 2016, working in the areas of cost estimation, including cost analysis and QA works, as well as the pricing of various projects in both local and international markets. 

Gabriel Arabu


Masonry and Pavers Manager

Gabriel has been with the Constantinou Group since 1998 and has managed a number of divisions including: concrete plants, spun pipe plant and most recently vertically cast reinforced concrete pipe plant. Gabriel is one of our long serving loyal managers who brings a wealth of knowledge to the business.

Copeland Gaboe

Property & Security Manager

Copeland has been with Monier since 2016. After serving more than 20 years in the Police Force, Copeland brings a wealth of security knowledge and experience to Monier, prioritising staff safety and coordinating security measure onsite. 

Rebecca Luluaki

Human Resource manager

Rebecca is equipped with more than 15 years of experience in global organisations in all aspects of Human Resources. She started at Monier in 2018, and has proven her ability to improve effectiveness and performance of employees through the implementation of HR strategies and initiatives.

Sanga Palu

Technical Service Laboratory Manager

Sanga has an extensive repertoire of knowledge and 43 years of experience in the Construction Material and Civil Construction industries, managing quality control and assurance systems in construction material laboratories. He has been employed by Monier for over 6 years, and is a certified PNGLAS signatory and PNGLAS Technical Assessor.

Jason Suri

IT Manager

Jason is a member of the PNG Computer Society and has over 8 years of experience in the Information Technology sector. Jason has been with Monier since 2016, and has developed and improved our IT division to International Standards.

Stanley Correa

Maintenance Manager

Stanley has been with Monier since 2009. He is a Licensed Electrician issued by PPL, Member of IEPNG. Stan has 13 years of experience, and a wealth of knowledge in performing maintenance and repair.

Daniel Jeremiah

Fleet Supervisor

Daniel has been with Monier since 2015, and has 7 years experience in transport and logistics sectors. He has worked in some of the biggest mines in PNG and brings an added level of professionalism to the business.

Lee Attard

Quarry General Manager

Lee has over 30 years of experience in the Quarry Industry. Lee has a wealth of experience which will help our staff at Nebiri Quarry keep up with the industry’s best practices. Lee has a Cert 4 in extractive industries, Diploma in extractive industries, Open above ground Managers certificate, Extractive Practicing certificate, Front end loader, Excavator, Dump Truck VOC, ORICA (Safe and Efficient Blasting), Work Cover (Rehabilitation Co-Ordinator), Tyco (Fire Fighting Training Level 2), KRC (increasing Earthmoving Productivity), Leadership Management Australia (Effective supervisory Management Program VBE 331), Boral Train Small Groups Program ITAB (Train the Trainer), Work Cover (Workplace committees) and many more. 

Henry Dela Peña​

Quarry manager

Henry has been with Monier since 2010. Prior to his time in PNG, he has had roles in several mining and quarrying companies throughout the world. He has a wealth of experience and has been in the Mining and Quarry industry for over 30 years. Henry holds a PNG permit to handle, use and store explosives. He trains national staff on all the quarry operations including drill and blast design, explosive storage, road maintenance, quarry development and production.