henry&hymas enjoy strong leadership, a talented workforce and great culture.

board of directors

Rodney Boss

Managing Director
Technology
Administration more >

Rodney Boss

Managing Director
Technology
Administration

Rodney is a director of henry&hymas and has been with us since his graduation at University of New South Wales in 1995. Rodney is an intelligent, systematic and diligent operator. Rodney’s diligence has resulted in his promotion, success and growth of the precast and tilt-up business.

Rodney has managed, design and delivered a variety of projects utilizing Tilt-Up, Precast, Composite Steel Frames, Portal Frames, Conventional and Post-Tensioned Concrete construction systems.

Rodney is IT Manager is responsible for the efficient running of computer systems, networking, software maintenance and programming for the company. His skills include programming in Visual Basic, Excel, Access and AutoCAD. In this role Rodney is also responsible for managing internal accounting systems.

Andrew Francis

Managing Director
Civil Manager
Business Development
Human Resources more >

Andrew Francis

Managing Director
Civil Manager
Business Development
Human Resources

Andrew is a director of henry&hymas and responsible for management and integration of the civil engineering business. Andrew’s deep understanding of engineering is matched by his enthusiasm for his staff making the civil engineering business a real winner.

Andrew has enjoyed over 20 years of working in the development industry including civil design, project management, and documentation and construction supervision of numerous urban development projects.

Andrew has an excellent reputation in the industry for delivering compliant, cost effective and quality engineering outcomes. Andrew enjoys captaining his team of talented civil and environmental engineers capable of delivering the full spectrum of civil engineering services needed for the urban development industry. Andrew’s energy, open communication and engagement with staff promotes teamwork, builds enthusiasms and encourages innovation.

Andrew has excellent credentials including a Bachelor of Civil Engineering from the University of NSW.

Lin Ma

Director
Structural Manager
QA Manager more >

Lin Ma

Director
Structural Manager
QA Manager

Lin is a director of henry&hymas and professional engineer. Lin is extremely competent, studious and thorough in all of his activities. His considered approach is balanced by a tremendous appreciation of structural engineering respected by all within and outside the organisation.

Lin has extensive experience in the design of a wide variety of structures ranging from commercial and residential development to infrastructure and resource projects. His experience embraces all aspects of design from conceptual studies to detailed analysis and design in reinforced and prestressed concrete, structural steel, timber and masonry, and also computerised structural design aids.

Lin has managed and delivered structural designs for commercial, residential and industrial buildings ranging from low to high rise buildings up to twenty-five storeys. Lin has extensive experience in computerised structural design including RAPT, Microstran, RC Buildings, PT3D, Slabs, Excel, Earthquake and Wind Static & Dynamic analysis, Wallap and finite element analysis strand7 & ETABS.

Lin has diversified more into the infrastructure, water and resources sector delivering design for water/wastewater, and mining sectors. Lin also manages henry&hymas Integrated Quality Management systems.

Lars Herngren

Director
Water Infrastructure Manager more >

Lars Herngren

Director
Water Infrastructure Manager

Lars is an associate director of henry&hymas and principal of the water business. Lars has outstanding credentials to act in this role and an excellent reputation in the water, development and local government industries. Lars joined henry&hymas in January 2008 and has delivered a number of iconic water, wastewater and stormwater infrastructure projects.

Lars has 14 years of experience and credentials including a Masters of Science from the Royal Institute of Technology (Stockholm, Sweden) and PhD in urban stormwater quality from Queensland University of Technology in 2005. Lars has an exceptional understanding of all aspects of hydraulics and hydrology, water quality and water treatment and has written numerous professional journal and conference papers in the field.

Lars experience includes integrated water management plans, detailed hydraulic and treatment design, water and wastewater infrastructure design, water demand and supply calculations, WSUD, process design, risk management frameworks and approvals, 1D and 2D flood modelling, construction administration and supervision project management, master planning,.

Lars is also an experience trainer lecturing and tutoring in Hydraulic Engineering and Water Engineering at QUT. Lars has also worked in manufacturing in the role of design manager for CDS Technologies and acted as panel member of the Institution of Engineers Water Panel in QLD 2004-2005.

partners

Pushpa Ratnayake

Partner / Technical Director

Pushpa Ratnayake

Partner / Technical Director

Laki Revellos

Partner / Senior Structural Engineer

Laki Revellos

Partner / Senior Structural Engineer

Dave Morgan

Partner / Senior Structural Engineer

Dave Morgan

Partner / Senior Structural Engineer

Derek Duns

Partner / Senior Structural Engineer

Derek Duns

Partner / Senior Structural Engineer

Boro Seizov

Partner / Senior Civil Engineer

Boro Seizov

Partner / Senior Civil Engineer

Thomas Dempsey

Partner / Senior Civil Engineer

Thomas Dempsey

Partner / Senior Civil Engineer

Thomas Rozehnal

Partner / Senior Civil Engineer

Thomas Rozehnal

Partner / Senior Civil Engineer

Terry Mcgibbon

Partner / Principal Engineer

Terry Mcgibbon

Partner / Principal Engineer

Omid Sayar

Partner / Process and Operations Engineering Manager

Omid Sayar

Partner / Process and Operations Engineering Manager

Chris Pselletes

Partner / Senior Structural Engineer - Strata / Remedial / Alterations & Additions

Chris Pselletes

Partner / Senior Structural Engineer - Strata / Remedial / Alterations & Additions

Martina Stimova

Partner / Civil Drafting Manager

Martina Stimova

Partner / Civil Drafting Manager

Nick Wetzlar

Partner / Senior Civil Engineer

Nick Wetzlar

Partner / Senior Civil Engineer

administration

Gail Nach

Office & Administration Manager

Gail Nach

Office & Administration Manager

Kirsty Fisher

Accounts Payable & Administration

Kirsty Fisher

Accounts Payable & Administration

Shannon Stein

Office Administrator

Shannon Stein

Office Administrator

Derek Bolling

Financial Controller

Derek Bolling

Financial Controller

structural

Lin Ma

Director
Structural Manager

Lin Ma

Director
Structural Manager

Pushpa Ratnayake

Partner / Technical Director

Pushpa Ratnayake

Partner / Technical Director

Laki Revellos

Partner / Senior Structural Engineer

Laki Revellos

Partner / Senior Structural Engineer

Dave Morgan

Partner / Senior Structural Engineer

Dave Morgan

Partner / Senior Structural Engineer

Derek Duns

Partner / Senior Structural Engineer

Derek Duns

Partner / Senior Structural Engineer

Manuel Caballes

Senior Structural Engineer / Construction Services

Manuel Caballes

Senior Structural Engineer / Construction Services

Dana Kanan

Senior Structural Engineer

Dana Kanan

Senior Structural Engineer

Ali Karbakhsh

Structural Engineer

Ali Karbakhsh

Structural Engineer

Tian Meng

Structural Engineer

Tian Meng

Structural Engineer

James Petch

Structural Engineer

James Petch

Structural Engineer

Jackson Brennan-Seymour

Structural Engineer

Jackson Brennan-Seymour

Structural Engineer

Ayman Saad

Senior Structural Engineer

Ayman Saad

Senior Structural Engineer

Eusuf Iqbal

Structural Engineer

Eusuf Iqbal

Structural Engineer

Richaine Cura

Structural Engineer

Richaine Cura

Structural Engineer

Edwin Tran

Structural Engineer

Edwin Tran

Structural Engineer

Jason Ewe

Structural Engineer

Jason Ewe

Structural Engineer

Elvis Qui

Structural Engineer

Elvis Qui

Structural Engineer

Thomas Nevell

Structural Engineer

Thomas Nevell

Structural Engineer

Ian Hymas

Founder & Structural
Engineer Consultant

Ian Hymas

Founder & Structural
Engineer Consultant

Jeff Dodd

Manager Structural Drafting & BIM

Jeff Dodd

Manager Structural Drafting & BIM

Stephen Kelly

Senior Draftsperson BIM & Revit

Stephen Kelly

Senior Draftsperson BIM & Revit

Andrew Weeks

Senior Draftsperson - BIM

Andrew Weeks

Senior Draftsperson - BIM

Simon Wawrzyniak

Senior Structural Draftsperson

Simon Wawrzyniak

Senior Structural Draftsperson

Kumiko Suzuki

Structural Revit Drafter

Kumiko Suzuki

Structural Revit Drafter

Helen Wang

Senior Draftsperson BIM

Helen Wang

Senior Draftsperson BIM

Vasilii Kulikov

Structural Drafter

Vasilii Kulikov

Structural Drafter

civil & stormwater

Andrew Francis

Managing Director
Civil Manager

Andrew Francis

Managing Director
Civil Manager

Boro Seizov

Partner / Senior Civil Engineer

Boro Seizov

Partner / Senior Civil Engineer

Thomas Dempsey

Partner / Senior Civil Engineer

Thomas Dempsey

Partner / Senior Civil Engineer

Thomas Rozehnal

Partner / Senior Civil Engineer

Thomas Rozehnal

Partner / Senior Civil Engineer

Nick Wetzlar

Partner / Senior Civil Engineer

Nick Wetzlar

Partner / Senior Civil Engineer

Nick Heazlewood

Senior Civil Engineer

Nick Heazlewood

Senior Civil Engineer

Frank Hongshen Zhou

Civil Engineer

Frank Hongshen Zhou

Civil Engineer

Letizia Villa

Civil Engineer

Letizia Villa

Civil Engineer

Matthew Mishevski

Civil Engineer

Matthew Mishevski

Civil Engineer

Martina Stimova

Partner / Civil Drafting Manager

Martina Stimova

Partner / Civil Drafting Manager

Lukas Caha

Senior Civil Designer

Lukas Caha

Senior Civil Designer

Ibrahim Khachab

Junior Civil Designer

Ibrahim Khachab

Junior Civil Designer

Maria Barrozo

Civil Draftsperson

Maria Barrozo

Civil Draftsperson

Stareek Chen

Civil Draftsperson

Stareek Chen

Civil Draftsperson

Marcelo Pereira

Civil Draftsperson

Marcelo Pereira

Civil Draftsperson

water & infrastructure

Lars Herngren

Director
Water Infrastructure Manager

Lars Herngren

Director
Water Infrastructure Manager

Omid Sayar

Partner / Process and Operations Engineering Manager

Omid Sayar

Partner / Process and Operations Engineering Manager

Ian Teh

Senior Project Manager

Ian Teh

Senior Project Manager

Hugh Williamson

Senior Civil/Environmental Engineer

Hugh Williamson

Senior Civil/Environmental Engineer

Dan Rhodes

Water Engineer

Dan Rhodes

Water Engineer

Dinh Tran

Design Draftsperson

Dinh Tran

Design Draftsperson

Sujana Bajracharya

Water & Infrastructure Drafting Manager

Sujana Bajracharya

Water & Infrastructure Drafting Manager

Sash Nasiri

Electrical/Automation Service Engineer

Sash Nasiri

Electrical/Automation Service Engineer

Hamid Mehrazmay

Environmental Engineer

Hamid Mehrazmay

Environmental Engineer

tilt-up, precast & structural steel detailing

Rodney Boss

Managing Director

Rodney Boss

Managing Director

Rodney Bowman

Senior Design Manager

Rodney Bowman

Senior Design Manager

Stephan French

Tekla Detailer

Stephan French

Tekla Detailer

Jan Cernoch

Tekla Detailer

Jan Cernoch

Tekla Detailer

Ninh Nguyen

Tekla Detailer

Ninh Nguyen

Tekla Detailer

Ian Hymas

Founder & Structural
Engineer Consultant

Ian Hymas

Founder & Structural
Engineer Consultant

John Fell

Documentation Manager - Panels

John Fell

Documentation Manager - Panels

dilapidation, strata & construction services

Chris Pselletes

Partner / Senior Structural Engineer - Strata / Remedial / Alterations & Additions

Chris Pselletes

Partner / Senior Structural Engineer - Strata / Remedial / Alterations & Additions

Laki Revellos

Partner / Senior Structural Engineer

Laki Revellos

Partner / Senior Structural Engineer

Derek Duns

Partner / Senior Structural Engineer

Derek Duns

Partner / Senior Structural Engineer

Sergio Mantella-Galli

Senior Remedial Engineer

Sergio Mantella-Galli

Senior Remedial Engineer

Sandis Birins

Strata / Remedial Engineer

Sandis Birins

Strata / Remedial Engineer

Jackson Brennan-Seymour

Structural Engineer

Jackson Brennan-Seymour

Structural Engineer

Jason Ewe

Structural Engineer

Jason Ewe

Structural Engineer

Timur Nami

Strata / Remedial Engineer

Timur Nami

Strata / Remedial Engineer

Daniel Smith

Structural Engineer

Daniel Smith

Structural Engineer

Aleksandar Grujicic

Structural Engineer

Aleksandar Grujicic

Structural Engineer

hydraulic

Greg Napper

Principal

Greg Napper

Principal

Kevin Phan

Hydraulic Engineer

Kevin Phan

Hydraulic Engineer

Tom Sur

Hydraulic Designer

Tom Sur

Hydraulic Designer

Jayden Moujalli

Hydraulic Designer

Jayden Moujalli

Hydraulic Designer

queensland

Terry Mcgibbon

Partner / Principal Engineer

Terry Mcgibbon

Partner / Principal Engineer

Lars Herngren

Director
Water Infrastructure Manager

Lars Herngren

Director
Water Infrastructure Manager

Alex Capitanio

Structural/Civil Engineer

Alex Capitanio

Structural/Civil Engineer

Andrew Bray

Senior Civil Designer

Andrew Bray

Senior Civil Designer

John Dodd

Senior Structural Draftsperson

John Dodd

Senior Structural Draftsperson

utilities & resources

Lars Herngren

Director
Water Infrastructure Manager more >

Lars Herngren

Director
Water Infrastructure Manager

Lars is an associate director of henry&hymas and principal of the water business. Lars has outstanding credentials to act in this role and an excellent reputation in the water, development and local government industries. Lars joined henry&hymas in January 2008 and has delivered a number of iconic water, wastewater and stormwater infrastructure projects.

Lars has 14 years of experience and credentials including a Masters of Science from the Royal Institute of Technology (Stockholm, Sweden) and PhD in urban stormwater quality from Queensland University of Technology in 2005. Lars has an exceptional understanding of all aspects of hydraulics and hydrology, water quality and water treatment and has written numerous professional journal and conference papers in the field.

Lars experience includes integrated water management plans, detailed hydraulic and treatment design, water and wastewater infrastructure design, water demand and supply calculations, WSUD, process design, risk management frameworks and approvals, 1D and 2D flood modelling, construction administration and supervision project management, master planning,.

Lars is also an experience trainer lecturing and tutoring in Hydraulic Engineering and Water Engineering at QUT. Lars has also worked in manufacturing in the role of design manager for CDS Technologies and acted as panel member of the Institution of Engineers Water Panel in QLD 2004-2005.