Our People

We are motivated and passionate. We work to ensure we have the right number of people, with the right skills, in the right place and at the right time.

The Board

Rob Chapman

Chair

Rob Chapman is a Director of T-Ports and principal investor in ICAM. He provides strategic advice to the Board and Management.

Andrew Polkinghorne

Grain Producer

Andrew is a grain producer at Lock, South Australia, where he farms nearly 7000 hectares with his family.

Stuart Ballantyne

Chairman of Sea Transport Corporation

Stuart has been Chairman of Sea Transport Corporation since its inception in 1976. Stuart has been the principal consultant and tactician for numerous large successful projects.

Stephen Duerden

Director

Stephen is currently the CEO of Duxton Capital (Australia) Pty Ltd and has more than 25 years experience in investment management.

Kieran Carvill

Chief Executive Officer

Kieran’s background is in shipping and grain trading and he has worked with a number of well-known global companies in the industry.

Antonio Calabrese

Director

Antonio is Head of Infrastructure Portfolio Management at ICAM with more than 15 years’ experience in mergers & acquisitions, capital strategy and valuations.

Management Team

Kieran Carvill

Chief Executive Officer

Kieran’s background is in shipping and grain trading and he has worked with a number of well-known global companies in the industry.

Mark Antushka

General Manager – Construction

Mark has more than 20 years’ experience in management of business, project and commercial developments in the grain industry.

Claire Wilde

Chief Financial Officer

Claire Wilde joined Duxton Asset Management in March 2018 and is responsible for overseeing the finance function for T-Ports as well as the newly listed Duxton Broadacre Farms.

Phil Durell

Manager, Operations, Storage & Handling

Phil is an experienced consultant specialising in bulk commodity handling with a demonstrated history of working in the export of grain and woodchips as well as managing production operations at a senior level.

Tim Gurney

Manager, New Business and Client Relations

Tim has a wealth of experience in grain storage, exports and port management having successfully managed five of South Australia’s seven grain ports.

Julie Marsh

Human Resources Manager

Julie is working with T-Ports as Human Resources Manager. She has extensive experience in the corporate world including construction and labour hire companies.

Tasha Potgieter

PA to CEO / Administration

Tasha provides administrative support to the Chief Executive Officer and the Management team to assist in the day to day operations of T-Ports.

Jeff Cowan

Terminal Manager

Jeff is an experienced leader and manager of people with 18 years’ experience working in the bulk handling industry. This has included customer service, work health and safety, risk mitigation, developing stakeholder relationships (internal and external) and planning and development.

Daniel Mooney

Maintenance Supervisor

Daniel has more than 14 years electrical experience, including seven in the grain industry. Daniel is an experienced electrician by trade and has worked across automated and industrial electrical applications.

Rob Chapman

Rob Chapman is a director of T-Ports as well as a principal investor in ICAM. He provides strategic advice to the Board and Management.

He is the Chairman of Adelaide Airport Ltd, Non-Executive Chairman of Perks, a member of the South Australian Government’s Economic Development Cabinet Committee and is the Global Chairman of Investment Attraction SA, Chairman of Barossa Valley Infrastructure Ltd, Chairman of the Adelaide Football Club and Director of Coopers Brewery Pty Ltd.

Prior to his current appointments, Rob was Managing Director of Bank SA and Chief Executive of St George Bank. Rob is past President of Business SA and CEDA South Australia.

Rob has been recognised for his consistent pursuit of excellence and outstanding contribution to South Australia with the 2005 SA Great Award for Business.

Rob’s early career was spent in the insurance and funds management industry, initially in Adelaide, then in Brisbane, Sydney and Melbourne before returning to Adelaide and assuming executive roles in banking.

Andrew Polkinghorne

Andrew is a grain producer at Lock, South Australia, where he farms nearly 7000 hectares with his family.

He is a former Chair of the Australian Grain Growers Cooperative, a grain trading company he helped establish as a member of its implementation committee. He is also a past Chair of Minnipa Agricultural Centre Management Committee, the Eyre Peninsula largest agricultural research and development organisation, working with farmers to increase their productivity and profitability.

He previously worked as the General Manager of Farm Services at the Roseworthy Campus of the University of Adelaide. Andrew was also a previous member of the Free Eyre Steering Committee. Andrew holds a Bachelor of Business (Agriculture) and a Diploma (Honours) in Farm Management.

Stuart Ballantyne

Stuart has been Chairman of Sea Transport Corporation since its inception in 1976. Stuart has been the principal consultant and tactician for numerous large successful projects. These included the establishment of Fiji’s Inter Island Roro Ferry Service, the profitable Kangaroo Island Ferry Service in South Australia, Peninsula Searoad Transport in Victoria, Bahamas Searoad, Sea SA and the MacArthur River Lead Zinc Project, which used an innovative self-discharging bulk carrier design to establish a viable remote lead zinc mine.

Stuart is a fellow of the Royal Institution of Naval Architects and has written numerous nautical publications and papers. He has a long list of awards including the ICHCA Annual Award 1996, Seatrade Award 1997 (London), Cruise and Ferry Award 2003 (London), AUSMEPA Marine Environment Award 2006 (Sydney) and the Institute of Export – Export Hero of the Year 2008 (Australia).

Stuart holds a Masters of Philosophy (Naval Architecture) from Strathclyde University, Scotland, and was awarded an honorary doctorate in science from Strathclyde in 2014 for his services to the maritime Industry.

Stephen Duerden

Stephen is currently the CEO of Duxton Capital (Australia) Pty Ltd. He has more than 25 years of experience in investment management and joined Duxton in May 2009, as the CEO of Duxton in Singapore.

Before joining Duxton, Stephen was the COO and Director for both the Complex Assets Investments Team and the Singapore operation of Deutsche Bank Asset Management Asia. Prior to this, Stephen worked with Deutsche Bank in Australia where he was a member of the Australian Executive Committee responsible for the management of the Australian business, with assets under management of approximately AUD $20 billion, and a member of the Private Equity Investment Committee overseeing the management of over AUD $2.5 billion in Private Equity and Infrastructure assets. Stephen has had exposure to a broad range of financial products and services during his career. He has been involved in direct property development and management, the listing and administration of REITS, as well as the operation and investment of more traditional asset portfolios.

Stephen holds a Bachelor of Commerce in Accounting Finance and Systems with merit from the University of NSW Australia and a Graduate Diploma in Applied Finance and Investments from the Financial Services Institute of Australasia. Stephen is a Fellow of the Financial Services Institute of Australasia and a Certified Practicing Accountant.

Stephen is appointed to the Board of the Company as a representative of the Investment Manager. Stephen is also a Director at Duxton Water Ltd and Duxton Capital Pty Ltd.

Qualifications: B Com Accounting Finance and Systems, GradDipAppFin at FINSIA, CPA, F FIN.

Kieran Carvill

Kieran’s role is to oversee the development and operations of T-Ports in Australia. Originally from Ireland, Kieran’s background is in shipping and grain trading and he has worked with a number of well-known global companies in the industry.

Kieran has worked with Sea Transport Corporation since 2014 where he was responsible for the creation and development of a portfolio of agricultural and mineral port projects in Australia and Asia.

Kieran was CBICS / KCH Steel International Sales and Procurement Manager, responsible for creation and development of a portfolio of suppliers and customers in Asia. He was subsequently appointed Managing Director, taking on team management and strategic development worldwide.

He spent three years at AC Toepfer as European and Eastern European Grain Trading Manager working across market risk, trade profitability, analysis, strategy and the management of pan European trading.

Other roles include International Commodity Manager and World Product Manager for Cargill where he managed the full trading and back office team, worldwide coarse grain trading, pan European wheat and coarse grain trading, as well as Company representation with the European Union.

Kieran holds a Masters of Economics from The University of Dublin and is fluent in German, English, and French.

Antonio Calabrese

Antonio has more than 15 years’ experience working in mergers & acquisitions, capital strategy and valuations.

Antonio started his career at KPMG Corporate Finance where he worked on a range of advisory assignments, structuring transactions, executing acquisitions and undertaking valuations of infrastructure assets and companies.

He then spent five years in London working for Sky plc, a FTSE top 30 company and Europe’s leading media company, where he was responsible for execution of acquisition and disposal projects, development of Sky’s M&A strategy and capital structure, and analysis of strategic business development projects.

Following that, Antonio returned to Australia as a Director at KPMG Corporate Finance where he advised several domestic infrastructure operators on evaluating growth & strategic opportunities, business planning and executing capital transactions.

As Head of Infrastructure Portfolio Management at ICAM, Antonio is responsible for the daily active management and continuous refinement of ICAM’s infrastructure portfolio. This includes driving new investment opportunities and working closely with the portfolio operational teams on delivery.

Mark Antushka

Mark has more than 20 years’ experience in management of business, project and commercial developments in the grain industry. He was Bunge Capital Projects Manager from 2010 and 2016, where he established the $50 million Bunbury Grain Export Terminal, country feeder sites and the inaugural enterprise agreement for Bunge Grain Services.

Between 2007 and 2010, Mark was Deputy General Manager of New World Grain, a joint venture agribusiness company between ABB Grain and the Soufflet Group, marketing and exporting grain from the Ukraine’s Black Sea region. In this role, he co-negotiated exclusive export agreements with port terminal operators and supervised execution of ABB’s first barley shipments from the Black Sea.

From 2002 to 2007, Mark worked as ABB Grain National Logistics Manager where he supervised ABB’s entire national supply chain from farm to ship. In this capacity, Mark negotiated road, rail and warehousing supply chain services valued at up to $200 million per year.

Mark holds a Bachelor of Arts in Accountancy and a Graduate Diploma in Business Marketing from the University of South Australia and a Graduate Diploma in Applied Finance and Investment from the Securities Institute of Australia.

Claire Wilde

Claire Wilde joined Duxton Asset Management in March 2018 and is responsible for overseeing the finance function for T-Ports as well as the newly listed Duxton Broadacre Farms.

Prior to joining Duxton, Claire held finance positions in the oil and gas, aviation and agricultural industries. She holds a Bachelor of Commerce (Accounting and Finance) and is a member of CPA Australia.

Tim Gurney

Tim has a wealth of experience in grain storage, exports and port management having successfully managed five of South Australia’s seven grain ports. He is a driven and experienced professional who strives for efficient safe handling of high quality products so end users are highly satisfied.

Tim has professional expertise in the storage and handling of more than 30 types of grain as well as non-grain commodities including fertiliser, salt, mineral sands, dolomite, gypsum and limestone.

He has managed nearly 50 up-country grain storage facilities, including 13 large bunker sites, in SA over the past 23 years, and all five of the major grain port facilities on the Yorke Peninsula and Eyre Peninsula.

Tim has been heavily involved in the design, construction and commissioning of many strategic grain sites across SA.

He chaired SA’s grain processing group responsible for eight grain cleaning sites and has managed three fertiliser import and storage distribution outlets on Yorke Peninsula and Eyre Peninsula.

His extensive work on EP and YP has enabled him to establish many credible and valuable relationships with growers.

Julie Marsh

Julie Marsh has extensive experience in human resource management, training, change management, occupational health & safety, recruitment, employee relations, industrial relations and client contract management. She has held senior management positions with the South Australian Tourism Commission and St Peter's Girls' School as well as roles with construction and labour hire companies.

Julie is based on the Eyre Peninsula and will be working closely with General Manager of Operations Tim Gurney.

Tasha Potgieter

Tasha is an experienced administration officer who has worked in both operational and management roles over the last 15 years. Prior to joining T-Ports she was the Senior Administration Officer and Quality Manager at a professional engineering services firm where she was primarily responsible for maintaining the company’s quality assurance accreditation. Tasha oversaw the transition of their Quality Management System from ISO9001:2008 to ISO9001:2015.

Tasha provides administrative support to the Chief Executive Officer and the Management team to assist in the day to day operations of T-Ports.

Danylo Lyzlov

Dan is an experienced maritime professional and ship’s captain with more than 13 years’ experience in the marine industry.

He has graduated from maritime institutes in Ukraine (Kherson State Maritime Academy) and Fremantle (Challenger Maritime Institute of Technology) with honours.

He has a Master Unlimited Certificate from the Australian Maritime Safety Authority and has extensive knowledge and practical experience in the marine industry on bulk carriers, platform supply vessels, anchor handling tug supply vessels, passenger and merchant vessels.

Dan is master of the transhipment vessel, the Lucky Eyre.

Megan Talia

Megan is an Administration Officer with T-Ports. Most recently, she worked in a similar position at ICAM.

She previously worked as a paediatric speech pathologist where she ran her own private practice and undertook all the operations and management of the business.

Megan has many years’ experience in administration, finance management, as well as customer and client care.

Our People

The Board

Rob Chapman

Andrew Polkinghorne

Stuart Ballantyne

Stephen Duerden

Kieran Carvill

Antonio Calabrese

Management Team

Kieran Carvill

Mark Antushka

Claire Wilde

Phil Durell

Tim Gurney

Julie Marsh

Tasha Potgieter

Jeff Cowan

Daniel Mooney

Subscribe to updates

You have successfully subscribed to the T-PORTS updates

Level 2, 91 King William Street, Adelaide SA 5000, Australia

1800 TPORTS | 1800 876 787

Rob Chapman

Andrew Polkinghorne

Stuart Ballantyne

Stephen Duerden

Kieran Carvill

Antonio Calabrese

Mark Antushka

Claire Wilde

Tim Gurney

Julie Marsh

Tasha Potgieter

Danylo Lyzlov

Megan Talia