DMS Progrowers - Direct Management Services - kiwifruit and avocado post-harvest operations, orchard management & employment, Bay of Plenty, New Zealand.


DMS Management Team

Chief Executive Officer


Derek Masters

Derek commenced working for DMS in November 2008 in the position of Chief Operating Officer. Derek came to DMS having previously worked 20 plus years in both privately owned and International Corporations primarily in the manufacturing and FMCG sectors. His strengths lie in developing successful cohesive teams working together to create better production systems and processes, with a strong focus on quality products and service. This focus continues with delivering the best performance for DMS and for DMS supplying Growers. In late September 2017 Derek was appointed CEO.

Ph: +64 27 234 2484

Financial Controller

Barry Nally

Barry joined DMS as Chief Financial Officer in December 2020. He has an Honours Degree in Agribusiness and Food Management and is a fellow of the Institute of Chartered Accountants Ireland. He has considerable private practice and industry experience which has cultivated strong business development and analytical skills. Barry is responsible for the financial, company secretarial and commercial management of DMS; providing effective strategic, business and commercial decision making. Prior to joining DMS, Barry was the Financial Controller of ISO Limited which is an international port logistics company, part of the ASX listed Qube Holdings.

Orchard Operations Manager

Brett Kerrisk

Brett joined DMS in 2010 after having spent five years as a Rural Lending Manager with Rabobank in Pukekohe. His experience also includes the position of Technical Representative for Bay of Plenty Fertiliser Ltd, specialising in horticultural crops and he also has worked for Franklin Rural Management setting up and managing large scale farms including dairy equity partnerships. Brett spent some years as a Kiwifruit Grower in South Auckland and in the position of Orchard Operations Manager is further strengthening our Orchard Management Team whilst providing a full management service to the DMS corporate entities.

Ph: +64 21 407 749

Post Harvest Operations Manager


Aaron Price

Aaron has grown up within the local agricultural and horticultural industries working his way through most areas of the orchard and pack house. Aaron has gained an extensive understanding of the industry from the growing, harvesting, packing, cool chain, right through to loadout and into the marketplace. Aaron was successfully appointed Site Manager of our Te Puna Packhouse in early 2017 and most recently in 2020 moved in to a Post Harvest Operations Manager role.

Ph: +64 21 406 560

HR Manager

Rachael Trimble headshot

Rachael Trimble

Rachael joined the DMS team in February 2019 as Human Resource Manager. With a varied background in operations and HR management, since moving from Australia in 2006 has worked predominantly within the primary industries including agriculture, apiculture and forestry. She is committed to building successful teams and her energy comes from wanting people to be better every day; from connecting the right person to the right job, coaching and developing employees and managers or simply looking for different ways of doing things.

Ph: +64 27 227 3425

General Manager - Commercial and Services

Murray Gough

Ph: +64 27 544 4492

GM Business Development Manager


Phil Chisnall

Phil has been involved in the horticultural industry for 30 years. Joining DMS in June 2002 in the capacity of Orchard Manager for the Tauranga side of the business for the first four and a half years, Phil was appointed Site Manager for DMS Te Puna packhouse in January 2006. Phil is strongly focused on providing clear leadership, building strength and confidence within his team and nurturing a healthy team culture. He is passionate, competitive and driven to achieve outstanding results for DMS Growers. Phil is now responsible for Business development of our Avocado Business Unit.

Ph: +64 27 482 0271

Client Services Team

Client Services Support Manager

Bruce Macdonald


+64 27 222 4700

Client Services Manager

Luke Blommerde


+64 22 404 8379

Client Services Manager

Jeff Wagstaff


+64 27 280 3546

Client Services Manager

Scott St George


+64 27 549 9737

Client Services Manager

Geordie Gardiner


+64 27 275 0320

Avocado Business Manager

Hamish McKain


+64 27 220 2005

Orchard Operational Team

Orchard Operations Manager

Brett Kerrisk


+64 21 407 749

Orchard Manager, Te Puna

Tom Doughty


+64 27 201 3993

Orchard Manager, Te Puna

Amit Pathak


+64 27 463 0022

Orchard Manager, Te Puke

Matthew Greenbank


+64 27 271 5183

Orchard Manager, Te Puke

Phill Reha


+64 27 285 1601

Orchard Manager, Te Puke

Darcy Polamalu


+64 27 677 4545

Orchard Manager, Te Puke

Jacqui Clark


+64 27 261 9451

Orchard Manager, Te Puke

Shirley Maxwell


+64 27 573 6659

Orchard Manager, Te Puke

Lyn Crafar


+64 21 085 68293

Orchard Manager, Te Puke

Chris Finlayson


+64 27 299 8383

General Office

Business Information Analyst

Murray Owen


Inventory Manager

Liza Doughty


Quality and Compliance Manager

Lisa Bigham


Health and Safety Manager

Jacqui Ellingham


Human Resources Manager

Rachael Trimble



Kiwifuit Operations More info


Avocado Operations More info

DMS Calendar May 2022

  • Maturity monitoring
  • Harvest
  • Post-harvest foliar feed
  • Frost protection
  • Continue Psa protection
  • Structural pruning
  • Fertiliser application
  • AvoGreen pest monitoring
  • Inject trees - Phytophthora control