Leadership Team


The day-to-day management of the Company is delegated to the Chief Executive Officer of PGG Wrightson. The Board monitors and reviews management’s performance in carrying out this delegation.

  • Mark Dewdney
    Chief Executive Officer
  • Cedric Bayly
    General Manager, PGG Wrightson Wool
    Cedric Bayly.jpg

    Cedric Bayly

    General Manager, PGG Wrightson Wool


    Cedric was appointed as General Manager PGG Wrightson Wool Limited in August 2011. Previously, he was the National Manager of Elders Primary Wool Limited and for nine years was General Manager Wool at Williams and Kettle Limited, which amalgamated with Wrightson Limited just prior to the merger between Pyne Gould Guinness Limited and Wrightson Limited in 2005. Cedric is responsible for all aspects of the Wool business including procurement, logistics, sales and wool export.

  • Julian Daly
    General Manager, Strategy & Corporate Affairs
    Julian Daly.jpg

    Julian Daly

    General Manager, Strategy & Corporate Affairs


    Julian is responsible for Group Strategy, Legal, Corporate Communications, Governance and the Risk & Assurance functions for PGG Wrightson Limited. He also held the role of Acting General Manager of PGG Wrightson Real Estate Limited during 2013. Julian has broad operational involvement across the business and is Chairman of the Credit Committee, Director of a number of Group subsidiaries and a Trustee of the PGG Wrightson Employee Benefits Plan Limited. He is a former General Counsel of DB Breweries Limited and has previously worked for law firms in the Middle East and New Zealand.

  • Grant Edwards
    General Manager, Regions

    Grant Edwards

    General Manager, Regions


    As General Manager of Regions, Grant is responsible for the management and support of the Company’s Regional Managers and their businesses. He combines this role with managing the Otago Region. After his graduation from Lincoln University, Grant began with Reid Farmers Limited within their Livestock Division. He has held positions as Pyne Gould Guinness Limited Wool Manager and Divisional Manager of Otago. He has also worked within rural banking and finance sectors, and holds his Real Estate papers.

  • David Green
    General Manager, NZ Seeds

    David Green

    General Manager, NZ Seeds


    David is General Manager New Zealand Seeds at PGG Wrightson Seeds Limited, a position he has held for the last five years. He is responsible for all facets of the New Zealand Seed business and the Australasian and international Turf businesses. David graduated from Lincoln University in 1990 with a B.Com (Ag) degree and since then has worked in many roles for PGG Wrightson Seeds Limited and its predecessor companies. David is a former executive member of NZGSTA and a current executive member for the NZPBRA. He is a director of joint venture R&D companies Grasslands Innovation Limited and Forage Innovations Limited.

  • Stephen Guerin
    General Manager, Retail
    StephenGuerin.jpg

    Stephen Guerin

    General Manager, Retail


    Stephen has worked for PGG Wrightson Limited and its predecessor companies for 27 years. He is responsible for all aspects of the Retail Group business which includes Rural Supplies, Agritrade and Fruitfed Supplies. He holds a Bachelor in Business Studies (Accounting) from Massey University.

  • Sue Horo
    General Manager, Human Resources

    Sue Horo

    General Manager, Human Resources


    Sue joined PGG Wrightson Limited in 2007 and has led the Human Resources and Payroll team since 2011. Through this role she is the owner of the PGG Wrightson’s People Strategy, with the foundations of this being performance, leadership and culture. She has worked in the field of Human Resources for the last 15 years in New Zealand organisations.

  • John McKenzie
    Group General Manager, Seed & Grain
    John McKenzie

    John McKenzie

    Group General Manager, Seed & Grain


    John started his career as a Farm Consultant in mid-Canterbury and was a founder of the specialist proprietary seed company Agricom Limited in 1985 which was purchased by Pyne Gould Guinness Limited in July 2005. At that time, he led the merger of Agricom Limited, PGG Wrightson Seeds Limited and Wrightson Seeds Limited. He continues to have responsibility for all aspects of the Seed and Grain business both domestically and off-shore for PGG Wrightson Limited and its subsidiaries. John is Chairman of PGG Wrightson’s Joint Venture R&D companies Grasslands Innovation Limited and Forage Innovations Limited. He also has farming interests in Canterbury in arable and dairy.

  • Peter Moore
    General Manager, Livestock
    Peter Moore

    Peter Moore

    General Manager, Livestock


    Peter joined PGG Wrightson Limited in August 2014 as General Manager for Livestock. Prior to joining the business he headed up Fonterra’s International Farming Ventures business from 2008 until 2013, responsible for developing and implementing the strategy to selectively invest in milk pools outside of New Zealand and Australia. His major focus was the development of the scale farms in China plus dairy development in Latin America and Asia. Prior to this Peter worked in Fonterra’s risk management team and before joining Fonterra in 2005 he managed AgResearch farms across New Zealand. Peter grew up on the family hill country sheep and beef farm in the Waikato and spent a number of years managing this in partnership with his family.

  • Peter Newbold
    General Manager, Real Estate
    Peter Newbold

    Peter Newbold

    General Manager, Real Estate


    Peter was appointed as General Manager Real Estate at PGG Wrightson Real Estate Limited in September 2013. Peter was previously General Manager of New Zealand Sotheby’s International Realty. Peter was previously employed by Wrightson Limited from 1995-2005 during which time he held a range of roles including Marketing Manager and Business Development Manager.

  • John Parker
    General Manager, PGG Wrightson Water
    John Parker

    John Parker

    General Manager, PGG Wrightson Water


    John was appointed as General Manager Irrigation and Pumping in July 2007 after joining PGG Wrightson Limited in December 2005 as its Commercial Manager, Financial Services. John, a chartered accountant, held various commercial management roles prior to joining PGG Wrightson Limited over a number of different industries. John is responsible for all aspects of the PGG Wrightson Water (previously Irrigation and Pumping) business.

  • Brent Sycamore
    General Manager, Grain

    Brent Sycamore

    General Manager, Grain


    Brent joined Wrightson Limited in 2001 and held various management roles in New Zealand and Australia prior to the formation of PGG Wrightson Limited. He was appointed as General Manager Grain in 2006 and was responsible for the merger of several businesses to form PGG Wrightson Grain. Prior to the Wrightson/PGG Wrightson roles Brent held positions with BP Limited, Pyne Gould Guinness Limited and Ernst & Young.