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  • AOAC International

    Official Methods Board
     Chair: 2024–
     Chair-elect: 2022–2024
     Member: 2018–2022
     OMA Methods Working Group Lead: 2020–
     Technical Policy Working Group Lead: 2020–

    Editorial Board of the Journal of AOAC International
     Past-Chair: 2023–2024
     Chair: 2020–2023
     Chair-elect: 2019–2020
     Member: 2014–2019
     Editor Search Working Group Lead: 2020–2023

    Codex STAN 234 AOAC Expert Review Panel
     Member: 2018–2019

    Membership committee
     Past-Chair: 2023–
     Chair: 2022–2023
     Co-Chair: 2020–2022
     Member: 2019–2020

    Fellows committee
     Member: 2016–2022

    Tellers committee
     Chair: 2021
     Member: 2020

    Stakeholder Program for Infant Formula and Adult Nutritionals (SPIFAN)
     Member: Advisory Panel, 2015–
     Chair: Nucleotides Working Group, 2011–2014
     Chair: Phospholipids Working Group, 2021–
     Member: SPIFAN Nutrients Expert Review Panel, 2011–
     Member: 19 Micronutrients Working Groups, 2010–
       Lactoferrin, MCPD & glycidyl esters, Carotenoids, Fluoride, Chloride, Amino acids,
       Vitamin K, Choline, Vitamin C, Carnitine, Vitamin E, Pantothenic acid, Whey protein, Folate,
       Vitamin D, Sn2 Fatty acids, Inositol, Vitamin B12, Vitamin A
     Member: SPIFAN Stakeholder Panel, 2011–2020
     Study Director: Lactoferrin Method AOAC 2021.07
     Study Director: Vitamin D Method AOAC 2016.05
     Study Director: Nucleotides Method AOAC 2011.20
     Study Director: Taurine Method AOAC 2022.03

    Food Analytical Methods Stakeholder Program (SPSFAM)
     Voting Member: SPSFAM Stakeholder Panel, 2014–2015

  • International Standards Organisation

    Food Committee—Vitamins Working Group (TC34/WG14)
     Member: 2014–
     Project Leader: Vitamin D https://www.iso.org/home.htmlISO 20636:2018
     Project Leader: Nucleotides ISO 20638:2015

    Food Committee—Milk Products Sub-Committee (TC34/SC5)
     Member: 2021–

    Food Committee—Fatty Acids at Sn2 Position Working Group (TC34/SC11/JW1)
     Member: 2021–

  • Other Voluntary Roles

    National
     Website design and administration: 2021–

    University of Waikato
     Industry supervisor for PhD student: 2018–2023

    Waikato Institute of Technology
     Co-supervisor for BTech student placement project: 2023

    Chile Ministry of Science, Technology, Knowledge and Innovation
     Invited national science fund grant reviewer: 2019

    Auckland University of Technology
     External curriculum reviewer for BSc degree chemistry major: 2022

    Global Proficiency—An independent proficiency service
     Member of NurtureChek Technical Advisory Group: 2023–

    International Accreditation New Zealand (IANZ)
     Key Technical Person (2.70) for accreditation for LC-MS methodology: 2020–

    International Accreditation New Zealand
     Laboratory auditor to ISO 17025 standard: 2007–

    Peer-reviewer for international science journals
     J. AOAC Int.; J. Chrom. B; J. Food Comp. Anal.; J. Agric. Food. Chem.; Anal. Bioanal. Chem.;
     Food Chem.; Int. Dairy J.; Food Anal. Method