Rob Guanyi Sun
Adelaide,SA
Summary
Innovative winemaker known for high productivity and efficient task completion. Specialize in vineyard management, fermentation processes, and blending techniques. Excel at problem-solving, time management, and creative thinking to enhance wine quality and production efficiency. Committed to leveraging knowledge of sensory evaluation to craft exceptional wines.
Overview
14
14
years of professional experience
1
1
Certification
Work History
Vintage Winemaker
Treasury Wine Estates
Barossa Valley
01.2025 - Current
- Execute the crush program in liaison with the crusher team to maximize space and operational efficiency.
- Manage additions and adjustments at the crusher.
- Allocate and batch fruits and keep process records.
- Fortified ferment tracking, pressing, and fortification.
Vineyard Manager/Winemaker
Balhannah Wine Estate
Adelaide Hills
06.2024 - Current
- Responsible for the operation and maintenance of tractors and machines in a 20-ha premium vineyard.
- Supervise a team of 20 contractors in all aspects of vineyard operations to achieve cost and quality objectives.
- Work closely with the agronomist to adjust and implement the spray and irrigation program to reflect seasonal changes.
- Winemaking consultation for the owner at the contract winery.
Associate Judge
Adelaide Hills Wine Show
11.2024 - 11.2024
Vintage Cellar Hand
Shaw + Smith
Adelaide Hills
02.2024 - 06.2024
- Execute all cellar operations, from the weight bridge to final blending, to the utmost standard.
- Extensive experience in operating the Pellenc optical sorter and ferment assembly via forklift.
Vintage Winemaker
DBR Lafite Domaine Long Dai
China
08.2023 - 01.2024
- Report to the technical director of Château Lafite, assist in all aspects of hands-on cellar operation, ferment management, tasting, and final blending.
- Support the vineyard manager in vegetation mapping, mid-row crop selection, and team supervision in winter.
Assistant Winemaker
Pernod Ricard
Barossa Valley
01.2022 - 07.2023
- Report to Chief Winemaker Orlando and Senior White Winemaker to craft premium red and textural white.
- Contribute to classification, tasting, and blending.
- Manage over 10 million liters of Jacob’s Creek red inventory from fermentation to bottling, maintain product compliance, and LIP.
- During vintage, I am responsible for yeast culture, juice fining, fermentation management, addition, and GF/MLF monitoring.
- Experience in the NOLOW trial, improvement, and fining.
- Contribute to AI winemaking software development and test runs for vintage 2024.
Vineyard Operator
Vinteloper
Adelaide Hills
05.2021 - 01.2022
- Perform cane and spur pruning with the Simonit concept, spur-to-cane conversion, layering, and rejuvenation of 2019 bush fire-damaged vines, as well as new block planting.
- Hands-on green season work before the harvest.
Vintage Cellar Hand + Lab Tech
Two Hands Wines
Barossa Valley
02.2021 - 05.2021
- Execute all aspects of cellar activities with a focus on premium Shiraz production.
- Work as a lab technician for post-vintage GF/MLF monitoring.
Assistant Sommelier
Crafers Hotel
Adelaide Hills
05.2020 - 01.2021
- Assist the head sommelier in designing the wine pairing program, stock control, staff training, and new wine selections.
Scholarship Vintage Winemaker
Pernod Ricard
Barossa Valley
01.2020 - 04.2020
- Weigh bridge inspection and generate work notes, run juice fining trials and micro-ferment trials on smoke taint parcels
- Manage ferment, record keeping and cover lab during night shift
- Supervise clarification and pressing operation.
Sommelier + FOH
Penfolds Magill Estate
Adelaide
02.2016 - 01.2020
- Select wine pairing to match daily tasting menu, and staff training
- Host private dining experience in Penfolds Kalimna house Barossa
- Lead wine team at functions for UK royal family, Krug launch, Penfolds global launch and Penfolds & Thienot launch
Assistant Restaurant Manager
The Eliot Hotel
Boston, USA
05.2014 - 05.2015
- Manage a team of 10 front and back of house staff to provide daily breakfast service.
- Responsible for the roster, inventory control, and collaborating with the PM team.
Banquet Team Leader
Dromoland Castel Hotel
, Ireland
01.2013 - 05.2014
- Supervise a team of 5 for food and beverage service, room setup and pack down
F&B Management Internship
Four Seasons Resort
Seychelles
05.2013 - 07.2013
- Assist the restaurant manager and sommelier in supervising service and meeting guest satisfaction.
- Design weekly restaurant theme, and host private dining experience.
F&B Internship
Killarney Park Hotel
Ireland
01.2011 - 01.2012
- Section waiter, room service, and food runner in a fine dining restaurant.
Education
Bachelor of Oenology and Viticulture -
University of Adelaide
Bachelor of Business - International Hotel Management
National University of Ireland, Galway
Skills
- Fermentation management
- Wine blending
- Quality control
- Data analysis
- Inventory management
- Equipment maintenance
Certification
- French Wine Scholar-highest honour, Wine Scholar Guild
- Master of Burgundy-honour, Wine Scholar Guild
- Master of Champagne-honour, Wine Scholar Guild
- WSET- lv3
- Jacob’s Creek winemaking scholarship
- Forklift licence, Confined Space, Chem Cert, HACCP, RSA
Languages
Chinese (Mandarin)
Native/ Bilingual
English
Full Professional
French
Elementary
References
References available upon request.
Timeline
Vintage Winemaker
Treasury Wine Estates
01.2025 - Current
Associate Judge
Adelaide Hills Wine Show
11.2024 - 11.2024
Vineyard Manager/Winemaker
Balhannah Wine Estate
06.2024 - Current
Vintage Cellar Hand
Shaw + Smith
02.2024 - 06.2024
Vintage Winemaker
DBR Lafite Domaine Long Dai
08.2023 - 01.2024
Assistant Winemaker
Pernod Ricard
01.2022 - 07.2023
Vineyard Operator
Vinteloper
05.2021 - 01.2022
Vintage Cellar Hand + Lab Tech
Two Hands Wines
02.2021 - 05.2021
Assistant Sommelier
Crafers Hotel
05.2020 - 01.2021
Scholarship Vintage Winemaker
Pernod Ricard
01.2020 - 04.2020
Sommelier + FOH
Penfolds Magill Estate
02.2016 - 01.2020
Assistant Restaurant Manager
The Eliot Hotel
05.2014 - 05.2015
F&B Management Internship
Four Seasons Resort
05.2013 - 07.2013
Banquet Team Leader
Dromoland Castel Hotel
01.2013 - 05.2014
F&B Internship
Killarney Park Hotel
01.2011 - 01.2012
Bachelor of Oenology and Viticulture -
University of Adelaide
Bachelor of Business - International Hotel Management
National University of Ireland, Galway
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