Auckland, New Zealand

Sam
Grenfell

I sit at the intersection of commercial instinct, data thinking, and emerging technology — with a background spanning field sales, business analysis, and fintech. Currently exploring what's possible at the edge of blockchain and real-world assets.

01

Experience

Oct 2024 – Sep 2025

Constellation Brands

Territory Sales Representative

Managed a multi-channel sales territory across supermarket and liquor accounts — driving distribution, visibility, and revenue growth. Analysed sales data and market trends to identify growth opportunities and optimise account performance. Executed trade marketing initiatives and merchandising strategies aligned with brand objectives.

Sales Strategy Data Analysis Trade Marketing Account Management

May 2023 – Aug 2024

Chalmers Organics

Business Analyst / Procurement Manager

Led ERP migration to Unleashed, improving data accuracy and inventory visibility across the business. Built Excel forecasting models and BOMs to support procurement and production planning. Drove process improvements that reduced labour requirements and improved operational efficiency — contributing analytical insights directly to senior leadership.

ERP Implementation Financial Modelling Process Improvement Procurement

Dec 2022 – Jan 2023

Power Finance

Summer Intern — Deals Team

Conducted market and competitor research to support deal and product analysis. Performed overseas market gap analysis and regulatory research. Contributed strategic and commercial insights to the deals team across live transactions.

Deal Analysis Market Research Regulatory Analysis
02

Projects

01

VineVault

A fine wine tokenization platform built on the XRP Ledger using the Multi-Purpose Token standard. Positioning fine wine as a tradeable, transparent asset class — think the NYSE for bottles. Deep research into market-making mechanics, end-to-end user flows, and XRPL/MPT technical architecture.

XRPL Blockchain Tokenization Fintech RWA
02

The Nineteenth

A Streamlit analytics dashboard built for a fictional Auckland venue — exploring how data science tools can surface operational insights in hospitality. Built to develop hands-on skills in Python, data wrangling, and interactive visualisation from scratch.

Python Streamlit Data Analysis Visualisation
03

Education

2019 – 2022

Auckland University of Technology

Bachelor of Commerce — Major in Marketing, Minor in Behavioural Economics

2014 – 2018

King's College

NCEA Level 3, Endorsed with Merit

Beyond the desk

Men's Premier Player — Auckland University Hockey Club (2020–2025)

Auckland U21 Representative Hockey (2019)

Pauline Mellow Memorial Prize for Visual Art (2017 & 2018)

04

Contact

Always up for a good conversation.

I'm open to roles at startups and scaleups in Auckland — particularly anything data-adjacent, growth-oriented, or at the intersection of fintech and emerging technology.