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Julien, Agile Coach & Scrum Master

Julien

Agile Coach & Scrum Master

Passionate about agility and collaborative estimation methods, Julien helps Scrum teams adopt Planning Poker and continuously improve their estimation practices. With several years of experience as a Scrum Master and Agile Coach, he shares his lessons learned, practical advice, and a watchful eye on how the Product Owner role is evolving in the age of artificial intelligence.

  • Certified Agile Coach
  • Experienced Scrum Master
  • Specialist in agile estimation techniques
  • Planning Poker & Sprint Planning trainer

Articles by Julien

Person holding playing cards on a white table, by Andrik Langfield on Unsplash
Planning Poker rules: the complete guide

Everything you need to know to run a Planning Poker session: rules, roles, card values, step-by-step process, and tips for remote teams.

JulienJune 4, 2026
Planning Poker
Colorful sticky notes pinned to a planning board, by Patrick Perkins on Unsplash
Sprint planning: a practical guide for Scrum teams

Sprint planning is where the team decides what to build next. Here is how to run it well, from backlog preparation to capacity planning.

JulienJune 4, 2026
Planning Poker
Small gold balance scale on colorful wood, by Elena Mozhvilo on Unsplash
Agile estimation techniques for sprint planning

Planning Poker, T-Shirt Sizing, affinity mapping, or no estimates at all? A practical comparison of every estimation method used in sprint planning.

JulienJune 4, 2026
Estimation
Silhouettes of people immersed in a digital light installation evoking the future of AI
The future of the Product Owner role in an AI-driven world

If AI takes on a growing share of the Product Owner's operational tasks, what's left of the role?

JulienMay 16, 2026
Artificial Intelligence
Electronic processor engraved with AI on a motherboard, symbolising the integration of AI into product workflows
From idea to backlog: concrete workflows of an AI-assisted PO

How to concretely integrate AI into day-to-day backlog management workflows, from refinement to Sprint Review?

JulienMay 15, 2026
Artificial Intelligence
3D representation of a brain-shaped neural network symbolising AI in service of the Product Owner
The augmented Product Owner: AI as a strategic copilot

The Product Owner is the keeper of the product vision and the master of the backlog. What if AI became their most valuable ally?

JulienMay 14, 2026
Artificial Intelligence
Two smiling colleagues collaborating remotely in front of a tablet during a remote Planning Poker session
Planning Poker remote

Your team is scattered across the globe? Don't worry — Planning Poker works very well remotely.

JulienMay 13, 2026
Planning Poker
Glass hourglass with running sand symbolising the measurement of time in person-days
Story points vs person-days

The eternal debate of agile teams. Spoiler: they are not the same thing, and confusing them is expensive.

JulienMay 12, 2026
Estimation
Two blue directional signs pointing opposite ways, symbolising the choice between Fibonacci and T-Shirt Sizing
Fibonacci vs T-Shirt Sizing: which method should you pick?

Two popular approaches, two different philosophies. Which one fits your team?

JulienMay 12, 2026
Estimation
Close-up of a graduated measuring ruler symbolising relative estimation in story points
What is a story point?

The mysterious unit of measurement in agile. Not an hour, not a day, not a kilogram… and yet everyone talks about it.

JulienMay 11, 2026
Estimation
Spiral shell fossil illustrating the Fibonacci sequence in nature
Why use Fibonacci in agile?

0, 1, 2, 3, 5, 8, 13… The sequence that conquered both mathematics and sprint retrospectives.

JulienMay 11, 2026
Estimation
Clothing rack sorted by size, illustrating the T-Shirt Sizing concept in agile estimation
T-Shirt Sizing: estimation in clothing sizes

XS, S, M, L, XL, XXL… Not for your wardrobe, but for your agile tickets.

JulienMay 10, 2026
Estimation
Flipchart covered in colourful post-its with agile keywords like vision, teamwork and feedback
How to estimate an agile ticket?

Estimation is hard. Estimating well is an art. And missing your estimates as a team is called a failed sprint.

JulienMay 10, 2026
Estimation
Product Owner organising post-its on a glass board to prioritise the product backlog
Product Owner: what is it?

The product's conductor. Neither developer nor manager, but a bit of both at the same time.

JulienMay 4, 2026
Roles
Agile team in a meeting in front of a board with colorful post-its and laptops during a planning session
Planning Poker: The Art of Team Estimation

An estimation session disguised as a card game. Spoiler: it's far more effective than a spreadsheet.

JulienMay 4, 2026
Planning Poker