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Credentials
- Credentials
  Gain in-demand expertise and earn industry-recognized certifications.
  Scrum master
  Product owner
  Developer
  Facilitation
  Leadership
  Scaling agility
  
  Explore all certifications
  
  Featured
  Article
  How to choose between CSM and CSPO
  
  Webinar
  Standout skills for product owners
- Microcredentials
  Gain industry-recognized microcredentials for high-demand skills.
  ESSENTIALS
  Agile Essentials
  Scrum Essentials
  FUNCTIONS
  Agile for Marketing
  Agile in Sales
  SKILLS
  Agile OKRs
  BDD for Agile Teams
  Conflict Management Skills
  ROLES
  AI for Product Owners
  AI for Scrum Masters
  Introduction to Agile Coaching
  Becoming an Agile Coach
  Agile Coaching Skills
  Coaching for Change: Making Agility Work
  
  Explore all microcredentials
  
  Featured
  
  Course
  Introduction to Agile Coaching
  
  Course
  AI for Scrum Masters
- BECOME A TRAINING PARTNER
  Deliver world-class scrum and agile training
  Become a trainer
  Become a Registered Education Ally
  Build Your Trainer Portfolio
  Visit trainer application portal
  
  View all partner types
  
  Featured
  Article
  Learn about personal growth on the scrum trainer journey
  
  Webinar
  Navigate organizational resistance
- ENTERPRISE SOLUTIONS
  Elevate your organization with enterprise solutions.
  Learn about business agility
  
  Find a coach
  
  Find a training partner
  Learn more about certified coaches.
  Certified Team Coach
  
  Certified Enterprise Coach
  
  Looking for team or org-wide training solutions? Tell us more.
  
  Contact us
  
  Featured
  Webinar
  Discover strategies for organizational improvement
  
  Video
  Transform your approach and lead agile at scale
Getting certified
How it works
Choose from certifications to increase your skills and unlock new possibilities in your career.

Why get certified?
Earn agile certifications with substance, recognized by employers worldwide.

Renew your certification
Show your commitment to continuous growth by renewing your membership.

About scrum & agile
What is scrum?
Learn the agile framework that empowers teams to deliver customer-focused value.

What is business agility?
Drive consistent ROI by embracing an organizational culture that easily adapts to change.

Who is Scrum Alliance?
Established in 2001, we are the only nonprofit provider of the world's most recognizable agile certifications.

Featured
Video
Scrum in 10 minutes

Article
Refine your product owner resume
Learn
Resource library
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Host a regional gathering
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Find a user group
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Featured
Course
Skill up with this FREE AI course

Article
Transforming teaching skills into scrum master expertise
Search for ...
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STEPHANE CASTELAIN

STEPHANE CASTELAIN

Entzheim, France

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Title: ScrumMaster

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- 2012-01-02 - present - Divalto (ScrumMaster)

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