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Who are we?
WILL EVANS Director of UX Design !e Library Corporation
@semanticwill
Who I Am
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Let’s start with an exercise!
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Which is timeboxed
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You have 5 minutes
• Write down everything that you are working
on (or need to be working on) on a post-it
• ALL CAPS
• One item per post-it
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Draw Personal Kanban
TO DO DOING DONE
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What is a Kanban?
“A Card (or traditionally, a Kanban), is a symbolic token representing a unit of effort, either to be completed or in the process of being completed.”
- Jabe Bloom
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A Pull System
TODO DOING DONE
Boundary
Jabe Bloom, “!e Moment of Pull”
Future Past Present
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Why Lord? Why?
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How can Kanban help?
• Where are we now? • Who is working on what? • What should I be doing? • What should I not be doing?
Is it hard for every person in your organization to answer these questions:
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5 Basic Principles
• Visualize your workflow
• Limit your work-in-progress (WIP)
• Make policies explicit
• Measure your flow
• Model process improvement
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Visualize Workflow
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Management Interaction Gap
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Inference Ladder
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Why Limit Your WIP?
WIP (work-in-progress) is the proverbial “balls in the air you are juggling.”
!e more balls in the air, the harder it is to
concentrate; attention to detail suffers; quality goes down; shit goes undone; you feel bad; work
becomes overwhelming and unpleasant.
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David Anderson, “WIP Limits are for Adults, Too!”
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Typical Multi-tasking
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Shorter Cycle Time
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More Value & !roughput
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Minimize TOTAL Cycle Time
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Minimize TOTAL Cycle Time
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10 Reasons to Limit Your WIP
Jim Benson “Why Limit Your WIP: A PK Flow Series”
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Simple Kanban
TO DO DOING (3) DONE
Options Constraint
Chris Matts & Olav Maassen, “Real Options Underlie Agile Practices”
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WIP Limits
TO DO DOING (3) DONE
Forces conversation
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Measure & Manage Flow
Lead Time Cycle Time
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Small Batches & Cycles Reduce Risk
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Backlog To Do Doing (3) Testing (3) Done
WIP Limit
Explicit Policy
Make Policies Explicit
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Model Process Improvement
Value Stream Mapping: A graphical representation of the flow of work involved in turning an idea into a product consumed by a customer
Request Approve Requirements Signoff
Research Design Build Test Deploy
Delay
Customer
Delay
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Incremental Improvement
• Review bottlenecks
• Pair to increase flow
• Adjust WIP Limits
• Suggest improvements
• Measure Lead Time & Cycle Time
• Perform experiments
• Track results with metrics
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Real World Examples
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Challenges & Observations
Walk the Gemba > Walking up the inference ladder Make the board work for you & your team • Start with your existing process • !ere is no “One True Board!”
Keeping the value stream filled Pull is a mindset! Beware of “Infinite WIP” Recognize the true cost of context switching
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Further Reading
Start here !en Advanced
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THANKS!
WILL EVANS
@semanticwill
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