what managers need to know about it
DESCRIPTION
By Stephan Schmidt, mentor at www.berlinstartupacademy.comTRANSCRIPT
IT for CEOs What CEOs and Founders Need to Know About Software Development
Stephan Schmidt, Vice CTO, brands4friends
Me Stephan Schmidt Vice CTO brands4friends
@codemonkeyism
Stephan Schmidt - What Top Management needs to know about IT
Stephan Schmidt - What Top Management needs to know about IT
What CEOs and Founders Need to Know About Software Development
Stephan Schmidt - What Top Management needs to know about IT
Stephan Schmidt - What Top Management needs to know about IT
Top
Man
agem
ent
IT
GAP
Dragons
Voodoo
Black Magic
?
That’s wrong! Can’t manage Hidden risks
Stephan Schmidt - What Top Management needs to know about IT
What should you ask? What should a CEO ask his CTO? (VP Engineering, Lead developer, …)
Stephan Schmidt - What Top Management needs to know about IT
Stuff that risks your business or has huge revenue impact.
Stephan Schmidt - What Top Management needs to know about IT
Green Shifting.
Stephan Schmidt - What Top Management needs to know about IT
Questions to ask?
Stephan Schmidt - What Top Management needs to know about IT
What is our largest risk?
Stephan Schmidt - What Top Management needs to know about IT
How many SPOFs do you have? (People and technology)
Stephan Schmidt - What Top Management needs to know about IT
When was your last Backup? Where is it? When has it been tested the last time?
Stephan Schmidt - What Top Management needs to know about IT
When will we hit the wall? (More on that later)
Stephan Schmidt - What Top Management needs to know about IT
Development is a solved problem
Stephan Schmidt - What Top Management needs to know about IT
Time Scope
Resources ($$$)
Kanban (Lean)
Waterfall
Agile (Scrum)
Stephan Schmidt - What Top Management needs to know about IT
Time to market => more money
Stephan Schmidt - What Top Management needs to know about IT
Time to Market Largest lever is NOT development. Largest lever is decision phase.
Stephan Schmidt - What Top Management needs to know about IT
Front-up
Development Start
Development
Everyone focuses here
Problems are here
Idea
MarketOpportunity
Feeling of urgency
Time relative to competitor Reinertsen 1998
Stephan Schmidt - What Top Management needs to know about IT
Top Managementpossible impact
Reinertsen 1998
Attention of top management for a
project
Stephan Schmidt - What Top Management needs to know about IT
1 women needs 9 months to deliver a baby. 9 women do deliver a baby in 1 month.
Stephan Schmidt - What Top Management needs to know about IT
Time Time
1. Feature
2. Feature
3. Feature
4. Feature
5. Feature
1. F
eatu
re
2. F
eatu
re
3. F
eatu
re
4. F
eatu
re
5. F
eatu
re
Parallel Serial Stephan Schmidt - What Top Management needs to know about IT
Performance
Stephan Schmidt - What Top Management needs to know about IT
Stephan Schmidt - What Top Management needs to know about IT
Time
Scope
Stephan Schmidt - What Top Management needs to know about IT
Time
Scope
Stephan Schmidt - What Top Management needs to know about IT
Time
Scope
∞
Technical Debt
Stephan Schmidt - What Top Management needs to know about IT
Time
Technical Debt
Stephan Schmidt - What Top Management needs to know about IT
Time
Technical Debt
WALL
Rewrite
Stephan Schmidt - What Top Management needs to know about IT
Stephan Schmidt - What Top Management needs to know about IT
Work left to do
Time
Pressure
TechnicalDebt
Stephan Schmidt - What Top Management needs to know about IT
Time
Lines of Code
Ok
BAD
GOOD
How long does it take?
Stephan Schmidt - What Top Management needs to know about IT
Brooks Law: Adding people to a late project makes it later.
Stephan Schmidt - What Top Management needs to know about IT
Software estimation is usually done by the wrong people.
Stephan Schmidt - What Top Management needs to know about IT
4x
0,25x
1x
Cone of Uncertainty
Time
Steve McConnell
Software Complete
Initial Idea
Requirements Complete
UI Complete
Detailed DesignComplete
Stephan Schmidt - What Top Management needs to know about IT
Stephan Schmidt - What Top Management needs to know about IT
4x
0,25x
1x
Bad Cone of Uncertainty
Time
Steve McConnellInitial Idea
Requirements Complete
Estimation/Time
Probability
10% 50% 90%
1. August1. July 1. October
Stephan Schmidt - What Top Management needs to know about IT
Usually Estimation is not needed! Focus on Time to Market and What not when
Stephan Schmidt - What Top Management needs to know about IT
And don’t forget … Do not hire developers if you don’t know what you do.
Stephan Schmidt - What Top Management needs to know about IT
Thanks! Questions? @codemonkeyism [email protected]
Stephan Schmidt - What Top Management needs to know about IT
Sources
Stephan Schmidt - What Top Management needs to know about IT
“Software Estimation: Demystifying the Black Art”, Steve McConnell
“Developing Products in Half the Time”,
Donald G. Reinertsen “The Mythical Man-Month”,
Frederick P. Brooks “Peopleware”,
Tom DeMarco
DON’T FORGET! Maintenance typically consumes 40 to 80 percent of software costs.
Stephan Schmidt - What Top Management needs to know about IT
Productivity
Stephan Schmidt - What Top Management needs to know about IT
The most important factor in software work is the quality of the programmers.
Stephan Schmidt - What Top Management needs to know about IT
The best programmers are up to 28 times better than the worst programmers.
Stephan Schmidt - What Top Management needs to know about IT
Developers need 15 minutes to reach the ZONE.
Stephan Schmidt - What Top Management needs to know about IT
Site note: No telephones.
Stephan Schmidt - What Top Management needs to know about IT
Tools.
Stephan Schmidt - What Top Management needs to know about IT
No silver bullet.
Stephan Schmidt - What Top Management needs to know about IT
War on Talent
Stephan Schmidt - What Top Management needs to know about IT
When your recruiting pipeline is empty
3 months recruiting + 3 months notice period + 1 current month = 7 months from need to filled
Stephan Schmidt - What Top Management needs to know about IT