Open space technology — Organizational Development

Harrison Owen's open space technology (OST) is a large-group method with no pre-set agenda. Participants create the agenda themselves in the opening session, then self-organize into concurrent sessions.

Owen's origin story: after organizing a conference, he noticed the coffee breaks were the most valuable part. Open space is a conference designed as a coffee break with a purpose.

Evidence: Weak. Practice-based, with no controlled evidence and no accepted outcome measure. Its four principles and the law of two feet are design conventions, not findings. The self-selection mechanism has a defensible rationale — every session contains only people who chose to be there — but this has not been tested against facilitated alternatives. Its documented failure mode is well attested: good day, no change, when convergence to action is skipped.

Use when: the issue is complex, opinions are diverse, there is genuine urgency, the answer is not known, and no single person can control the outcome. Owen's own four conditions.

Do not use when: the answer is already known, the decision is already made, or leadership cannot tolerate an unpredictable agenda. Running open space to legitimize a predetermined outcome is transparent and destructive.

Structure

A clear, compelling theme stated as an open question. The theme is the organizer's only content contribution and it carries the whole event.
A circle of chairs — everyone can see everyone.
Opening: the facilitator explains the principles and law, then invites anyone to post a session topic they will convene and care about.
A marketplace wall: topics × times × spaces.
Participants choose sessions freely.
Conveners record notes; notes are compiled into a proceedings document, ideally before the event ends.
Closing circle: reflection, then convergence into action commitments if the event is designed for it.

Scale: 5 to 2000 people. One to three days.

The four principles

Whoever comes are the right people. Passion, not position, determines value.
Whenever it starts is the right time. Creativity does not follow a clock.
Whatever happens is the only thing that could have. Work with what is, not with the plan.
When it's over, it's over. A session scheduled for ninety minutes that finishes in thirty is finished.

Some practitioners add: wherever it happens is the right place.

The law of two feet (or law of mobility)

If you find yourself somewhere you are neither learning nor contributing, use your two feet and go somewhere else. This is not rudeness; it is the mechanism that makes the method work — it guarantees every session contains only people who chose to be there.

Two roles follow:

Bumblebees cross-pollinate between sessions, carrying ideas.
Butterflies never attend a session and create unplanned conversation elsewhere. Owen counts this as valuable, not as absence.

Preconditions for success

A real question with a real stake. People must care.
Genuine openness. Leadership must accept topics they did not choose, including uncomfortable ones. Their willingness is tested within ten minutes.
Leadership present as participant, not as chair. An executive who opens the space and then leaves has communicated exactly what the event is worth.
A route to action. Without a convergence step and named owners, open space produces a good day and no change — its most common failure.

Examples by audience

Health care: strong for cross-professional issues where hierarchy usually determines the agenda — a whole-department day on "how do we make discharge work?" The law of two feet neutralizes some of the authority gradient, because nobody is captive in a session led by a senior person.
Software: internal unconferences and "open space days" are standard practice, and are frequently the most productive engineering event of the quarter. Pair with an explicit commitment session at the end and an owner for each commitment, or the proceedings become an artifact nobody reads.
Executive: useful for strategy exploration when the executive team genuinely does not know the answer, and destructive when used to manufacture buy-in for a decision already taken. Participants detect the difference immediately and remember it for years.

Limitations

Feels chaotic and unaccountable to control-oriented sponsors; brief them thoroughly in advance and have them commit publicly.
Convergence to action requires deliberate design and is often skipped.
Dominant voices can still dominate individual sessions.
Poor fit for decisions requiring representative legitimacy — attendees are self-selected.