By Andreas Pettersson, Founder, Leaders ADAPT
Three groups I looked at joining had no women in them. When I asked the facilitators about it, two dodged the question. That ended the conversation on my side, and it taught me more about selection than any brochure did.
I shopped for a peer group as a CEO, and today I fill the seats in one. Most of what is written about the criteria for selecting executives for peer groups is written for the member who wants in. This is for the person who decides who gets in: the chair, the organizer, the CEO building an internal forum. If you sit on the member side, read it anyway. It tells you what a serious room is screening you for.
Quick answer: The criteria for selecting executives for peer groups are stage proximity (revenue, headcount and complexity within about one stage of each other), decision authority (owners and chief executives who live with their own calls), no competitive overlap, deliberate industry and background diversity, a give-get balance, confidentiality, and attendance commitment. Organizers then cap group size, screen for ego in a test session, and refuse candidates who are not ready, because one wrong seat changes the whole room.
Who belongs in the same peer group room, and who does not
Peer group selection is the process of choosing members whose stage, authority, mix and temperament let a small group give each other honest, usable input over time. Every test below checks one of those four words.
The mistake organizers make is treating selection as sales. A seat is open, a plausible executive is interested, the seat gets filled. Six months later the room has one person who dominates, one who never shows, and two so far apart in stage that they cannot help each other. Nobody chose that. It arrived one reasonable admission at a time. The criteria below are the reasons I say no.
Test 1: stage proximity within one step
Put a $2M company next to a $200M company and both waste the hour. The larger one mentors, the smaller one spectates.
I select for stage and mindset rather than a flat revenue stage cutoff. The CEO peer groups that gate on $5 million of revenue are buying homogeneity with a number, which is a legitimate model. What matters is whether people face the same class of problem this year: first sales hire, a board that wants an AI strategy, a partner who has to go.
Test 2: decision authority, owners before hired executives
The question I tell founders to ask any group leader: how many of your members own the company, and how many run more than one?
A hired CEO six months from the next job carries different incentives into the room than an owner who lives with every decision. A room of owners talks about margin, succession and personal risk. A room of hired executives talks about the board. Mix them deliberately or keep them apart.
My own filter is entrepreneurs who own multiple businesses or who do not fit the revenue-gated networks, including people with zero current revenue after an exit, as long as they have built something before and have the drive to build again.
Test 3: no competitive overlap, then maximum diversity
Non-competing is table stakes: direct competitors kill candor, and candor is the product.
The bigger selection error runs the other way. Same-industry groups feel efficient, and the more alike the people are, the less they learn over time. You get tools and industry knowledge in the short term. You do not get leadership, business or culture, because the room shares the same blind spots. Industry diversity is where the value comes from. Diversity is king in these groups.
That includes gender and background, and it is a criterion, not a courtesy. I have recruited a member specifically because the group needed more commercial and marketing minds. Balance is engineered.
Test 4: give-get balance
Weigh what a candidate can contribute, not only what they need. A room of takers stalls within a quarter.
One rule I state to every prospective member: if you can help someone in the group, jump on a call and help them. Do not pitch them. If they ask what you charge, fine. Members doing business with each other is healthy and happens often. Members prospecting each other is the beginning of the end.
Test 5: ego, and the test-run tell
You will not find ego on an application form. You find it in a test session, in the first thirty minutes: if everyone is talking over one another and there is a lot of monologue when you run a trial meeting, that is a very good indicator there are a lot of egos in the group. You are not going to have a dialogue. A candidate who monologues as a guest will monologue in every session.
The inverse tell is worth more: a candidate who says "what did you already try" before "here is what I would do".
Test 6: confidentiality and attendance as conditions
One leak ends a group. Vet for discretion the way you would vet a board member.
Attendance is the other half. Rooms degrade fast once the same chairs sit empty, and I learned it the expensive way: my Friday sessions had attendance problems, so I canceled them, polled the members, and rebuilt the cadence around early mornings people could keep. Ask a candidate what they said no to last quarter. If the answer is nothing, they will say no to you.
Test 7: readiness, and the courage to say no
Not everyone who qualifies is ready. I have told two prospects on the same day that they were not a culture fit and kept their emails for later, and redirected a candidate to a friend's group because she would get more from a woman-led room. I do not push. If you are wobbling, you are not ready.
New one-on-one coaching clients stay out of my group until they can take direct feedback in front of others. Dropping someone into a peer room before that is generosity disguised as selection.
Group size: why twelve is the number
Size is a selection decision, because every seat you add changes what the others get.
I cap at twelve. Twelve allows three breakout rooms of four, which has proven more valuable than any single format I have tried, and it is small enough that people actually know each other. Above that, airtime collapses and big groups become an education track. When a group fills, I start a new one. Past about twenty companies in a room, dominant voices take over no matter how good the facilitator is.
How to keep the room balanced after launch
Selection is not a one-time gate. When I launched my current group, the room held mature companies. A year in, everyone had moved and several newer members were much earlier. The format that worked at launch no longer fit, so the format changed, not the mission. Re-run the seven tests on the room every six months, and fix the composition before you fix the agenda.
How membership selection differs from compensation peer group selection
Search the phrase and most of what comes back is about executive compensation benchmarking, where a company picks comparable firms to set pay. Same words, different product.
| Criterion | Membership peer group (people in a room) | Compensation peer group (companies on a spreadsheet) |
|---|---|---|
| Purpose | Honest input on live decisions | Benchmark pay against comparable firms |
| Unit selected | An individual executive | A company |
| Filters | Stage, authority, diversity, temperament, attendance | Industry, revenue, market cap, geography, growth |
| Size | Roughly 8 to 16 | Often 12 to 20 companies |
| Who decides | Chair or organizer | Compensation committee with advisers |
| Failure mode | Ego, drift, empty seats, competitors in the room | Cherry-picked peers that inflate pay |
Everything on this page is about people.
The criteria for selecting executives for peer groups, in the order I apply them
Criteria only work in an order. Mine:
- A fifteen-minute qualification call. It vets the person and creates a little performance pressure, which is informative.
- The room's mix stated to the candidate: how many owners, how many run more than one company, which industries are taken. Indifference to the answers is data.
- A strengths assessment before the start, so the room can read each other from day one.
- A two-pager from the candidate: their challenges, and the outcomes they expect at one, three and six months.
- A two-hour onboarding conversation.
- References the other way round. When a candidate asks for references, I connect them to current members and tell them to ask what those members wish they got more of.
- A decision deadline. I ask once more; if they have not decided, I stop asking. Indecision at the door predicts indecision in the room.
The sequence rejects more people than it admits, and I only launch a new group once five committed members have signed.
What the group leader's track record tells you about the members
If you are on the member side, one shortcut: the leader of the group reflects who is in the group. If you show up and the people are not top notch, that tells you something about the leader.
What that role looks like inside one large network is in my guide to the Vistage executive coach; the category itself is defined in what peer advisory groups are.
Frequently asked questions about selecting executives for peer groups
What are the criteria for selecting executives for peer groups?
The commonly used criteria for selecting executives for peer groups are stage proximity (similar revenue, headcount and complexity), decision authority (members who own the final call), no direct competitors in the group, deliberate diversity of industry, gender and background, a balance between what each member contributes and needs, confidentiality, and a commitment to attend. Organizers also screen for temperament in a trial session and cap group size to protect airtime.
Should a peer group mix industries or stay within one industry?
Most organizers exclude direct competitors and then mix industries on purpose. Same-industry groups transfer tools and benchmarks quickly, but members share the same blind spots, so learning about leadership, culture and business fundamentals tends to flatten over time. Cross-industry groups learn more slowly on tools and more deeply on decisions. Industry-specific groups remain useful where shared technical or regulatory context matters more than perspective.
What is the right size for an executive peer group?
Common practice ranges from about 8 to 16 members. Smaller groups give each member more airtime and deeper hot seats; larger groups offer more perspectives but less individual attention. Some organizers cap at twelve because it splits into three working groups of four and stays small enough for personal relationships. Above roughly twenty participants, dominant voices tend to take over and the session becomes a class.
Should members be business owners or hired executives?
Both can be strong members, but they bring different incentives. Owners live with the long-term consequences of their decisions and tend to discuss margin, succession and personal risk. Hired executives operate within a board mandate and a tenure horizon. Many organizers ask how many members are owners versus hired executives and how many run more than one company, then either mix the two deliberately or build separate rooms.
How do you screen a candidate before admitting them to a peer group?
Typical screening includes a short qualification call, a description of the group's current mix and rules, a strengths or personality assessment, a written statement of the candidate's challenges and expected outcomes on a timeline, an onboarding conversation, and a guest visit to a live session. Some groups also connect candidates with current members for references in both directions. A firm decision deadline is common.
What disqualifies an executive from a peer group?
Frequent disqualifiers are a direct competitive overlap with an existing member, a stage too far from the rest of the room, dominating or monologuing in a trial session, treating the group as a prospecting list, a calendar that cannot support consistent attendance, and any sign that confidentiality would not hold. Readiness also matters: executives who cannot yet take direct feedback in front of peers are usually better served by one-on-one coaching first.
Selection is the product
Everything a peer group promises, honest input, faster decisions, people who pick up the phone, comes from who is in the room. Format and cost are secondary. A great chair with the wrong twelve people runs a pleasant lunch.
Stage within one step. Owners or authority. Non-competing, maximum diversity. Givers. No monologues. People who show up. And the discipline to say no to the seventh qualified candidate because the room already has one of them.
Choosing a room rather than building one? The hub's four-question peer group fit finder narrows the list in minutes.
How my own room is selected
The CEO Mastermind I run applies the criteria for selecting executives for peer groups above and is capped at twelve. Members complete a strengths assessment and a two-pager before their first session, get a one-to-one with me every month, and are told at the door that the room is warm, firm and very direct. The one thing I keep off the website is the question I ask in the qualification call to find out whether someone will give before they take. It has rejected more candidates than every other test combined.
Book a fit call at /contact. If the room is wrong for you, I will point you to a better one on the call.
Andreas Pettersson founded and scaled an AI company, was one of Canon's youngest CEOs, and now runs a CEO peer group and coaches founders at Leaders ADAPT.
