An investment committee that never says no has stopped being a check on anything. The difference between a real pressure test and a rubber stamp is almost never visible from the approval rate alone.
13 min read · Level 4
There is a comforting assumption that a rigorous-sounding process - a formal committee, a memo template, a scheduled meeting - is itself evidence of rigor, and it is one of the more expensive assumptions available in this business. Process without a structural mechanism for disagreement is theatre with better production values than no process at all, because it produces the same rubber-stamped outcome while feeling considerably more responsible. The actual mechanism that makes a committee worth having is narrow and specific: someone, assigned in advance and with nothing to lose by disagreeing, has to try to break the case, and that attempt has to be written down whether it succeeds or not. Everything else - the meeting cadence, the slide format, the seniority of who attends - is set dressing. A two-person partnership with a genuine, rotated devil's advocate and a written pre-mortem is doing more real pressure-testing than a twelve-person committee that has quietly agreed, without ever saying so, that saying no is not really an option anymore.
An investment committee exists to do one thing a single decision-maker structurally cannot do for themselves: disagree with the person who wrote the memo, out loud, before the money is committed. Everything about how a committee is run either supports that function or quietly disables it, and most of the disabling happens through habits that look completely reasonable in the room.
The most common disabling habit is speed dressed up as efficiency. A committee that reviews many deals per meeting, spends a short and roughly equal amount of time on each, and approves nearly all of them has one of two explanations, and they look identical from the outside. Either the sourcing and screening process upstream is genuinely excellent, filtering out the weak deals before they ever reach committee - in which case a high approval rate is a sign of a good process working correctly - or the committee itself has stopped functioning as a check and is rubber-stamping decisions that were effectively made earlier by whoever brought the deal. There is no way to tell these apart from the approval rate alone, which is exactly why approval rate is a poor metric for whether an IC process works.
The genuine test is different: does the process produce real, recorded disagreement, and does that disagreement change outcomes often enough to prove it was live rather than theatrical? A pre-mortem exercise - writing, as though from the future, the specific story of how this investment failed - forces the kind of specific disagreement a generic 'any concerns?' prompt never does, because it requires naming a mechanism rather than voicing a mood. A rotating devil's advocate role, assigned to someone with no stake in having sourced the deal, produces dissent even in a room that would otherwise default to agreement, provided the disagreement is written down rather than raised and then dropped once the room's mood settles back toward yes.
What a committee decides is not really whether the deal is good - the person who wrote the memo has usually already convinced themselves of that, or they would not have brought it. What a functioning committee decides is whether the case survives an attempt, by people with no investment in having sourced it, to find the mechanism by which it fails. A committee that has never once said no in a year has either an extraordinary sourcing process behind it, or it has quietly stopped doing that job.
Because herding is the natural state of any group making a decision together, and it takes a specific, deliberate structure to counteract it rather than a general intention to 'think critically.' Once the first senior person in the room expresses support, disagreement carries a real social cost that agreement does not, and that cost is paid by the same person every time unless the process assigns someone to pay it on purpose.
And because the value of a committee is not in the vote itself but in what the process surfaces before the vote happens. A pre-mortem that produces a specific, dated, checkable failure story does two things a simple approval does not: it gives the deal's own team something concrete to monitor after the money is wired, and it creates a record that a future review - the subject of the next lesson - can actually check against what happened. An approval with no dissent on record and no pre-mortem attached leaves nothing behind except the fact that a decision was made.
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Two constructed, composite investment committees, illustrating the same structural point rather than describing any real fund.
Committee A reviews fourteen deals in a typical quarter. Average discussion time per deal is eleven minutes. All fourteen are approved - a 100% approval rate for the quarter. No formal dissent is recorded on any of the fourteen, and no pre-mortem exercise is part of the process.
Committee B reviews fifteen deals in the same period. A rotating devil's advocate is assigned before each meeting, and a written pre-mortem - naming the specific way the investment fails, in the past tense, as though writing from two years in the future - is required before any vote. Average discussion time per deal is thirty-four minutes. Twelve of fifteen are approved; three are declined, a rejection rate of 20.0%.
The approval-rate comparison alone tells you nothing about which committee is doing a better job - Committee A's 100% could reflect an unusually strong upstream screening process that filters weak deals out before they ever reach the room. The diagnostic that actually distinguishes them is what happens to the three declined deals at Committee B and whether the surviving twelve carry anything Committee A's fourteen do not.
Of Committee B's three declines, the case notes show two were declined for reasons that a careful screen should have caught before the deal reached committee at all - a customer concentration figure that had simply not been checked earlier, and a licence dependency that a five-minute contract review would have surfaced. Those two are not evidence the committee process is working; they are evidence the upstream screen has a gap, and moving the check earlier would let the committee spend its time elsewhere. The third decline is different: it was declined specifically because the pre-mortem exercise surfaced a mechanism - a founder dependency on a single enterprise customer representing 61.0% of revenue, discovered only because the devil's advocate role required someone to compute the concentration figure the memo itself had not included - that the original memo's own bear case had missed entirely. That third decline is what a functioning committee process is actually for: catching something the memo's author, working alone, did not find.
The specific wrong move is measuring committee quality by its approval rate in either direction - treating a high rate as evidence of rubber-stamping, or treating a low rate as evidence of rigor. Both readings ignore the sourcing process that happens before committee, which can make either number mean almost anything.
The second is running a pre-mortem as a formality - asking 'what could go wrong?' and accepting the same generic categories the bear-case lesson already warned against, rather than requiring the past-tense, specific version: 'it is two years from now and this failed - what happened?' The phrasing genuinely changes the answers people give, and a pre-mortem that produces 'execution risk' has not been run properly.
The third is assigning a devil's advocate role and then overruling it without recording why. If the assigned dissenter raises a specific concern and the committee proceeds anyway, that is sometimes the right call - but only if the reasoning for proceeding despite the concern is written down. An overruled devil's advocate whose objection simply disappears from the record has provided the appearance of pressure-testing without any of its substance.
Track what fraction of deals are filtered out before committee, and what fraction are declined at committee, as two different numbers. A committee's approval rate only means something once you know how much filtering already happened upstream.
'It is two years from now and this failed - what happened?' rather than 'what are the risks?'. The tense forces a specific story rather than a list of categories, and specific stories are the ones a later review can actually check.
Whoever sourced or championed the deal cannot fill this role. The assignment should be made before the meeting, not volunteered in the moment, because volunteering already selects for people comfortable disagreeing rather than ensuring disagreement happens regardless.
If the devil's advocate raises a specific concern and the committee proceeds anyway, write down both the concern and the reasoning for proceeding despite it. This is what turns an overruled objection into information rather than into nothing.
In any process where more than one person is required to approve a private investment - a formal fund committee, an angel syndicate's lead-and-follow structure, or even a two-person partnership where one partner sources and the other reviews.
A solo investor deciding alone has no committee to run, and importing this structure artificially - debating yourself in writing under two different names - mostly produces theatre. The equivalent discipline for a single decision-maker is the walk-away note and the decision journal, covered elsewhere in this curriculum, not a simulated committee.
A shape that recurs in investment processes that adopt a pre-mortem exercise is that it gets applied selectively - run in full for deals the room already had reservations about, and skipped or rushed for the deals everyone is excited about. This inverts the exercise's actual value, since the deals generating the most enthusiasm are precisely the ones where an unexamined assumption is most likely to be hiding, protected by the room's own momentum rather than by anything about the company.
Run the pre-mortem on every deal that reaches a final vote, with identical rigor regardless of how excited the room already is - the deals that most need it are the ones where skipping it feels most natural.
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