Weil: the arithmetic of lost trust
On Wednesday 28 October, the leaders of Weil, Gotshal & Manges told the firm's lawyers over Zoom that they were recommending an orderly wind-down. They did not take questions. Ninety-five years of history and nearly $2.1 billion in revenue, undone in a matter of weeks. Weil was not losing money. There was no fraud, no scandal, no mountain of debt. Partners left, and once enough of them had left, the rest followed.
The arithmetic of a run
In Death of a Law Firm, which I published in 2015, I explained in detail why law firms are far more fragile than their profits suggest. The arithmetic is simple. Turnover minus cost is profit, and the profit is paid out in full every year. There are no savings. And the costs, mostly salaries and rent, are almost entirely fixed.
Weil had about $2 billion in revenue and a margin of around 46 per cent. That means $1.08 billion of costs had to be paid before any partner saw a dollar, leaving a profit pool of roughly $920 million for 173 equity partners. What matters is not what a partner earns but what they leave behind: their revenue minus their own pay, which is their contribution to covering the firm's costs. Mike Aiello's practice reportedly brought in around $125 million. If he took home $25 million, he contributed $100 million. Christopher Machera and Brian Parness, who left shortly before him, brought in roughly $100 million between them. Assume they were paid $15 million each, and they contributed another $70 million. Three partners were covering $170 million of Weil's costs.
Now take them away. Revenue falls by $225 million, about 11 per cent. Costs do not fall at all, at least not in the short term, so the whole of the lost contribution comes out of the profit pool. For the 170 equity partners who remain, that pool shrinks from about $865 million to $695 million. Each of them loses roughly $1 million a year, close to 20 per cent of their income. An 11 per cent drop in revenue becomes a 20 per cent drop in partner pay. That is the leverage of fixed costs, and it works in both directions.
Three partners were only the start. By 22 October, the day the ill-fated merger talks with Willkie Farr collapsed, at least 24 other partners had left since August or were reported to be leaving. Each took their contribution with them, and each time the same $1.08 billion of costs came to rest on fewer shoulders. The $1 million loss per remaining partner was a floor, not a ceiling.
This is where arithmetic turns into a run. Nearly all of the leavers went to firms that pay their partners more: Cravath, Paul Weiss, Simpson Thacher, Sullivan & Cromwell and Davis Polk. The partners who stayed watched their share at Weil shrink with every departure, while what they could earn across town stayed exactly where it was. Staying became the expensive option. Leaving early is cheaper than leaving late, because the first movers get the guarantees and the best seats. Heller Ehrman, Howrey, Dewey & LeBoeuf, Bingham McCutchen and Stroock all learned this. Each had its own trigger. In each case it was the run that killed the firm.
Not a story about greed
The arithmetic explains the speed. It does not explain why the first partners left. Here the popular verdict is ready to hand: greedy partners, a mercenary free-agent culture, a profession in which the 'brotherhood' of partnership and loyalty has become a relic of the past.
I don't buy it. In my book Law Firm Partner Compensation, which I published earlier this year, our research points the other way. Money is rarely the primary reason a partner moves. Most partners move away from their firm, not towards a particular destination. Partners become open to leaving only once their trust in the platform has eroded: in its strategy, in the quality of their colleagues, in its future. Until then the headhunter's call goes unanswered.
Weil fits this pattern closely. By any normal standard it was a healthy firm with a formidable name. Its problem was relative. Its profits per equity partner still grew by about 4 per cent in 2025, but its rivals grew much faster. Weil slipped from ninth in the Am Law profits per partner ranking in 2020 to twentieth in 2026. Its revenue grew by less than 3 per cent last year, against more than 13 per cent on average for the 50 largest US firms. As we show in our book, when a firm's profit per partner falls behind its rivals, discontent sets in even when its own figure is rising. Money is the yardstick by which partners measure whether their firm is winning. And when compensation lags behind the competition, the strategy is usually to blame.
That was Weil's real deficit. In September I argued that the firm was stuck in the middle: too large to follow Wachtell or Cravath in staying small and charging for scarcity, not profitable enough to keep pace with the firms bidding for its partners. Weil was instead in the middle of an uncertain leadership transition. Barry Wolf had led the firm for some 16 years. The committee charged with finding his successor was chaired by Aiello. Ramona Nee was chosen in March, and by September she had told partners she would no longer take the job. According to a person familiar with his thinking, Aiello left in part because Weil's leaders failed to set out a convincing long-term vision. When the chairman of your succession committee concludes the firm has no plan, he is not being mercenary. He is reading the room.
He was also, by all accounts, already the best-paid partner at the firm. Weil's statement noted, a little sourly, that he was leaving for "a smaller platform". It was meant as a put-down. It was the point. Partners do not choose platforms by size.
Why money cannot stop a run
For the same reason, compensation cannot stop a run once it has started. Higher pay, deferred distributions and bad leaver clauses, the financial handcuffs we describe at length in the book, raise the price of leaving. They do not restore the reason to stay. A higher package soon becomes the new normal, and there will always be a competitor offering more.
The greed narrative also gets the sequence wrong. Weil's partners did not discover the lateral market in August 2026. What changed was not their appetite but their confidence. Distrust opened the door; the arithmetic of fixed costs then pushed everyone through it. That is not greed. It is the logic of a partnership in which every remaining partner carries a larger share of costs that nobody can cut.
The lesson
A run is not prevented by compensation design or golden handcuffs. It is prevented years earlier, by a credible and compelling strategy: one that partners understand, believe in and can see working. A surprisingly large number of law firms do not have one. They float along on reputation and a rising market, and as long as profits grow nobody asks where the firm is heading. Weil floated for years, until its partners noticed that the firms they compared themselves with had moved on.
Fixing that is hard, and very few law firm leaders manage it on their own. They are partners first, elected by the people whose practices a real strategy would have to change, and too close to the firm to see it as the market does. The clever firms bring in outside help, not to write the strategy for them, but as a guide and a sparring partner who asks the questions nobody inside the partnership wants to ask.
Weil had excellent lawyers, loyal clients and one of the best-known names in the business. What it no longer had was a reason for its best partners to believe. Once that was gone, the arithmetic did the rest.
This article is part of a series drawing on the themes of Law Firm Partner Compensation by Jaap Bosman and Jaime Fernández Madero. If you would like to know more about this topic, read the book.
Our book Law Firm Partner Compensation is available worldwide on Amazon, national online book sellers, and can be ordered at your favorite bookstore
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