📈 Business & Finance

💹Investment Banker

The dealmaker who prices companies and moves capital — a trade running from Medici Florence to today's pitch decks, paid for trust when billions change hands.

Also called: Dealmaker · M&A banker · Corporate financier

Glass towers of a financial district at dusk, where investment banks price the deals that move billions.
Elembis · Public domain

Quick facts

~$180k (US, 2024)First-year analyst pay
Bachelor's + internshipTypical entry
70–95 hrs/weekJunior working hours
~$100B/yrGlobal fee pool
$1M–$10M+Peak pay (managing dir.)
FINRA Series 79US license

Investment banking is the trade of standing between capital and the people who need it: advising companies, governments and funds when they buy, sell, merge or raise money, and underwriting the stocks and bonds that pay for it. The job is older than its name — Renaissance Florence's merchant banks financed kings and popes through bills of exchange, and the Medici, Fugger and Rothschild houses ran recognizably modern versions of the business centuries before Wall Street existed.

The modern firm is a pyramid apprenticeship. Analysts fresh from university build the models and the hundred-page pitch books; associates and vice presidents run the deal process; managing directors win the clients and take the 2 a.m. phone call when a transaction wobbles. Pay is extreme at every level and so are the hours: a leaked 2021 survey of Goldman Sachs first-year analysts reported working weeks averaging around 95 hours.

This page follows the trade from the ruin of Florence's Bardi and Peruzzi banks in the 1340s through Jakob Fugger's purchased empire, J. P. Morgan's locked library, the invention of the Eurobond, London's Big Bang and the fall of Lehman Brothers. It covers how people actually get hired today, what the junior years demand, who reached the top of the profession — from Osaka to Lagos to Wall Street — and how much of the work AI can realistically absorb.

The profile

429770355560
  • Resists AI42
  • Pay97
  • Barrier to entry70
  • Autonomy35
  • Demand55
  • Impact60

How exposed is it to AI?

55 / 100

High

A majority of current junior-banker hours go to tasks AI already performs credibly: assembling presentations, drafting first-cut models and comps, summarizing data-room documents, producing market-update materials. What resists automation is the senior franchise — winning mandates on trust, negotiating against humans, and signing regulated opinions someone must be liable for. The job survives; the pyramid beneath it narrows.

AI & The Future →

Seven ways into this profession

Frequently asked questions

What does an investment banker actually do?
Two things: advise and underwrite. Advisory bankers guide companies, governments and funds through mergers, acquisitions, sales and restructurings; capital-markets bankers raise money for them by underwriting new stocks and bonds and placing them with investors. Investment bankers do not manage individuals' savings or take deposits — the day-to-day work is valuation, negotiation, documents and long client meetings.
Is an investment banker the same as a regular banker?
No. A commercial banker takes deposits and makes loans; an investment banker advises on deals and underwrites securities. The two were legally separated in the United States by the Glass–Steagall Act of 1933 — which split Morgan Stanley out of J.P. Morgan — and although that wall came down in 1999, the jobs, skills and pay structures remain entirely different.
How much do investment bankers earn?
In the United States in 2024, first-year analysts typically earned around $170,000–200,000 in salary plus bonus, and managing directors from roughly $1 million to many multiples of that in strong deal years. London, Frankfurt, Hong Kong and Tokyo pay less at every level, and bonuses — the majority of senior pay — swing sharply with the deal cycle.
What degree do you need to become an investment banker?
A bachelor's degree, almost always from a university the banks actively recruit at; finance and economics are common but not required — London desks hire historians and classicists. There is no pre-hire license: US bankers sit the FINRA Series 79 exam after joining. The MBA is a separate, later door, used mainly by career-changers entering at associate level.
How many hours do investment bankers really work?
Junior bankers commonly work 70–95 hours a week during live deals, including weekends; a leaked 2021 internal survey of Goldman Sachs first-year analysts reported averages around 95 hours and five hours of sleep a night. Hours moderate with seniority, and since 2024 several banks, including JPMorgan, have formally capped junior weeks at roughly 80 hours.
What is a pitch book?
The presentation a bank prepares to win a mandate: valuation analysis, market context, potential buyers or targets, and the bank's credentials, often running to a hundred slides. Analysts and associates assemble them, frequently overnight. A famous irony of the trade is that most pitch books lose — banks routinely pitch many times for every mandate they actually win.
Will AI replace investment bankers?
It is already replacing parts of the junior workload — drafting presentations, building first-cut models, summarizing diligence documents. What it cannot yet do is win a board's trust, negotiate against another human, or take legal responsibility for a fairness opinion. The likeliest outcome is smaller analyst classes and unchanged demand for the senior bankers clients actually hire.
Why do so many analysts leave after two years?
Because the system is built that way. The two-to-three-year analyst program functions as a finishing school for finance: private-equity firms and hedge funds recruit analysts as early as their first year, and corporate development teams take many of the rest. Banks accept the churn — a minority stay to associate, and a small fraction of those eventually make managing director.

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