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BCG Online Case "Casey": The Complete Strategy Guide to Cracking BCG's AI-Powered Case Screen
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Beating BCG's First Gate: The Complete Guide to "Casey," the Chatbot Online Case
What you'll learn in this article: What "Casey" actually is, its latest format and specifications, how it differs in critical ways from a traditional case interview, how to nail the 60-second video recommendation, and the fastest, most reliable route to clearing it. Everything below reflects the current (2026) state of BCG's online case.
Introduction: Candidates Are Failing BCG Before They Ever Speak to a Human
Many BCG hopefuls polish their resumes, refine their personal stories, and work through case interview books. They prepare diligently, right up to a point. And yet, in 2026, a large share of candidates are quietly eliminated before exchanging a single word with a human interviewer.
The reason is the subject of this article: Casey.
Casey is BCG's chatbot-based online case (the Online Case Experience, or OCE). It replaced the older first-round screen, the "Potential Test," and is now the standard first-round screening tool across the vast majority of BCG offices worldwide. For most candidates, Casey is the first real gate that decides whether you ever reach a live interview at all.
What makes Casey dangerous is that it looks like an automated quiz. Because of that, many candidates walk in underprepared. But Casey is a scored assessment in its own right. If you don't clear it, you will never get the chance to show a human interviewer the case skills you worked so hard to build.
In this guide, we'll first make sure you understand exactly how Casey works, then lay out systematically what successful candidates actually do to pass. At the end, we'll show you how Alpha Academy's case interview and Casey preparation gets you through this gate by the shortest possible route.
1. What Casey Is: BCG's Chatbot-Style Online Case
Casey is an online case study you solve by interacting with an on-screen chatbot, an interface that looks much like a messaging app. Instead of meeting a consultant in person or over video, you complete it from home on a laptop equipped with a webcam.
One crucial point: Casey is not a flexible, conversational AI that adapts its dialogue to your answers. Casey presents a fixed sequence of questions, you type your response and hit "submit," and you move on to the next one. Unlike a human interviewer, it will not drop hints or nudge you back on track mid-case.
It goes by several names
Casey has several names in circulation, and this is a common source of confusion.
・Casey: the name of the chatbot itself
・BCG Online Case: how it's described within the recruiting process
・Online Case Experience (OCE): BCG's own official term
・The HireQuotient online case: in some offices (London, parts of Southeast Asia), the same Casey experience is delivered through a platform called HireQuotient
If your invitation email mentions "HireQuotient," or describes "a business case with exhibits and a recommendation," you are almost certainly looking at Casey.
Don't confuse it with the CCA
One thing you must never mix up is the difference between Casey and the CCA (Consulting Career Assessment).
The CCA is a broader screening test that often comes before Casey. Designed and administered by SHL, it combines a behavioral section (e.g., how colleagues or managers would describe your working style) with numerical and logical reasoning. It typically runs around 30 to 35 minutes and is often sent shortly after you apply.
Casey, on the other hand, takes the case interview itself, reading exhibits, doing the math, and delivering a final recommendation, and moves it online. The two have different purposes and different content. Confirm the test name written in your invitation email, and prepare for the right one. That's the first step.
2. The Big Picture: Where Casey Sits in BCG's Process
To prepare for Casey properly, you need to know where it fits in the overall recruiting funnel. As of 2026, the standard flow used by most offices looks like this.
・Application: submit your resume and cover letter
・Resume screening: those who pass move forward
・CCA (Consulting Career Assessment): behavioral and numerical/logical screening (not sent for every office or role)
・Casey (Online Case): the subject of this article; effectively the first real gate
・First-round interviews (live cases): typically one or two 45-minute interviews with human interviewers (case and fit)
・Final round: interviews with managers and partners, sometimes including a written case
On timing: the online case invitation usually arrives within a few days of applying, and you typically have about one week to complete it. "I'll start preparing once the invite arrives" is far too late. The rule of thumb is simple: start preparing before you even apply.
Note that some European offices (Germany, Switzerland) use a cognitive or numerical reasoning test instead of Casey, and some offices add Pymetrics (neuroscience-based mini-games). Ultimately, the wording in your own invitation email is the final word.
3. Casey's Specifications: Latest Format
Here are Casey's concrete specs. Details vary by office, role, and testing cycle, but the current standard shape is as follows.
Three points deserve special emphasis.
A calculator is allowed, which makes the math harder, not easier. Because calculator use is assumed, the math tends to be more multi-step and complex than in a live interview. Get thoroughly comfortable with your calculator or app well before test day. What the questions really test is not arithmetic speed but correct setup: knowing which numbers to combine and how.
No going back, no skipping, so early mistakes snowball. In a live interview, the interviewer might say, "Let's reconsider that interpretation." Casey gives you no such feedback. A misread exhibit or a wrong calculation early on cascades into the later questions built on top of it. Precision in the opening stretch is decisive.
The final 60-second video is your biggest "consultant" moment. On top of your typed answers, you finish by speaking your recommendation to the webcam in about 60 seconds. The time limit is strict and retakes are generally not allowed. This is the clearest signal Casey has of your client communication ability: whether you can advise like a consultant.
4. Breaking Down Casey's Question Patterns
Casey takes a single business problem and works through it via a fixed sequence of questions. Mapping the typical flow reveals where to focus.
1. The opening dataset-selection question
Casey often opens with a dataset-selection prompt. You might be shown roughly eight candidate data sources and asked which are most relevant to the problem. Before any real analysis begins, it tests your triage skill: your ability to choose the right information.
2. Data and exhibit interpretation
Bar charts, stacked bar charts, waterfall charts, scatter plots, tables. You'll need to read the right numbers from multiple exhibits quickly and accurately. BCG cases lean heavily on those three chart types (waterfall, stacked bar, scatter). The skill is spotting, at a glance, exactly where to look to answer the question.
3. Multi-step business math
Expect calculations that mirror real consulting work. For example: "If current cost is X and you shift the channel mix to Y, what is the annual cost saving?" You can use a calculator, but a wrong setup means a wrong answer in one stroke. Speed and accuracy must coexist.
4. Multiple choice (business judgment)
These test business judgment: identifying the correct interpretation of data, choosing the right next analytical step, or selecting the best recommendation from several options.
5. Short written answers
You'll explain your reasoning in roughly three to five sentences. The key to a high score is showing the logic and the business implication, not just the conclusion. Scoring rewards the quality of your reasoning, how you thought, not merely whether you landed on the right number.
6. The final 60-second video recommendation
Drawing on the whole case, you deliver your recommendation to the CEO in about 60 seconds. We cover the playbook for this in the next section.
5. Five Decisive Differences From a Traditional Case Interview
Prepare for Casey as if it were simply "a case interview done online," and it will usually trip you up. The essential differences are these.
1. There is no feedback, so mistakes chain together. In a live case, the interviewer shapes the conversation and corrects your errors. In Casey, you carry the whole thing alone, and an early slip snowballs all the way through.
2. The time pressure is more brutal. On-screen timers run throughout, and the video cutoff is strict. There is no one waiting for you.
3. It tests fast reading, not listening. Instead of a verbal exchange, you read substantial blocks of text and exhibits yourself. Reading speed translates directly into your score.
4. The math is heavier and more about structure. Because the calculator handles arithmetic, what's really tested is your problem setup. The computational load runs higher than in a live case.
5. It ends with a self-recorded presentation. The 60-second recorded recommendation is unique to Casey. You need to prepare your real-world setup (camera, lighting, background, and connection) just as much as the content.
In short: Casey tests not only the substance of casing but also your familiarity with the format, your time management, and your ability to perform in a digital environment, all at once. Strong casers fail simply because they're unaccustomed to the format. That is the danger of Casey.
6. The Four Skills Casey Measures
Distilled, Casey measures four capabilities; fundamentally the same ones evaluated in a live BCG case interview.
・Data interpretation and analysis: read multiple exhibits quickly and pull the right numbers accurately
・Business math and logical thinking: solve multi-step business calculations with correct setup, under time pressure
・Structuring and business judgment: break the problem apart, form a hypothesis, and choose the best course of action
・Communication: within a 60-second limit, deliver "conclusion, reasons, next action/risk" clearly and with confidence
The goal of preparation is to be able to deploy all four under Casey's particular set of constraints.
7. The Final 60 Seconds: The Single Most Decisive Minute
Many candidates overlook it, but the 60-second video is the part of Casey where the biggest gaps open up. It's where it becomes clear, fast, whether you can advise like a consultant.
The best move is to walk in with a fixed, conclusion-first format based on the Pyramid Principle. Do not ramble through every exhibit one by one. Use this structure.
The Golden Structure for the 60-Second Video
Recommendation (approx. 10 seconds): Lead with the conclusion. Say it outright: "I recommend X."
Example: "I recommend raising prices by 5 to 8% on the two highest-cost SKUs and renegotiating supplier contracts, rather than cutting marketing across the board."
Support (approx. 35 seconds): Back it with two data points or facts, stated concisely.
Next action or risk (approx. 15 seconds): Touch on the immediate next step toward execution, or a risk worth flagging.
State "conclusion, two supporting points, risk or next action" in that order, within 60 seconds. Internalize this structure and rehearse it on camera repeatedly, reviewing each take. That's what produces calm, persuasive delivery on the day. Eye contact, tone, expression, and a clean background are all part of what's being evaluated.
8. A Preparation Roadmap: Where to Start
Casey is "case preparation, plus Casey-specific constraints." You build general casing skills, then layer Casey-specific training on top.
Step 1: Always do BCG's three official practice cases
BCG publishes three official interactive cases on its careers site, the closest free approximation of the Casey experience. Run through each at least once before you sit the test.
・Climate Case Challenge: a CEO wants to reduce environmental impact; you build the business case for a climate target and decide which initiatives to pursue
・Restore Customer Satisfaction (Digital Bank): a digital bank has dropped to number 6 in customer satisfaction rankings; refresh its digital strategy to push it back into the top three
・Support a Cloud Migration: a consumer goods company is upgrading its ERP system; evaluate the cloud-migration options and recommend an approach to the CEO
One caveat: BCG's site shows you what cases look like, but it doesn't teach you how to solve them. Treat it as orientation, getting a feel for the style, not as training.
Step 2: Drill exhibit reading and math on a timer
With the real time limits in mind, repeatedly practice the "read the chart, set up the equation, calculate" loop within the clock. Put extra weight on waterfall charts, stacked bars, and scatter plots.
Step 3: Run solo cases that replicate "no going back, no pausing"
Build up solo cases that reproduce Casey's constraints: no pausing, no going back, finishing in one continuous run. This is where you train yourself out of the habit of stalling mid-case.
Step 4: Finish the 60-second video through "record, then review"
Using the golden structure above, record yourself on a webcam, watch it back, and improve. Repeat. That one minute will transform.
On timing: Many candidates invest 4 to 6 weeks and 50 to 80 hours total in BCG preparation including Casey. "Once the invite arrives" is simply not enough time.
9. Common Traps Self-Studiers Fall Into
Across many candidates, failures on Casey follow recognizable patterns.
・Trap 1: Confusing the CCA with Casey and preparing for the wrong test. Always check the test name in your invitation email.
・Trap 2: Preparing only for live cases and getting swamped by the format. "Can't go back, read fast, self-record" requires its own preparation.
・Trap 3: Taking the math lightly because a calculator is allowed. A setup error early on collapses the rest, snowball-style.
・Trap 4: Improvising the 60-second video on the day. Rambling, running out of time, conclusion never lands.
・Trap 5: Feeling "done" after merely clicking through the official cases. The solving steps have never actually been learned.
And the biggest trap of all: practicing alone, with no feedback. Yes, the real Casey gives no feedback. But if your practice has no feedback either, you'll never notice your habitual mistakes or your flawed setups. That is precisely where self-study hits its ceiling.
10. Why Self-Study Rarely Lifts Your Pass Rate
Acceptance rates at top firms like BCG sit at just 1 to 2% of applicants. Even the first-round live interview pass rate is around 30 to 40%, and many candidates are eliminated quietly at the Casey stage that precedes it.
There are clear reasons clearing this gate alone is hard.
You can't see your own weaknesses objectively. Quirks in exhibit interpretation, distortions in your setup, and a bloated 60-second video are invisible without someone pointing them out.
It's hard to reproduce the real constraints. Setting up disciplined practice under "can't go back, can't pause, can't re-record" pressure, correctly and alone, is difficult.
The scoring criteria are hidden. Casey rewards not just the right number but how you thought. Grasping what earns a high score is tough without someone who knows the patterns of successful candidates guiding you.
In other words, how well you can secure real feedback and realistic, exam-true practice during preparation is what determines your Casey pass rate.
11. Alpha Academy's Case Interview Prep and Casey Prep
Here's the heart of it. Alpha Academy offers both case interview preparation and Casey preparation. That's exactly why you should start now and go all in.
Alpha Academy has supported more than 80,000 clients over more than 18 years. We've built a track record of placements at top-tier destinations including Goldman Sachs, McKinsey, Morgan Stanley, major trading companies, and global PE, hedge fund, and asset management firms. The case interview that sits at the core of consulting recruiting at MBB (McKinsey, BCG, Bain) and beyond is precisely where Alpha Academy is strongest.
1. Build the foundation through case interview training
The four skills Casey tests (data interpretation, business math, structuring/judgment, and communication) are all, at root, case interview skills. Alpha Academy's case interview training doesn't drill framework memorization. It develops the actual thought process BCG truly values: breaking a problem apart yourself, forming a hypothesis, and speaking with numbers.
2. Reproduce the real constraints through unlimited AI practice
This is the core of our Casey preparation. Alpha Academy offers case practice powered by Alpha AI Training, an AI rigorously fine-tuned by Emi Sakashita.
Alpha Training features five distinct AI interviewer personas, each testing your case thinking with a different style, difficulty, and level of toughness. Its greatest strength is that you can reproduce the real-exam tension ("the other side won't wait for you, and feedback comes after the fact") as many times as you want, exactly like Casey.
・Run cases anytime, 24/7, with unlimited repetitions
・Review exhibit interpretation, setup, structuring, and synthesis question by question
・Internalize the conclusion-first structure for the 60-second video recommendation as a repeatable template
・Get the objective feedback every single time that self-study can never provide
Alpha Training resolves, in one stroke, the two greatest weaknesses of self-study: the absence of feedback and the difficulty of reproducing the real exam.
3. One continuous path from Casey through the live and final rounds
Casey is only a checkpoint. Beyond it lie the first-round live cases and the final partner interviews. With Alpha Academy, we support you across the entire process, from Casey prep through live cases, fit interviews, and the final round, as one continuous path. This isn't a quick fix for Casey alone. It's seamless preparation aimed all the way at the offer.
12. Conclusion: Today Is the Fastest Possible Starting Line
To recap the key points.
・Casey is BCG's chatbot-style online case. As of 2026, it's the standard first-round screen across nearly all BCG offices.
・The format is about 8 to 10 questions, roughly 35 minutes total, calculator allowed, no going back, and a 60-second video at the end.
・Unlike a traditional case interview, there's no feedback, early mistakes chain together, and it demands fast reading and a self-recorded pitch.
・The four skills required are data interpretation, business math, structuring, and communication.
・The biggest barrier in self-study is the absence of feedback and the difficulty of reproducing the real exam.
The fastest route over that barrier is Alpha Academy's case interview and Casey preparation.
The Casey invitation arrives within days of applying, and you have only about one week to complete it. "I'll prepare once the invite comes" will not work. If you're going to move, today is the fastest possible starting line.
Alpha Academy has both case interview prep and Casey prep. Start now and go all in. We'll run the shortest route to BCG and the other top firms alongside you, drawing on the knowledge built across more than 18 years and 80,000+ clients, and on unlimited, exam-true AI practice. Reach out anytime.
Note: Casey's specifications (number of questions, duration, question formats, etc.) vary by office, role, and testing cycle. For the definitive details, always check the wording of your own invitation email.
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TJ Profile
TJ: Formerly with Sumitomo Corporation, where he worked in the Corporate Accounting Department overseeing budgeting, financial reporting, and performance management for over 800 domestic and overseas group companies, as well as IR (Investor Relations) activities. Selected as the youngest trainee for Sumitomo Corporation of America (New York), where he contributed to the restructuring of a U.S. electric arc furnace steel business invested in by Sumitomo. Later joined the Project Finance Department, where he was engaged in arranging large-scale financings for infrastructure projects in developing countries and financing for Jupiter Telecommunications. Selected as a company-sponsored candidate for overseas MBA programs.
Earned his MBA at the University of Chicago Booth School of Business, with concentrations in Finance, Entrepreneurship, and Organizational Management. Founder of the University of Chicago Japanese Association. Initiated and executed the school’s first-ever “Japan Trip”, which has since become an annual tradition.
Subsequently joined Goldman Sachs Japan’s Investment Banking Division, where he advised on numerous M&A transactions in the media and consumer sectors, supported capital raising including IPOs, and worked on private equity investments and corporate restructuring assignments.
Selected as one of only six fellows (out of over 200 applicants) for the 4th Entrepreneurial Leadership Program of the Japan Association of Corporate Executives (Keizai Doyukai), where he received mentorship from leading entrepreneurs including Hideo Sawada, Chairman of H.I.S.
Served as President of the Chicago Booth Alumni Association in Japan (2006–2010). Has guided numerous candidates to admission at top MBA programs (Harvard, Stanford, and other leading schools in the U.S., Europe, and Asia), graduate schools, universities, and boarding schools. Track record of placing students at leading global firms including Mitsubishi Corporation, McKinsey & Company, Goldman Sachs, BlackRock, Google, Big 4 consulting/FAS, Dentsu, Toyota, MUFG Bank, Nomura Securities, among others.
Renowned for his rigorous one-on-one coaching for TOEFL, GMAT, IELTS, and GRE, with a reputation for pushing candidates to fully complete their preparation. Highly regarded for his ability to design and achieve career and academic goals with unmatched quality and precision. As a result, he is in high demand as an advisor, with numerous requests to work directly under his guidance.