Transversal
Communication & Storytelling Challenges
Communication & Storytelling challenges put you to work making complex ideas land with the people who need them. You'll develop skills in Written Communication, Plain Language Writing, and Presentation Structure, sharpen Public Speaking, and turn numbers into meaning through Data Storytelling.
From there you'll handle the harder edges — Pyramid Principle storytelling, Executive briefing, Board-level communication, Crisis Communication, and Cross-cultural communication — writing Narrative memos and 6-Pagers the way high-trust teams actually do. Each challenge you solve earns a verified credential you can share with recruiters.
- AnalysisBeginnerNew
Model Bogotá's Bike-Share Network as a Graph for Overnight Rebalancing
Using only the supplied station directory, the aggregated origin-to-destination trip table, and the operations brief, build a directed weighted graph where each station is a nod…
- Graphs
- Networkx
- Shortest Path
Open coursework - DesignBeginnerNew
Designing a Cross-Cultural Communication Workshop for a Global Remote Team
Your task is to design a 4-hour interactive workshop that addresses cultural dimensions (e.g., power distance, direct vs. indirect communication) and provides practical tools fo…
- Cross Cultural Communication
- Workshop Design
- Facilitation
Open coursework - CodeBeginnerNew
Build an Interactive Carbon-Emissions Explorer for a Climate Nonprofit
You receive 20 years of harmonized European industrial emissions data (around 800,000 rows: country, sector, sub-sector, year, emissions in tons CO2e). Design and build an inter…
- Interactive Visualization
- D3
- Observable
Data Visualization - StrategyIntermediateNew
Repair Post-Merger Collaboration at Maison Luxe and EcoDenim
Using only the materials provided, design a three-month cultural integration program for the merged Maison Luxe and EcoDenim organization. First, diagnose the friction using the…
- Cross Cultural Communication
- Merger Integration
- Program Design
Open coursework Practice your coursework on real scenarios.
Every challenge is shaped from real-world context — not generic exercises. The work mirrors what your degree prepares you for.
Why Ewance
- DesignBeginnerNew
Draft a Model Card for a Generative Image Product
You receive the model's training-data summary, evaluation metrics, intended-use statement, and known failure modes from the ML team. Write: (a) a 3-page plain-language model car…
- Model Cards
- Transparency Documentation
- Responsible Ai
AI Ethics, Fairness, and Responsible AI - DesignIntermediateNew
Author a Scrollytelling Story on a Three-Week Ad-Fraud Anomaly
Using the internal investigation report (provided) and the anomaly dataset (provided), design a seven-section scrollytelling narrative and build it as a static web page. Structu…
- Narrative Visualization
- Scrollytelling
- Svelte
Open coursework - AnalysisBeginnerNew
Re-segment a SaaS Customer Base by How Accounts Actually Use the Product
Using the provided usage signals dataset, engineer features that capture how deeply and how often accounts use the product (not just raw volume), standardize them, and run at le…
- Clustering
- K Means
- Hdbscan
Open coursework - AnalysisBeginnerNew
Model Diffusion of a Hashtag Across a Music-Discovery Platform
You receive 30 days of hashtag-usage data (about 2.4 million events) with account metadata and the follow graph between active hashtag users. Fit an information-diffusion model …
- Diffusion Models
- Network Analysis
- Causal Attribution
Social Network Analysis and Web Science - Browse challenges
Explore role
Product Manager
Ship product that solves real user problems. Combine user research, prototyping, and stakeholder alignment to turn ambiguous briefs into measurable wins — the role at the centre of modern software teams.
- StrategyBeginnerNew
Design an Internal AI-Use Policy for a Mid-Cap Bank
You receive the bank's existing IT-acceptable-use policy and a description of which AI tools are being rolled out (an internal Anthropic Claude wrapper for general use; a code-c…
- Ai Governance
- Policy Design
- Responsible Ai
AI Ethics, Fairness, and Responsible AI - AnalysisBeginnerNew
Build a Public Open-Data Dashboard for Urban Mobility
Pull the city's open-data cyclist-collision dataset (10 years of incidents, geocoded). Define a clear before/after window around the protected-lane rollout, control for traffic-…
- Exploratory Data Analysis
- Data Wrangling
- Geospatial Analysis
Applied Data Analysis and Practical Data Science - CodeBeginnerNew
Reason about Drone Mission Plans with Probabilistic Logic
Build a small Bayesian network (around 12 nodes) capturing weather, no-fly-zone proximity, battery state, operator certification, and mission risk. Implement exact inference (va…
- Bayesian Networks
- Probabilistic Inference
- Knowledge Representation
Introduction to Artificial Intelligence - ResearchSeniorNew
Greenwashing Risk in a Fast Fashion Brand's Sustainability Campaign
You are a corporate responsibility analyst at TrendWear. The CEO wants to respond to the accusations without withdrawing the Green Line. Your task is to conduct a life-cycle ass…
- Life Cycle Assessment
- Sustainability Reporting
- Crisis Communication
Business Ethics and Corporate Responsibility Build a verifiable portfolio.
Submissions become evidence. Reviewers with shipping experience score against a rubric; the result becomes a credential anyone can verify.
Why Ewance
- ResearchIntermediateNew
Build a Generalization-Bound Tutorial for an MLE Onboarding Track
You will produce a Jupyter-notebook tutorial covering (1) sample-complexity intuition, (2) VC-dimension with worked examples for halfspaces and decision stumps, (3) Rademacher c…
- Statistical Learning Theory
- VC Dimension
- Rademacher Complexity
Statistical Machine Learning - CodeFoundationalNew
Build a Best-First Search Solver for a Delivery Startup's Test Lab
Build a Python module exposing uniform-cost search and A-star search on a 2D grid with weighted cells (open road, traffic, no-go). Implement two admissible heuristics for A-star…
- Search Algorithms
- Heuristic Design
- Python
Introduction to Artificial Intelligence - CodeBeginnerNew
Build a Crawler-and-Topic Pipeline for Public-Sector Web Analytics
You will build a polite, robots.txt-respecting crawler that ingests about 30,000 new posts/week across the 80 forums into a normalized dataset. Apply a topic model (BERTopic, wi…
- Web Crawling
- Topic Modeling
- NLP Pipeline
Open coursework - AnalysisFoundationalNew
Materiality Assessment for a Toronto Craft Brewery
Using the simulated financial statements provided (income statement, balance sheet, and notes), select an appropriate benchmark (e.g., revenue, profit before tax, total assets) …
- Materiality Assessment
- Audit Planning
- Financial Analysis
Auditing and Assurance - StrategyIntermediateNew
Brand Crisis Simulation for a Fast-Food Chain
You are the brand crisis team at QuickBite. Within 48 hours of the video's release, you must draft a public statement, an internal memo, and a 30-day crisis management plan. The…
- Crisis Communication
- Stakeholder Management
- Brand Equity
Open coursework - AnalysisIntermediateNew
Mine Basket History to Justify Grocery Shelf-Adjacency Changes
Work only from the materials provided. Use the basket transactions extract to mine frequent itemsets with FP-growth, tuning the minimum support level separately for the food, ho…
- Frequent Itemset Mining
- Fp Growth
- Spark
Open coursework - CodeIntermediateNew
Designing a Dynamic Pricing Engine for a Ride-Hailing Startup
Your team is given a dataset of historical rides (timestamp, pickup location zone, demand level, available drivers). You must design a pricing algorithm that: (1) uses a multipl…
- Python
- Pandas
- Simulation
Programming for Business Applications - AnalysisBeginnerNew
Revamping Motivation at a São Paulo D2C Cosmetics Startup
Your task is to conduct a motivational audit using Herzberg's two-factor theory and self-determination theory. You will interview (simulated) employees, identify hygiene and mot…
- Motivation Theory
- Diagnostic Analysis
- Change Management
Open coursework - StrategySeniorNew
International Expansion Strategy for a Fintech Startup
You are a strategy team of 3. Analyze three target markets (Indonesia, Vietnam, Philippines) using macroeconomic data, regulatory barriers, and competitive landscape. Recommend …
- Market Entry Strategy
- Macroeconomic Analysis
- Regulatory Analysis
Open coursework - StrategyBeginnerNew
Design an Open Innovation Pilot for GlowUp Naturals
Acting as a junior innovation consultant hired by GlowUp Naturals, design a six-month open innovation pilot and present it to the chief executive. Ground every recommendation in…
- Open Innovation
- Partner Scouting
- Ip Management
Open coursework - AnalysisBeginnerNew
Fraud Risk Assessment at a Fast-Growing Jakarta Fintech
Working in a team of 3-4, build a fraud risk register covering at least eight fraud risks across revenue recognition, expected credit loss estimation, management override, and r…
- Fraud Risk Assessment
- Analytical Procedures
- Data Analytics
Open coursework - AnalysisBeginnerNew
Map Creator Communities for a Short-Form Video Platform
You receive a 90-day sample of about 4 million creator-creator interactions (duets, mentions, audience overlap) and creator metadata (region, language, content tag). Build a cre…
- Network Analysis
- Community Detection
- Graph Visualization
Open coursework
How it works
From brief to credential, in six steps.
Step 01
Browse challenges aligned to your studies.
Step 02
Accept the one that fits your goals.
Step 03
Work through it with AI Copilot guidance.
Step 04
Submit for structured evaluation.
Step 05
Earn a verified credential.
Step 06
Add it to LinkedIn with one click.
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Sponsor a challenge and meet candidates through actual work.
Industry teams can shape briefs around the skills they hire for, then evaluate students on rubric-scored deliverables — not resumes.