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.
- 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 - 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 - 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 - AnalysisSeniorNew
Social Listening for a B2B SaaS Brand Reputation
Your task is to perform a social listening analysis for CloudSync over the past 3 months. Constraints: use only free or trial versions of tools (e.g., Brandwatch, Talkwalker, or…
- Social Listening
- Sentiment Analysis
- Reputation Management
Social Media Marketing Develop in-demand professional skills.
Each challenge names the skills it strengthens. Over time, your profile fills with the competences a hiring manager would actually look for.
Why Ewance
- StrategyIntermediateNew
Charting the Course: Ewance's Strategic Entry into the European Higher-Ed Market
Ewance has established a strong presence in its home market, but the leadership team believes significant untapped potential exists across Europe. The goal of this challenge is …
- Market Analysis
- Business Strategy
- Financial Modeling
Open coursework - 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 - 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 - StrategyIntermediateNew
Internationalization Strategy for a Lagos D2C Cosmetics Brand
Your task is to analyze the attractiveness of three candidate regions (Southeast Asia, Middle East, North America) for GlowNative's expansion, recommend one, and design a detail…
- Market Analysis
- International Business
- Strategic Planning
Open coursework - Browse challenges
Explore role
Strategy Analyst
Frame the business question, model the options, build the recommendation. From market sizing to competitive analysis, this role is where strategy consulting meets in-house decision-making.
- 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 - PresentationBeginnerNew
Storytelling Visualization of an Autonomous Vehicle Test Campaign
You receive aggregated test results: 12,000 test runs across dry, wet, and snow conditions, with metrics for disengagement rate, near-miss count, and route-completion percentage…
- Data Storytelling
- Audience Adaptation
- Chart Design
Data Visualization - 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 - 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 Get recognized by recruiters and employers.
Credentials are blockchain-anchored via LearnCoin — tamper-evident, portable, link-shareable on LinkedIn and beyond.
Why Ewance
- 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
Field-Valuing a Paris Subscription Cosmetics Scale-Up
Investigate using ONLY the supplied materials and the public sources listed in them. First, read the company data pack (case-file) to extract historical revenue, margins, subscr…
- DCF Valuation
- Comparable Company Analysis
- Financial Modeling
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 - StrategyBeginnerNew
Investigate and Plan Zeno Pay's 90-Day Scrum Transition
Treat this as a field investigation before a plan. Start by reading the Zeno Pay Current-State Dossier (provided case-file) to understand the three squads, the people, and the c…
- Scrum
- Change Management
- Backlog Design
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 - 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
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.