Tess O’Brien | General Assembly

Want to thrive in an AI-first world? Our FREE Survival Skills Series gives you new tools to add to your kit.

AI is already reshaping hiring and talent development. Download the State of Tech Talent 2026 for global insights on what's working.

Training Solutions
- Workshops
  Learn a new skill
- For Companies
  Build AI expertise – delivered for 1-1,000+ employees
- For Individuals
  Applied learning for the working professional
Explore Courses
Courses
Structure, support, and hands-on practice you need to build new skills with confidence.
Explore
Topics
AI Fundamentals AI Fundamentals
Data Analytics Data Analytics
IT IT
Machine Learning Machine Learning
Marketing Marketing
Product Management Product Management
Software Engineering Software Engineering
User Experience & Design User Experience & Design
AI Fundamentals
AI Workplace Fundamentals
Vibe Coding
Build AI Agents
Agentic AI Strategy
Data Analytics
Data Analytics and Visualization
Python for AI & Data
Database Management with AI Integration
Applied AI & Deep Learning in Action
IT
IT Bootcamp
Machine Learning
Applied AI & Deep Learning in Action
Data Engineering & Automation with AI
AI Systems Engineering & Reliability
MLOps & AI Infrastructure
Marketing
Performance Marketing with AI
Creative Production with AI
Content Marketing Strategy with AI
Business Intelligence with AI
Product Management
AI-First Product Management
Project Management Skills with AI
AI Product Strategy
Business Intelligence with AI
Software Engineering
Front-End Development with HTML & CSS
Back-End Development with JavaScript
Build AI Web Applications
AI Systems Engineering & Reliability
User Experience & Design
UX Research & Strategy with AI
UX Design for AI Experiences
UI Design for AI Products
UX Portfolio Storytelling with AI
Begin your learning pathway
AI Fundamentals
Take individual courses or combine them to build end-to-end AI capability for the modern workplace.
Begin your learning pathway
AI Data Analytics
Take individual courses or combine them to master the tools and methodologies that power modern AI data analytics.
Begin your learning pathway
AI & Machine Learning
Take individual courses or combine them to master the tools and methodologies that power production-grade AI applications.
Begin your learning pathway
AI Marketing
Take individual courses or combine them to master the tools and methodologies that power modern marketing.
Begin your learning pathway
AI Product Management
Take individual courses or combine them to master the frameworks and methodologies that power successful AI-driven products.
Begin your learning pathway
AI Software Engineering
Take individual courses or combine them to master the complete AI software engineering stack.
Begin your learning pathway
AI Experience & Design
Take individual courses or combine them to master the tools and methodologies that power modern AI product design.
About GA
Resources

Begin your learning Pathway

AI Fundamentals

Take individual courses or combine them to build end-to-end AI capability for the modern workplace.

Begin your learning Pathway

AI Data Analytics

Take individual courses or combine them to master the tools and methodologies that power modern AI data analytics.

IT Bootcamp

Begin your learning Pathway

AI & Machine Learning

Take individual courses or combine them to master the tools and methodologies that power production-grade AI applications.

Begin your learning Pathway

Take individual courses or combine them to master the tools and methodologies that power modern marketing.

Begin your learning Pathway

AI Product Management

Take individual courses or combine them to master the frameworks and methodologies that power successful AI-driven products.

Begin your learning Pathway

AI Software Engineering

Take individual courses or combine them to master the complete AI software engineering stack.

Begin your learning Pathway

AI Experience & Design

Take individual courses or combine them to master the tools and methodologies that power modern AI product design.

Tess O’Brien Photo

Tess O’Brien

VP of Strategic Partnerships, EnergySage

Boston

Tess O’Brien is VP of Strategic Partnerships at EnergySage, and leads business development and marketing efforts for EnergySage’s partnerships. She comes to EnergySage from CleanPowerPerks, an award-winning clean energy marketing startup she founded in 2013. Prior to this, Tess served as Marketing Director for Community Energy, a renewable energy marketer and developer. She holds an MBA in Sustainability from Marlboro College Graduate School and a Bachelor’s degree in Environmental Studies from Gettysburg College.Tess lives with her husband in Charlestown, Massachusetts, and serves as a judge for Green America’s People & Planet Award and a mentor for young entrepreneurs.

Tess O’Brien Photo

Coming up near you

AI-First Product Management

This course is designed to help learners build the product management skills companies are looking for today by blending proven PM practices with the power of AI.

AI Workplace Fundamentals

This course is designed to prepare learners to use the most powerful Generative AI tools and apply the strategic frameworks needed to leverage them effectively and responsibly.

Data Analytics and Visualization

In this course, the learner will gain a hands-on introduction to data analytics and visualization using SQL and Tableau.

Want to teach at ga?

Join our global community of instructors and help shape the next generation of industry leaders — while moving your own career forward with proven subject matter expertise, leadership experience, and public speaking skills. Teach online or on campus, full-time or part-time.