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Intern | Summer 2026

Diagram1 day ago
Hybrid
Montreal, Quebec
Junior
internship

Top Benefits

Meaningful role in a growing venture builder
Supportive, ambitious team for personal growth
Opportunity to join Diagram or portfolio company full-time

About the role

About us:

Diagram is a Venture Builder and Investor with over $400M in assets under management, specializing in launching and scaling ventures in Fintech and ClimateTech. Since 2016, Diagram has collaborated with exceptional founders to launched and invested in more than 35 ventures, combining access to capital, hands-on support, and a deep ecosystem of partners to catalyze the growth of world-changing companies.

We are currently deploying capital out of our third FinTech fund and our first ever ClimateTech fund to continue building ventures in the space

  • 🌍 Diagram Ventures announces new $60-million VC fund to build and back early-stage cleantech startups
  • 💸 Diagram Exceeds $100M Target for Third Fund

At Diagram, we have two different strategies in place to deploy capital:

  1. Venture Builder: We ideate, derisk, and launch ventures from scratch. This includes everything from developing a thesis on a problem space, testing different solutions, identifying first customers, assembling a founding team, and securing early stage venture funding.
  2. Venture Investor: Founders come to Diagram to pitch for capital. We invest in early stage companies that align with our fund’s strategy.

We’re looking to add another class of interns to our team for Summer 2026 to help us de-risk different startup ideas under our venture builder or venture investor teams. If you are a student passionate about contributing to the startup ecosystem, this role is for you!

What we are looking for :

As a Diagram intern you will work hand in hand with the Diagram team to evaluate new ventures based on our investment criteria, playing a key role in going deep into new themes and ideas that will turn into companies and investments.

There are open positions on the Venture Creation team and the Venture Investment team. Positions are either based in Montreal or Toronto.

Your responsibilities will include:

  • Developing investment theses and perspectives on opportunity areas;
  • Generating and pitch new venture ideas;
  • Conducting user and market research, performing market sizing, analyzing competitive landscape, assessing business models and unit economics to evaluate potential ideas;
  • Creating pitch decks and investment memos

We’re looking for students in their ultimate or penultimate year of studies. The ideal candidate:

  • Intellectually Curious: Insatiable thirst for knowledge on how / why things work
  • Professional: Takes immense pride in the detail, thoroughness, accuracy, and overall quality of their work. Capable of engaging and developing relationships with industry leaders, founders and other investors
  • Self-directed: Works with team members to complete tasks without someone looking over their shoulder
  • Entrepreneurial: Demonstrated interest and passion for the startup ecosystem;
  • A+ Communicator: Comfortable pitching ideas, summarizing findings, and writing out clear theses
  • Analytical Mindset: Excellent analytical skills and the ability to build financial models, conduct market sizing;
  • Bonus: Experience leveraging Gen AI tools for research (ex. ChatGPT, Claude, Perplexity, etc) and/or to bring product visions to life (ex. Loveable)

Candidates must have the right to work in Canada for the period specified to be considered for this position. No support to obtain the right to work will be provided.

What we offer:

  • An essential role in something big, meaningful and different;
  • A team of accomplished, ambitious and supportive individuals that will help you grow;
  • An ecosystem with many stretch opportunities including the potential to join Diagram or a portfolio company full-time after your internship;
  • Beautiful office in a great location with flexible remote work policy

At Diagram, we aim to provide an inclusive workplace where we leverage diversity and where everyone feels valued, safe, respected and empowered to grow. As part of this leadership commitment, we strongly encourage applications from all qualified applicants and strive to offer an inclusive and accessible candidate experience. If you require any accommodation for any part of the recruitment process, please let us know.

About Diagram

Venture Capital and Private Equity Principals
11-50

Diagram is a venture builder that conceives and launches technology companies in the financial services, insurance, and health industries. We've designed a unique platform for entrepreneurs who have a proven track record or domain expertise to start their next business by combining access to venture capital investment, hands-on support, and a vast network of partners and incumbents. Since 2016, Diagram has raised over $145M and launched eleven new companies across North America. Our ecosystem is home to 90+ angel investors, including 45+ entrepreneurs with >$15B in exits and an extended global network of corporate partners, investors, and builders.