Work with the world’s best start-ups

A world-class internship program for ambitious high school students

Founded by Harvard entrepreneurs, Ladder Internships helps students work with top startups to build
real-world projects.

Our Impact

6200+

Applications

1200

Interns selected

50+

Host
Companies

$204,000+

In financial aid

Hear from some of our interns!

Our Hosts & Your Managers

Meet a few of our Host Companies

Our Companies & Your Managers

Funded by

Harvard Innovation Labs logo with red square and white text 'Hi', next to black text 'Harvard innovation labs'.
Logo of Bessemer Venture Partners with stylized blue lines

Studied at

Harvard University logo with a red shield featuring three open books with the word 'VERITAS' on each, and the text 'Harvard University' beside it.
Logo of Stanford University featuring a maroon and white emblem with a green pine tree
Harvard Business School logo with shield and the word 'VERITAS' at the top, next to the text 'HARVARD BUSINESS SCHOOL'.
Logo of Wharton School of the University of Pennsylvania, featuring a shield with open books, a serpent, and a chevron with three dots.

Worked at

Google logo with colorful letters: blue G, red o, yellow o, blue g, green l, red e.
McKinsey & Company logo with black text on a transparent background
Microsoft logo with four colorful squares—orange, green, blue, yellow—and the word 'Microsoft' in gray.
Text logo that reads 'Goldman Sachs' in blue font.

Available Fields

Machine Learning & AI

Blue check mark symbol.

Software Engineering

A large blue checkmark.

Finance

Blue checkmark icon

Health Tech & Mental Health

Dark blue check mark icon.

Enviromental Science

Blue check mark.

Tech & Deep Tech

A large blue check mark symbol on a white background.

Non-Profit

A large blue checkmark in a minimalistic style.

Consulting

A large, three-dimensional blue checkmark symbol.

Media & Journalism

A large dark blue checkmark symbol

Program By The Numbers

Startup Internship Program



Number of sessions with the host company

8

Hours of work per week

5-10


Duration

8 weeks

CEO Internship Program

Number of sessions with the host company

8


Hours of work per week

5-10

Internship with high-growth start-up

Duration


8 weeks



Work directly with a startup CEO

The CEO/founder from FAANG-level company and/or top 20 university


(E.g., Facebook, Google, McKinsey, etc.)



University Internship Program

Our 8-week internship program offers university students the chance to work with startup companies on projects aligned with their interests! With a weekly commitment of 5–10 hours, it’s a flexible way to gain valuable experience.

Combination Program: CEO Internship Program + Mentored Research Program

This 8+15 week program combines a CEO Internship with a mentored research component, offering both professional work experience and the opportunity to complete a college-level research paper.

Program Timeline


Week 1

Meet with the company coach and define the project

Week 2

Work on the project with the company coach

Week 3

Finalize the first draft of the project, meet with the company coach

Week 4

Present the first deliverable to the company

Week 5

Meet with the company coach, define the second deliverable

Week 6

Work with the company coach on the second deliverable

Week 7

Finalize the project

Week 8

Present the final project to the company

What you will get out of this internship

  • Top-down view of a cluttered wooden desk with multiple laptops, smartphones, notebooks, headphones, coffee cups, and various office supplies, with hands of people working on laptops and using a smartphone.

    A real-world project

  • A man giving a presentation to a group of people in a modern, industrial-style conference room with brick walls, large windows, and string lights. The presenter points at a large screen with a microphone in his hand. The audience appears attentive, some taking notes. There are water bottles, drinks, and notebooks on the tables.

    Work experience at a top start-up

  • Close-up of an official document with signatures, including a signature labeled 'Vice-Chancellor' and the printed name 'Dame Helen Wallace'.

    A letter of completion by the company

The Application Process

Internships with real-world companies are challenging. That’s why we implement a selection process that helps us select only the best interns.

Submit application form

Interview


Receive application decision

Start the program!

FAQs

  • Absolutely! Our team suggests company projects based on an applicant’s interests and notes from their interview. Details of the best fit projects are shared with students who have the final say in whether they wish to move ahead with the suggested match!

  • Internships with real-world companies are challenging. That’s why we implement a selection process that helps us select only the best interns. For example, our summer 2023 cohort had over 700 applicants for just 70 spots.

  • The program is fully online! Our team itself operates remotely across multiple countries.

  • The internship will be fully virtual and will run for a period of 8 weeks. Interns usually require 10-15 hours a week to work on assigned tasks and to meet company management.

    The program is designed to deliver tangible results without demanding day-to-day work!

  • Yes, we offer full financial aid to those in need. We have provided financial aid to over 150 students so far.

ARE YOU UP FOR THE CHALLENGE?

Upcoming Application Deadlines

Summer Cohort Regular Admission Deadline: June 23rd, 2025
Cohort timing: July 14th, 2025