645 Ventures is seeking a sharp, technically-minded MIT student to join us as an Investment Fellow for Summer 2026. We’re open to undergraduate juniors and seniors as well as MBA students at any stage of their program. This role offers hands-on experience at a leading early-stage venture capital firm, with a dedicated focus on the AI developer tools and infrastructure landscape.

The Fellow will play a key role in sourcing early-stage companies and founders building the next generation of AI infrastructure, helping bring high-potential opportunities to the attention of the 645 Ventures Investment Team. A core focus is building relationships across the student, research, and founder communities — especially among engineers, AI researchers, and technical operators.

Program Details:

• Duration: Summer 2026, with the possibility of extending by mutual agreement

• Location: In-person at our office in South Park, San Francisco

• Collaboration: Work closely with the Investment & Research Team

Key Responsibilities:

• Targeted Networking: Leverage your technical network and knowledge of the AI/developer tools and agentic software ecosystem to enhance 645 Ventures’ presence in the community. Develop and execute engagement strategies connecting the firm with top engineering talent, AI researchers, and founders.

• Deal Sourcing: Conduct targeted outreach within the early-stage startup community building AI infrastructure, dev tools, and agentic platforms. Help deepen coverage across incubators, accelerators, research labs, and open-source communities.

• Due Diligence: Collaborate with the Investment & Research team on technical and market diligence for startups you identify — including evaluating product architecture, competitive differentiation, and go-to-market strategy.

• Investment Committee Participation: Prepare briefing materials and participate in investment committee meetings for companies you source and advance through our evaluation process.

Qualifications:

• Academic Excellence: Currently enrolled as an undergraduate junior or senior, or an MBA student (any year)

• Technical Background: Strong background in software engineering, computer science, or a related technical field — required for this role

• Technical Knowledge: Familiarity with AI/ML engineering and the modern AI stack: model training and inference, LLMOps, vector databases, AI frameworks (e.g., PyTorch, LangChain, vLLM), or developer tooling

• Intellectual Curiosity: Genuine intellectual curiosity about the AI infrastructure and developer tools ecosystem and who the breakout companies will be

• Communication & Synthesis: Strong written and verbal communication skills; ability to translate technical concepts into clear investment narratives

• Strategic thinker: Who can bring structure to ambiguous, fast-moving markets

• Collaboration: Team-oriented and willing to take on tasks big and small

• Network Builder: Track record of building relationships with faculty, founders, or technical peers, and ability to serve as a trusted connector between 645 Ventures and the MIT community.

• Prior experience:  Prior start up experience founding, early employee, or research commercialization is  strongly preferred.Prior experience in consulting or investment banking is a plus

Additional Information

• Contract position starting Summer 2026

• This is a paid position

• Full-time during summer; part-time (10–15 hours/week) during the academic semester

About 645 Ventures

645 Ventures is a venture capital firm that partners with exceptional founders building iconic companies. The firm invests at the Pre-Seed, Seed, Series A, and growth stages across fintech, consumer, healthtech, enterprise, cybersecurity, infrastructure/developer tools and deep tech. 645 Ventures supports founders through its resource-intensive approach encompassing hiring, customer introductions and growth strategy, leveraging its proprietary software platform Voyager and deep Connected Network. 645 Ventures manages over $550M in AUM across five funds with investments in industry leaders including Goldbelly, Iterable, Overtime, Resident (acq. By Ashley Home, Inc.), Setpoint, ShopCircle and Shift5. Learn more at www.645ventures.com.