# Alexander Leonardi

> Alexander Leonardi, also known professionally as Alex Leonardi, is the New York-based co-founder and CEO of VectorShift. A Harvard graduate and former Blackstone private-equity data science analyst, he previously led the Harvard College Consulting Group and taught CS50. He founded VectorShift with Albert Mao in 2023; the company participated in Y Combinator’s Summer 2023 batch and now focuses on AI workflows and institutional knowledge for private-market investors.

- **Role:** Co-Founder & CEO at VectorShift
- **Organizations:** VectorShift, Blackstone, Harvard College Consulting Group, Harvard University, Y Combinator
- **Education:** AB/SM; founder biography describes Statistics and Computer Science, Harvard University, Y Combinator
- **Known for:** Led the Harvard College Consulting Group; his YC biography reports greater than 200% year-over-year growth to over $1 million annual revenue., Received Harvard’s fall 2021 Certificate of Distinction in Teaching for COMPSCI 50., Co-founded a Y Combinator Summer 2023 company.

## Career timeline

- **2018** — Met Albert Mao at Harvard when they joined the same consulting group, according to Mao’s retrospective.
- **2020–2021** — Served as director and president of the Harvard student consulting group.
- **2021** — Teaching fellow for CS50; received a Certificate of Distinction in Teaching for the fall course.
- **2022–2023** — Worked at Blackstone; his founder biography describes private-equity data science, transaction evaluation and AI/ML work for portfolio companies.
- **2023** — Co-founded VectorShift with Albert Mao and joined Y Combinator’s Summer 2023 batch.
- **2024** — VectorShift announced a $3 million seed round in February.
- **2026** — As observed in October, VectorShift positions its platform around private-market investors and institutional knowledge.

## Achievements

- Led the Harvard College Consulting Group; his YC biography reports greater than 200% year-over-year growth to over $1 million annual revenue.
- Received Harvard’s fall 2021 Certificate of Distinction in Teaching for COMPSCI 50.
- Co-founded a Y Combinator Summer 2023 company.
- Co-led VectorShift, which announced $3 million in seed funding in February 2024.

## Latest updates

- **2026-10** — Observed current positioning: VectorShift’s official website and YC profile describe an AI operating system for private-market investors. This is a research observation, not a dated product-launch announcement.

## Links

- Website: https://www.vectorshift.ai/
- LinkedIn: https://www.linkedin.com/in/alexanderleonardi
- Twitter/X: https://x.com/Alex_Leonardi_

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Profile page: https://yespress.io/alexander-leonardi
Published by YesPress — https://yespress.io
Last updated: 2026-10-14