Investor profile
Sonny Kalsi
Angel & Adjunct Professor at Columbia University Technology Management, Co-Chief Executive Officer at BGO
Sonny Kalsi is an angel investor based in New York, United States with 2 known investments: BuildSupply and AltoVita.
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Investment focus
Contacts
Sonny Kalsi portfolio companies (2)
- BuildSupply
- AltoVita
Affiliated funds' portfolios
Adjunct Professor at Columbia University Technology Management, whose known portfolio counts 5 companies
- Deepgram
- AvoMD
- Kelvin
- Sable
- Licify
Co-Chief Executive Officer at BGO, whose known portfolio counts 2 companies
- Elan Group
- Bhumika Realty
Investor Profile
The listing covers sectors Climate, FinTech, Real Estate and SaaS, and focus areas Analytics, Construction, ERP and Enterprise SaaS. Startups operating in these areas may find Sonny Kalsi relevant.
Sonny Kalsi appears in Pre-Seed, Seed and Series A rounds across the known deals.
The portfolio and focus above give founders context on whether Sonny Kalsi matches their raise.
Colleagues
Showing 20 of 27
Travis Bradford
Energy and Carbontech Innovator
New York, United States
Jenny Fielding
Adjunct Professor
New York, United States
Chris Wiggins
Associate Professor
New York, United States
Shinya Shimada
Full-time MBA Candidate
New York, United States
Ross Strowger
Managing Partner, Portfolio Manager
Toronto, Canada
Chris Niehaus
Managing Partner
New York, United States
Gareth Purcell
Managing Partner, BentallGreenOak
United Kingdom
Michael Keating
Managing Partner
Boston, United States
Tony Astles
Investor
Vancouver, Canada
Eve LaRoche
Chief of Staff
New York, United States
Dan Klebes
Managing Partner
Tokyo, Japan
Toshiro Nakamura
Managing Partner
Tokyo, Japan
Lena Braun
Commercial real estate investment partner
Miami, United States
Dean Sysman
PhD Research
New York City, United States
Preeti Bhattacharji
Head of Sustainable Investing
New York, United States
Michael Steib
Senior Lecturer
New York, United States
Julia Arlt
Guest Lecturer in Real Estate MBA classes
Vienna, Austria
Brian Burke
Investor
Boston, United States
Clint Hinds
Managing Director
Chevy Chase, United States
Chetan Baweja
Investor
Toronto, Canada
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Frequently asked questions
Who is Sonny Kalsi?
Sonny Kalsi is an angel investor based in New York, United States with 2 known investments on file, among them BuildSupply and AltoVita. The sections above list the sectors, stages and firms attached to that record.
What does Sonny Kalsi invest in?
Listed sectors include Climate, FinTech, Real Estate and SaaS; listed focus areas include Analytics, Construction, ERP and Enterprise SaaS. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Sonny Kalsi invest at?
The known deals of Sonny Kalsi include Pre-Seed, Seed and Series A rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Sonny Kalsi listed at?
Sonny Kalsi is listed as Adjunct Professor at Columbia University Technology Management. 27 other people in the database share a firm with Sonny Kalsi.
How do I contact Sonny Kalsi?
An email address, a phone number and a LinkedIn page are on file for Sonny Kalsi. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal