Andrew Sheiner is a Founder and CEO of Altas Partners at Altas Partners, whose known portfolio counts 5 companies.
Is Andrew Sheiner a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Stage
- Late-StageSeed
- Sector
- FinTechHealthcareSaaS
Contacts
Affiliated funds' portfolios
Founder and CEO of Altas Partners at Altas Partners, whose known portfolio counts 5 companies
- HUB International
- Pye-Barker Fire & Safety
- Capital Vision Services
- Mercer Advisors
- Sedgwick Claims Management Services
Investor Profile
Founders in the listed sectors FinTech, Healthcare and SaaS, and focus areas Enterprise SaaS, Healthcare Operations, InsurTech and Wealth Management fall inside that listing.
Stage-wise, the deals at Altas Partners cluster around Late-Stage and Seed rounds.
The firm portfolio and the focus above give founders context on whether Andrew Sheiner matches their raise.
Colleagues at Altas Partners
Scott Werry
Managing Partner
Toronto, Canada
Bryant Seaman
Principal
New York, United States
Jack Hansen
Partner
Toronto, Canada
Christopher McElhone
Managing Partner
Toronto, Canada
Jordy Winkler
Director, Portfolio Solutions Group
Toronto, Canada
Jessica Sonnenberg
Investment Director
Toronto, Canada
Michael Korzinstone
Partner
Toronto, Canada
Paul Nicoletti
Partner & COO
Toronto, Canada
Erin Henderson
Chief Executive Officer
Toronto, Canada
Jessica Delfino
Partner
Toronto, Canada
Nick Mancini
Partner
Toronto, Canada
Aza A.
Director
New York, United States
Akshay Kumar
Partner
Toronto, Canada
Ryan Dowling
Director
Canada
Frequently asked questions
Who is Andrew Sheiner?
Andrew Sheiner is a private equity investor based in Toronto, Ontario, Canada, listed as Founder and CEO of Altas Partners at Altas Partners. The known portfolio of that firm counts 5 companies. That portfolio belongs to the firm, not to Andrew Sheiner personally.
What does Andrew Sheiner invest in?
Listed sectors include FinTech, Healthcare and SaaS; listed focus areas include Enterprise SaaS, Healthcare Operations, InsurTech and Wealth Management. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Andrew Sheiner invest at?
Altas Partners appears in Late-Stage and Seed rounds across its known deals, and Andrew Sheiner is listed there as Founder and CEO of Altas Partners. 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 Andrew Sheiner listed at?
Andrew Sheiner is listed as Founder and CEO of Altas Partners at Altas Partners. 14 other people in the database share a firm with Andrew Sheiner.
How do I contact Andrew Sheiner?
An email address, a phone number and a LinkedIn page are on file for Andrew Sheiner. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
Skip the browsing. Let AI find your ideal investors in one minute.
Paste your startup website and AI picks your best-fit investors out of 135,000+ profiles.
Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal