Seth Rosen
InvestorVenture Partner at Western Technology Investment
Boston
Writes $100K – $5M checks · typically $1.5M
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About
Seth is a Boston-based Venture Partner and CEO of WTI portfolio company CustomMade, an online D2C custom jeweler. He was previously a shareholder-level investment banker at Meredith & Grew.
Beyond investing
- Founded
- Co-founded a venture-backed marketplace for custom goods and services for which WTI was a venture lender.
- Education
- Received a BA in Psychology from Boston University. Earned an MBA and an MST (Master of Science, Taxation) from Bentley University.
- Awards
- Was made a Shareholder at Meredith & Grew at age 26.
Mentioned above: the Boston University mafia → · the Bentley University mafia →
From Seth's own website — common ground for a warm intro.
Colleagues at Western Technology Investment
Frequently asked questions
- Who is Seth Rosen?
- Seth is a Boston-based Venture Partner and CEO of WTI portfolio company CustomMade, an online D2C custom jeweler. He was previously a shareholder-level investment banker at Meredith & Grew.
- Where does Seth Rosen work?
- Seth Rosen is Venture Partner at Western Technology Investment.
- What check size does Seth Rosen write?
- Seth Rosen typically writes checks of $100K – $5M.
- What awards has Seth Rosen received?
- Was made a Shareholder at Meredith & Grew at age 26.
Founder mafias
Boston University mafia253
Also came through, then founded or led a company.
Bentley University mafia50
Also came through, then founded or led a company.
Western Technology Investment mafia2
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Western Technology Investment's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights





















