Investor profile
Gillian Muessig
Angel, Operator angel & Managing Director at Mastersfund™, CEO at Mastersfund™, Global Business Advisor at EBRD
Gillian Muessig is an angel investor and operator angel based in Seattle, Washington, United States with 10 known investments: PetHub, Scope 5, Spiral Genetics, ExpertBeacon, RedPoint Global, BroVo Spirits, Global Education and Action Network (GLEAN), Joosworks, SYNQY and dBMEDx.
Is Gillian Muessig a fit for your startup?
Paste your website. AI checks the fit and scores every other investor too.
Investment focus
- Sector
- AIHealthcareSaaSTravel
- Focus
- Big DataBiotechProductivitySocial Travel
Contacts
Gillian Muessig portfolio companies (10)
- PetHub
- Scope 5
- Spiral Genetics
- ExpertBeacon
- RedPoint Global
- BroVo Spirits
- Global Education and Action Network (GLEAN)
- Joosworks
- SYNQY
- dBMEDx
Affiliated funds' portfolios
Managing Director at Mastersfund™, whose known portfolio counts 8 companies
- Tribute
- Pagedip
- Automaton
- Fyrii
- Humming
- Advocat
- Bold Reuse
- Heywell
CEO at Mastersfund™, whose known portfolio counts 7 companies
- brettapproved
- Spiral Genetics
- ExpertBeacon
- Fyrii
- Manumatix
- Trip.me
- Yoghurt.io
Global Business Advisor at EBRD, whose known portfolio counts 20 companies
- Dislog Group
- Enerjisa
- TileGreen
- AFI Europe Romania
- DgPays
- Aklease
- Borusan Lojistik
- Cropler
- Euro Manganese
- Feka Automotive
- Housing Bank for Trade and Finance
- NLB Komercijalna Banka
- and 8 more
Investor Profile
The listing covers sectors AI, Healthcare, SaaS and Travel, and focus areas Big Data, Biotech, Productivity and Social Travel. Startups operating in these areas may find Gillian Muessig relevant.
The portfolio and focus above give founders context on whether Gillian Muessig matches their raise.
Colleagues
Kevin R.
Senior Advisor
Dubai, United Arab Emirates
Olga Paschuk Evans
Principal Portfolio Manager
United Kingdom
Kem Cenan
Head of Investments
London, United Kingdom
Bilguun Batsukh
Consultant - Star Venture Programme
London, United Kingdom
Nabil Meralli
Senior Advisor
West Palm Beach, United States
Aleksandra Drecun
Key Expert
Serbia
Shay Garvey
Member of the Advisory Board
Ireland
Andrew Hoyle
Principal
London, United Kingdom
Amina Ndichi
Principal
London, United Kingdom
Tahir Bhimji
Principal
United Kingdom
Mike David
Investment Director
London, United Kingdom
Markus Biesinger
Principal
London, United Kingdom
Walter Greenberg
Venture Partner
Chicago, United States
Similar investors
Showing 20 of 100
Jennifer Dulski
angel investor and operator angel
Palo Alto, United States
Marissa Mayer
CEO & Founder
San Francisco, United States
Allison Messner
angel investor and operator angel
San Francisco, United States
Sarah Imbach
angel investor and operator angel
Kirkland, United States
Ameet Ranadive
angel investor and operator angel
San Diego, United States
Stephen Garden
angel investor
Los Angeles, United States
Anna Mefford
angel investor
Lehi, United States
David Gutelius
Advisor - Artificial Intelligence
Reno, United States
Glenn Gow
angel investor and operator angel
Portola Valley, United States
Eric Gould
Co-Managing Partner
Franklin Lakes, United States
Amy McCullough
angel investor
Charleston, United States
Mariam Naficy
angel investor and operator angel
San Francisco, United States
Sarah Smith
Founder and Managing Partner
Menlo Park, United States
Sean M.
angel investor and operator angel
Aspen, United States
Serena Glover
U-M National Advisory Board - Innovation Partnerships
Seattle, United States
Peter Kern
Founder and Managing Partner
Seattle, United States
Elizabeth Weil
Managing Partner
Menlo Park, United States
Brian Lockhart
angel investor
United States
Sumati Pandya
angel investor
San Francisco, United States
Rebeca Minguela
angel investor and operator angel
New York, United States
Frequently asked questions
Who is Gillian Muessig?
Gillian Muessig is an angel investor and operator angel based in Seattle, Washington, United States with 10 known investments on file, among them PetHub, Scope 5 and Spiral Genetics. The sections above list the sectors and firms attached to that record.
What does Gillian Muessig invest in?
Listed sectors include AI, Healthcare, SaaS and Travel; listed focus areas include Big Data, Biotech, Productivity and Social Travel. 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.
Which firm is Gillian Muessig listed at?
Gillian Muessig is listed as Global Business Advisor at EBRD. 13 other people in the database share a firm with Gillian Muessig.
How do I contact Gillian Muessig?
An email address, a phone number and a LinkedIn page are on file for Gillian Muessig. 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