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About
Venture Partner with over 25 years leading financial services, payment card, and emerging technologies. Pioneered shared ATM networks and PC banking at Citibank and led MasterCard's global entry into chip cards and mobile commerce; holds a BA from Rice University and an MBA from MIT Sloan.
Experience
- Sybilla Masters FundVenture Partner and Investor at Sybilla Masters Fund, L.P.current2020 — present
- heywellInvestor, Strategic Advisor & Board Membercurrent2022 — present
- PromlyInvestor and Advisorcurrent2021 — present
- Stakana AnalyticsLead Investor, Advisercurrent2018 — presentSeattle, WA
- High-Definition Consulting GroupContract Consultantcurrent2004 — present
- brettapprovedLead investor, Adviser, Board Director2013 — 2020
- Way SystemsBoard of Advisors2002 — 2008
- Bank OneFirst Vice President / Senior Product Manager2003 — 2004
- Cards ETCVice President, Global Accounts2001 — 2002
- MasterCard InternationalVice President, Global Business Development1997 — 2000
- MasterCard InternationalVice President, Smart Card Product Management1995 — 1997
- CitibankVice President, Home & Office Banking1993 — 1995
- CitibankVice President, Global ATM & Debit Card Programs1991 — 1993
- CitibankVice President, Retail Distribution1989 — 1991
- CitibankVice President, Online Delivery1987 — 1989
- CitibankVice President, Office of Division Executive (Consumer Bank)1985 — 1986
- CitibankVice President, Marketing & Operations1983 — 1985
- General ElectricManager, Business Planning (Aircraft Equipment Division)1980 — 1983
Skills & more
+12 more
PaymentsProject ManagementProduct DevelopmentCustomer ServiceSmart CardsEarly Stage InvestmentDebit CardsMarketing StrategyStrategic PlanningStrategyLeadershipManagementFrom Walter's professional profile.
Colleagues at Sybilla Masters
Frequently asked questions
- Who is Walter Greenberg?
- Venture Partner with over 25 years leading financial services, payment card, and emerging technologies. Pioneered shared ATM networks and PC banking at Citibank and led MasterCard's global entry into chip cards and mobile commerce; holds a BA from Rice University and an MBA from MIT Sloan.
- Where does Walter Greenberg work?
- Walter Greenberg is Venture Partner at Sybilla Masters.
- Where did Walter Greenberg go to school?
- Walter Greenberg studied at Massachusetts Institute of Technology - Sloan School of Management (MBA, Marketing); Rice University (Bachelor's degree, Physics); Rice University.
Same school
Also attended Massachusetts Institute of Technology - Sloan School of Management965
+ 959 more
Also attended Rice University262
+ 256 more
Shared employers
Also worked at Sybilla Masters Fund6
Also worked at Way Systems1
Also worked at Bank One16
+ 10 more
Also worked at Citibank1,411
+ 1,405 more









































