About
Over 25 years leading financial services, payment cards, and emerging technologies. Pioneered shared ATM networks and PC banking at Citibank, led MasterCard's entry into chip cards and mobile commerce, and advises early-stage startups. BA from Rice University; MBA from MIT Sloan.
Experience
- Sybilla Masters FundVenture Partner and Investor at Sybilla Masters Fund, L.P.current2020 β present
- heywellInvestor, Strategic Advisor & Board Membercurrent2022 β present
- PromlyInvestor and Advisorcurrent2021 β present
- Stakana AnalyticsLead Investor, Advisercurrent2018 β presentSeattle, WA
- High-Definition Consulting GroupContract Consultantcurrent2004 β present
- brettapprovedLead investor, Adviser, Board Director2013 β 2020
- Way SystemsBoard of Advisors2002 β 2008
- Bank OneFirst Vice President / Senior Product Manager2003 β 2004
- Cards ETCVice President, Global Accounts2001 β 2002
- MasterCard InternationalVice President, Global Business Development1997 β 2000
- MasterCard InternationalVice President, Smart Card Product Management1995 β 1997
- CitibankVice President, Home & Office Banking1993 β 1995
- CitibankVice President, Global ATM & Debit Card Programs1991 β 1993
- CitibankVice President, Retail Distribution1989 β 1991
- CitibankVice President, Online Delivery1987 β 1989
- CitibankVice President, Office of Division Executive (Consumer Bank)1985 β 1986
- CitibankVice President, Marketing & Operations1983 β 1985
- General ElectricManager, Business Planning (Aircraft Equipment Division)1980 β 1983
Skills & more
Vendor Management13Product Management24Program Management4Strategic Partnerships7Business Planning2Cross-functional Team Leadership4Business Development4E-commerce2Start-ups8Business Strategy5Entrepreneurship2Business Analysis1
+12 more
PaymentsProject ManagementProduct DevelopmentCustomer ServiceSmart CardsEarly Stage InvestmentDebit CardsMarketing StrategyStrategic PlanningStrategyLeadershipManagementFrom Walter's professional profile.
Colleagues at Sybilla Masters
Anne Kennedy
Managing Director at Sybilla Masters
Carlee Price
Advisor at Sybilla Masters
Gillian Muessig
Managing Director at Sybilla Masters
Janis Dubno
Advisor at Sybilla Masters
Karen T. Cone
Venture Partner at Sybilla Masters
Lakshmi Reddy
Investor at Sybilla Masters
Maureen Gilbert
Principal Partner at Sybilla Masters
Petr Johanes, PhD
Advisor at Sybilla Masters
Frequently asked questions
- Who is Walter Greenberg?
- Over 25 years leading financial services, payment cards, and emerging technologies. Pioneered shared ATM networks and PC banking at Citibank, led MasterCard's entry into chip cards and mobile commerce, and advises early-stage startups. BA from Rice University; 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 Management592
Doug LeonePartner at Sequoia Capital; former Global Managing PartnerHemant TanejaCEO & Managing Director of General CatalystBrad FeldCo-founder of Foundry and TechstarsChris MorrisProcess Specialist, Exit Readiness at Mayfair Equity PartnersBirgitteInvestor at InvestinorOlaInvestor at Investinor
+ 586 more
Also attended Rice University161
Brian ArmstrongCo-founder & CEO of CoinbaseAbigail JohnsonPartner, Chief Operating Officer at Sapphire VenturesEdi DanalacheSenior Associate at Scale Venture PartnersJim BridenstineManaging Partner, Artemis Group at Cortado VenturesNicolette HoffmannSenior Associate at JMI EquityCatie MerrickDirector, Executive Talent Network at JMI Equity
+ 155 more
Shared employers
Also worked at Sybilla Masters Fund6
Also worked at Way Systems1
Also worked at Bank One10
J.P. BaumanPartner at Altira Group LLCScott WeinflashInvestor | Finance & Risk at Vetted AcceleratorKarla J. BullardInvestor at Madison Dearborn PartnersSteve LuxManaging Partner at Topmark PartnersKevin MurrayInvestor at Phoenix Sports PartnersPatrick LongoPresident & CEO, Alloy Development Co., Inc. at Cintrifuse Capital
+ 4 more
Also worked at Citibank1,117
Nina AchadjianInvestor at Index VenturesRishi ModiInvestor at GV (Google Ventures)RustyAdvisor at Clear VenturesKerry WongHead of Investor Relations at Pantera CapitalTori KorineInvestor at OpenView Venture PartnersAnn PauloseSenior Investor Relations Associate at Greycroft
+ 1,111 more







































