Walter Winshall Overview

  • Investor Type
  • Angel

  • Status
  • Active

  • Professionals
  • 1


  • Investments
  • 108

  • Portfolio
  • 36

  • Exits
  • 67


Walter Winshall General Information


Mr. Walter Winshall serves as Board Member at AgaMatrix. He is an Angel Investor. He serves as Board Member at SnowShoe, MOCA Systems, RISE Robotics and Percent Pledge. He also served as Board Member at Startup Institute. He also serves as Advisor at HelpAround. He serves as Board Member at QED Labs. Mr. Walter Winshall was the Founder and served as Principal at Collaborative Seed & Growth Partners. He is Principal in Collaborative Seed and Growth Partners, LLC, an investment firm specializing in the commercialization of technology. He also served as a Board Member at PatientsLikeMe. He is also a director at a number of early-stage companies. Previously, he was a co-founder and Chairman of SilverPlatter International, NV, a company providing information services for libraries, which was acquired by the Dutch publishing company Wolters Kluwer in 2001. He graduated from MIT in electrical engineering and from the Harvard Law School.

Business Details

Investor Status
Actively Seeking New Investments
Primary Investor Type
Angel (individual)
Corporate Office
  • Boston, MA
  • United States
+1 (781) 000-0000

Walter Winshall Investments (108)

Company Name Deal Date Deal Type Deal Size Industry Company Stage Lead Partner
Avanlee Care 27-May-2022 Seed Round 00.000 Elder and Disabled Care Generating Revenue 000000 00000000
Rallyware 28-Oct-2021 00 000000000 0000 Business/Productivity Software Generating Revenue
RISE Robotics 10-Apr-2020 0000 00000 000.00 Industrial Supplies and Parts Generating Revenue 000000 00000000
Rheaply 17-Mar-2020 00000 00000 00.00 Media and Information Services (B2B) Generating Revenue 000000 00000000
RxWare 22-Jan-2020 00000 00000 000 Practice Management (Healthcare) Generating Revenue 000000 00000000
StoryFit 08-Mar-2019 00000 00000 00.00 Business/Productivity Software Generating Revenue 000000 00000000
Trusty.Care 09-Aug-2018 0000 00000 00000 Business/Productivity Software Generating Revenue 000000 00000000
Sentenai 01-May-2018 0000 00000 000 Business/Productivity Software Generating Revenue 000000 00000000
Voatz 08-Jan-2018 Seed Round 00.00 Government Generating Revenue 000000 00000000
GeoPalz 01-Jan-2018 Later Stage VC Other Healthcare Technology Systems Out of Business 000000 00000000

Walter Winshall Exits (67)

Company Name Exit Date Exit Type Exit Size
WaveForm Diabetes 01-Jun-2023 Merger/Acquisition
Rallyware 01-Apr-2023 000000000 00000000
Proctortrack 01-Mar-2023 000000000 00000000
Shareable Social 01-Feb-2023 000 00 00000000
ExpenseBot 30-Jan-2023 000 00 00000000
LearnPlatform 15-Dec-2022 000000000000000000 0000
Smore 07-Dec-2022 0000000000
Sundar 21-Nov-2022 000 00 00000000
NBD Nano 13-Sep-2022 Merger/Acquisition
GreatHorn 01-Sep-2022 Merger/Acquisition

Walter Winshall Investments by Industry, Year, and Region

Investments by Industry

Investments by Year

Investments by Region

PitchBook’s data visualizations quickly surface an investor’s historical investments—showing a breakdown of activity by industry, year and region.

Walter Winshall Team (1)

Name Title Deals Funds Boards Office
Walter Winshall Angel Investor 000 0 Boston, MA

Walter Winshall Co-Investors (39)

Name With Exits Lead Partner Series Industry
StartUp Health 2 0 Series chart Industry bar
Concentric Equity Partners 0 0 Series chart Industry bar
Hyde Park Angels 0 0 Series chart Industry bar
IQVIA 0 0 Series chart Industry bar
New York Angels 0 0 Series chart Industry bar

Walter Winshall FAQs

  • Who is Walter Winshall?

    Walter Winshall is an angel Investor who has made 108 investments.

  • What kind of investor is Walter Winshall?

    Walter Winshall is an angel investor.

  • What does Walter Winshall do?

    As an angel investor, Walter Winshall invests personal money into promising companies, typically in exchange for equity.

  • How many board seats does Walter Winshall hold?

    Walter Winshall holds 3 board seats including Percent Pledge, Loyalti, and MOCA Systems.

  • What has Walter Winshall invested in?

    Walter Winshall has made numerous investments in companies like Avanlee Care, Rallyware, and RISE Robotics within the Elder and Disabled Care, Business/Productivity Software, and Industrial Supplies and Parts industries.

  • What has Walter Winshall invested in recently?

    Walter Winshall's latest investment was on 27-May-2022 in Avanlee Care, a company within the Elder and Disabled Care industry.

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