ZInvestorHunting

B2B Software angel investors

122 US angel investors and angel groups backing b2b software startups, each listed with the evidence and sources behind it: SEC Form D filings, the investor's own site or a public announcement. 49 of them have a dated filing or deal in the last 12 months. That is 84 solo GPs, 24 syndicate leads and 14 angel groups. Most are based in California (46), New York (13) and Florida (9). The median stated or estimated check is $400K–$1.06M.

Updated · How we find angels · Remove or correct a profile

How many B2B Software angel investors are there?

122 on file, 49 with a dated filing or deal in the last 12 months. Angels writing personal checks rarely file anything with the SEC, so no list of angels is complete.

How much do B2B Software angel investors invest?

The median check is $400K–$1.06M, across 107 angels with a stated or estimated range. Angel groups often pool members' checks into a larger round.

Where are B2B Software angel investors based?

Most are in California (46), New York (13) and Florida (9).

  • Alvaro FilpoSolo GP · Palo Alto, CA

    Named as the only individual (Managing Partner of the General Partner of the Issuer.) on the Form D for Fabrica Ventures Fund II-B, LP, a $20M venture fund (May 2023) (2 vehicles on file).

    Pre-seed, Seed · checks $550K–$1.65M

    B2B Software
  • Kevin KwokSyndicate lead · San Francisco, CA

    Named as the only individual (Manager of the General Partner of the Issuer) on the Form D for NEW Technology Solutions SF SPV 2 LLC, a $255K venture SPV (Apr 2023).

    Pre-seed, Seed · checks $255K

    B2B Software
  • Jackson GatesSolo GP · San Francisco, CA

    Named as the only individual (Managing Member of the General Partner) on the Form D for Manresa Ventures, L.P., a $40M venture fund (Mar 2023).

    Pre-seed, Seed · checks $400K–$1.2M

    AI & MLB2B SoftwareFintech
  • Jonathan CholakSolo GP · Austin, TX

    Named as the only individual (Principal) on the Form D for W11 Genesis I QP, LP, a $28M venture fund (Jan 2023).

    Pre-seed, Seed · checks $275K–$850K

    CybersecurityMedia, Gaming & CreatorB2B SoftwareAI & ML
  • Thoms RichSyndicate lead · Salt Lake City, UT

    Named as the only individual (Officer of the Issuer's Manager) on the Form D for Hellometer, a Series of The SaaS Syndicate I LLC, a $559K venture SPV (Jan 2023) (2 vehicles on file).

    Pre-seed, Seed · checks $420K–$560K

    B2B Software
  • David Michael ScalzoSolo GP · Winter Park, FL

    Named as the only individual (executive officer) on the Form D for Kirenaga Partners LLC, a $14.4M venture fund (Jul 2025) (4 vehicles on file: 2 funds, 2 SPVs). Also a non-executive director at 1 startup that filed Form D.

    Pre-seed, Seed · checks $150K–$450K

    Defense & AerospaceSpaceB2B Software
  • Pratibha VuppuluriSyndicate lead · Boulder, CO

    Named as the only individual (executive officer) on the Form D for UC EpiBone II, LLC, a $315K venture SPV (Nov 2024) (9 vehicles on file).

    Pre-seed, Seed · checks $240K–$695K

    B2B SoftwareHealthcare
  • Irish AngelsAngel group · Chicago, IL

    Irish Angels: 1 Form D vehicle (latest IA BiomeSense a series of Irish Angels 2020 LLC, filed 2025-10-01); its site describes the group.

    Pre-seed, Seed · checks $250K–$350K

    B2B SoftwareFintechConsumerMobility & Logistics
  • Mid-America AngelsAngel group · Mission, KS

    Mid-America Angels: 1 Form D vehicle (latest MID-AMERICA ANGELS INVESTMENTS LLC, filed 2023-12-18); its site takes applications via online form (ecjc.typeform.com).

    Seed to Series B · checks $250K–$1.5M

    B2B Software
  • Jason CorselloSolo GP · Madison, CT

    Named as one of two individuals (Managing Member of the General Partner of the Issuer) on the Form D for Acadian Ventures Fund III, LP, a $60M venture fund (Sep 2025).

    Seed, Series A · checks $600K–$1.8M

    B2B SoftwareDeveloper Tools
  • Thomas OtterSolo GP · Madison, CT

    Named as one of two individuals (Managing Member of the General Partner of the Issuer) on the Form D for Acadian Ventures Fund III, LP, a $60M venture fund (Sep 2025).

    Seed, Series A · checks $600K–$1.8M

    B2B SoftwareDeveloper Tools
  • Ajay SinghSolo GP · Los Altos, CA

    Named as one of two individuals (Managing Member of the General Partner) on the Form D for Exponential Technologies Frontiers Feeder Fund LP, a $11.9M venture fund (Sep 2025) (2 vehicles on file).

    Pre-seed, Seed · checks $250K–$750K

    B2B Software
  • Rupam ShrivastavaSolo GP · Los Altos, CA

    Named as one of two individuals (Managing Member of the General Partner) on the Form D for Exponential Technologies Frontiers Feeder Fund LP, a $11.9M venture fund (Sep 2025) (2 vehicles on file).

    Pre-seed, Seed · checks $250K–$750K

    B2B Software
  • Anupam RastogiSolo GP · Belmont, CA

    Named as one of two individuals (Principal) on the Form D for Emergent Ventures III, L.P., a $58.5M venture fund (Aug 2025) (2 vehicles on file). Also a non-executive director at 2 startups that filed Form D.

    Pre-seed to Series A · checks $575K–$1.75M

    B2B Software
  • Sunil ChhayaSolo GP · Palo Alto, CA

    Named as one of two individuals (Managing Director of the General Partner of the Issuers) on the Form D for Kearny Jackson Fund III, L.P., a $66.8M venture fund (Aug 2025).

    Seed, Series A · checks $675K–$2M

    AI & MLDeveloper ToolsB2B SoftwareHardware & Robotics
  • Madeleine Lindsay FowlerSolo GP · Brooklyn, NY

    Named as the only individual (executive officer) on the Form D for Dorm Room Fund V LP, a venture fund (Aug 2025).

    Pre-seed, Seed

    B2B SoftwareHealthcareHardware & RoboticsAI & ML
  • Nicholas LukensSyndicate lead · Manhattan Beach, CA

    Named as one of two individuals (MANAGING PARTNER OF THE GENERAL PARTNER OF THE ISSUER) on the Form D for Breakwall Equity SPV I LP, a venture SPV (Jun 2025).

    Pre-seed, Seed

    B2B Software
  • Ryan WaldSyndicate lead · Manhattan Beach, CA

    Named as one of two individuals (MANAGING PARTNER OF THE GENERAL PARTNER OF THE ISSUER) on the Form D for Breakwall Equity SPV I LP, a venture SPV (Jun 2025).

    Pre-seed, Seed

    B2B Software
  • Abdo John HajjSyndicate lead · Malibu, CA

    Named as the only individual (director) on the Form D for Ag T1V LLC, a $1M venture SPV (Jun 2025) (2 vehicles on file). Also a non-executive director at 1 startup that filed Form D.

    Series A · checks $1M–$2.41M

    Food & AgricultureB2B Software
  • Adam BurrowsSolo GP · Denver, CO

    Named as one of two individuals (Managing Director of the General Partner) on the Form D for Range Technology Ventures Fund II, L.P., a $45M venture fund (Jul 2023). Also a non-executive director at 2 startups that filed Form D.

    Pre-seed, Seed · checks $450K–$1.35M

    B2B Software
  • Ryan Pbc General PartnerSyndicate lead · Fort Worth, TX

    Named as the only individual (director) on the Form D for Star Castle Ventures VC, LP - Wilder Systems Convert, a $1.6M venture SPV (Jan 2025).

    Pre-seed, Seed · checks $1.6M

    B2B Software
  • Sean O'BrienSolo GP · Alpharetta, GA

    Named as the only individual (executive officer/promoter) on the Form D for Overline Seed Fund II, LP, a $21M venture fund (Mar 2024). Also a non-executive director at 1 startup that filed Form D.

    Pre-seed, Seed · checks $200K–$650K

    B2B Software
  • Sam GoldbergerSyndicate lead · Newton Center, MA

    Named as one of two individuals (Managing Partner of the General Partner of the Issuer) on the Form D for Ambit SPV1 LP, a $410K venture SPV (Mar 2023). Also a non-executive director at 3 startups that filed Form D.

    Seed, Series A · checks $410K

    Biotech & PharmaB2B SoftwareHealthcare
  • Prasanth ChilukuriSolo GP · Houston, TX

    Named as one of two individuals (Managing Member of the Ultimate GP) on the Form D for Soul Venture Partners Fund I, L.P., a $30M venture fund (Jun 2024). Also a non-executive director at 3 startups that filed Form D.

    Pre-seed, Seed · checks $300K–$900K

    B2B Software
  • Joanna Lee ShevelenkoSolo GP · Tiburon, CA

    Named as one of two individuals (Managing Member of the General Partner and Investment Manager) on the Form D for Perplexity F7 Fund I LP, a $50M venture fund (Oct 2024). Also a non-executive director at 1 startup that filed Form D.

    Pre-seed to Series A · checks $500K–$1.5M

    HealthcareB2B Software
  • Kelly GraziadeiSolo GP · Tiburon, CA

    Named as one of two individuals (Managing Member of the General Partner and Investment Manager) on the Form D for Perplexity F7 Fund I LP, a $50M venture fund (Oct 2024).

    Pre-seed, Seed · checks $500K–$1.5M

    HealthcareB2B Software
  • Scott AdamsSolo GP · Houston, TX

    Named as one of two individuals (Managing Member of the Ultimate GP) on the Form D for Soul Venture Partners Fund I, L.P., a $30M venture fund (Jun 2024). Also a non-executive director at 1 startup that filed Form D.

    Pre-seed, Seed · checks $300K–$900K

    B2B Software
  • Joseph RizkSyndicate lead · Brooklyn, NY

    Named as one of two individuals (Partner of the Issuer's Manager) on the Form D for Runyon Ventures: Series Aboon, a separate series of Runyon Ventures, LLC, a $375K venture SPV (Mar 2024).

    Pre-seed, Seed · checks $375K

    B2B Software
  • Lori CashmanSyndicate lead · Hingham, MA

    Named as one of two individuals (Manager of the Manager of the Issuer) on the Form D for Victress Capital Opportunity Fund, LLC - Series Four, a $1.7M venture SPV (Jan 2024) (2 vehicles on file).

    Pre-seed, Seed · checks $775K–$1.74M

    FintechHealthcareB2B SoftwareMobility & Logistics
  • Suzanne NorrisSyndicate lead · Hingham, MA

    Named as one of two individuals (Manager of the Manager of the Issuer) on the Form D for Victress Capital Opportunity Fund, LLC - Series Four, a $1.7M venture SPV (Jan 2024) (2 vehicles on file).

    Pre-seed, Seed · checks $775K–$1.74M

    FintechHealthcareB2B SoftwareMobility & Logistics
  • Nicholas LewinSolo GP · New York, NY

    Named as the only individual (executive officer) on the Form D for CPH Capital Fund I,L.P., a $97.7M venture fund (Jan 2024). Also a non-executive director at 1 startup that filed Form D.

    Seed, Series A · checks $975K–$2.95M

    HealthcareB2B Software
  • Will ZellSolo GP · Columbus, OH

    Named as the only individual (executive officer) on the Form D for Zell Capital, a $50M venture fund (Sep 2023).

    Pre-seed, Seed · checks $500K–$1.5M

    B2B Software
  • James Bennett Ralston IiiSolo GP · Brooklyn, NY

    Named as one of two individuals (Manager of the General Partner of the Issuer) on the Form D for Swell Partners Fund II, L.P., a $10M venture fund (Sep 2023).

    Pre-seed, Seed · checks $100K–$300K

    B2B SoftwareSpace
  • Mrityunjay Bennett PatilSolo GP · New York, NY

    Named as one of two individuals (Manager of the General Partner of the Issuer) on the Form D for Swell Partners Fund II, L.P., a $10M venture fund (Sep 2023).

    Pre-seed, Seed · checks $100K–$300K

    B2B SoftwareSpace
  • Gordon FalloneSolo GP · Glenview, IL

    Named as one of two individuals (Manager of LLC) on the Form D for OPAC Revel LLC, a $3.7M venture fund (Mar 2023). Also a non-executive director at 1 startup that filed Form D.

    Pre-seed to Series A · checks $25K–$100K

    B2B Software
  • Laurence ConstableSolo GP · Concord, MA

    Named as one of two individuals (Managing Member of the General Partner of the Issuer) on the Form D for KCV Fund I, LP, a $50M venture fund (Jun 2023). Also a non-executive director at 1 startup that filed Form D.

    Pre-seed, Seed · checks $500K–$1.5M

    B2B Software
  • James KozakSolo GP · Glenview, IL

    Named as one of two individuals (Manager of LLC) on the Form D for OPAC Revel LLC, a $3.7M venture fund (Mar 2023).

    Pre-seed, Seed · checks $25K–$100K

    B2B Software
  • Hub AngelsAngel group · Boston, MA

    Hub Angels: 1 Form D vehicle (latest Hub Angel Investment Group Fund VII, LP, filed 2025-09-26); its site describes the group.

    Seed

    B2B SoftwareMedia, Gaming & CreatorIndustrial & Manufacturing
  • Keiretsu Forum Mid-AtlanticAngel group · King of Prussia, PA

    Keiretsu Forum Mid-Atlantic: listed as an ACA network member; its site takes applications via form on the group's website; meets monthly.

    Seed

    B2B SoftwareHealthcareBiotech & PharmaConsumer+1
  • Gopher AngelsAngel group · Minneapolis, MN

    Gopher Angels: listed as an ACA network member; its site takes applications via Gust.

    Seed, Series A

    B2B SoftwareHealthcareBiotech & PharmaHardware & Robotics

Start a 3-day trial to rank angels by fit with your startup, see their published ways in, and find warm paths through your network.

Rank them for me