ER
Ellen Rubin
VCOperating Partner, Glasswing Ventures
Repeat B2B enterprise founder and operating partner
Boston, MA
SeedSeries A
AIEnterprise SaaSInfrastructureData
Background
Ellen Rubin is an Operating Partner at Glasswing Ventures with over 25 years in B2B enterprise technology as a repeat founder and CEO. She co-founded CloudSwitch (acquired by Verizon), ClearSky Data (acquired by AWS), and most recently Causely. She also helped take Netezza public. She serves as an independent board member at Allegion (NYSE: ALLE).
Investment Focus
Stages
SeedSeries A
Sectors
AIEnterprise SaaSInfrastructureData
Based in: Boston, MA (North America)
Last updated: Jun 11, 2026