Investor · Danvers, MA
Helen Greiner
Open Helen in the network graph →Capital
$28.8M
across filings
Active
Feb 2010
to May 2021
Most-connected co-filers (19)
Anita Jones · Danvers, MA3 sharedDennis J. Hunter · Grand Cayman, Cayman Islands2 sharedGretchen L. Kelly · Portland, OR2 sharedScott Bader · Minneapolis, MN2 sharedTad Elmer · Danvers, MA2 sharedBilal Zuberi · Danvers, MA2 sharedLakbir S. Singh · Pacific Grove, CA2 sharedMark A. Herd · Pacific Grove, CA2 sharedKristin Biehl · Portland, OR2 sharedJohn Simon · Waltham, MA1 sharedGeneral Catalyst Group V, L.P · Cambridge, MA1 sharedRory Mackean · North Billerica, MA1 sharedJoseph Jones · North Billerica, MA1 sharedJohn S. Perkins · San Francisco, CA1 sharedRon Glasgow · Las Vegas, NV1 sharedMason A. Sleeper · New York, NY1 sharedKelsey A. Durels · New York, NY1 sharedBjorn Axling · Billerica, MA1 sharedMark Hager · North Billerica, MA1 shared Recent filings (6)
Tertill CorpMay 2021 · 11 co-filers$4.5MTertill CorpMay 2021 · 11 co-filers$4.5MCyPhy Works, Inc,Oct 2015 · 10 co-filers$22.4MCyPhy Works, Inc,Oct 2015 · 10 co-filers$22.4MCyPhy Works, Inc,Mar 2015 · 7 co-filers$5.0MCyPhy Works, Inc,Mar 2015 · 7 co-filers$5.0MCyPhy Works, Inc,Nov 2013 · 7 co-filers$7.0MCyPhy Works, Inc,Nov 2013 · 7 co-filers$7.0MCyPhy Works, Inc,Jul 2011 · 4 co-filers$1.2MCyPhy Works, Inc,Jul 2011 · 4 co-filers$1.2MCyPhy Works, Inc,Feb 2010 · 2 co-filers$1.8MCyPhy Works, Inc,Feb 2010 · 2 co-filers$1.8M Derived from public SEC Form D (Reg D) filings; entities resolved probabilistically. See Helen in the interactive graph →