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Maria Cirino

Co-Founder and Managing Partner

Maria has been building and founding technology businesses for 25 years.  Her operational, entrepreneurial, and senior management experience in venture-backed technology companies includes two Massachusetts IPOs of the Year and the founding of two successful companies and a venture capital firm.  Prior to co-founding .406 Ventures, Maria served as an SVP of VeriSign following its 2005 acquisition of Guardent, the market leading Managed Security Services provider for $142 million.  Guardent was a Sequoia, Charles River Ventures and NEA-backed IT security company that Maria co-founded and led as CEO.  In this role, Maria received industry recognition as "Massachusetts CEO of the Year" and "Ernst & Young Entrepreneur of the Year," among others.

Prior to Guardent, Maria was Senior Vice President responsible for sales and marketing at Razorfish, an IT services company that acquired her previous company, i-Cube, for $1.8 billion in 1999.  At i-Cube, Maria led sales and marketing. Prior to i-Cube, from 1993 – 1997 Maria was responsible for North American sales at Shiva, the category-creating remote access leader.  Prior to Shiva, Maria held sales and marketing roles at Lotus Development Corporation and Software City Inc.

Maria holds an AB in English literature from Mount Holyoke College where she has served as a Trustee and where she currently serves as a member of the college's investment committee.

At .406 Ventures, in addition to her investment activities, Maria manages brand building and deal flow strategy and currently serves on the boards of .406 portfolio companies Attend.com, AuthAir, Carbon Black, Jisto, Kaltura, Lexumo, Mineral Tree, Onapsis, Pwnie Express, Threat Stack, Vaultive, Veracode and formerly served on the boards of Adtuitive, Digitalsmiths and Memento until their respective acquisitions by Etsy, TiVO and FIS.


Maria’s Prior Companies Include:

  • ThreatGrid (acquired by Cisco)
  • Digitalsmiths (acquired by TiVO)
  • Memento (acquired by FIS)
  • Adtuitive (acquired by Etsy)
  • Shiva (IPO 1995)
  • i-Cube (IPO 1998 / acquired by Razorfish)
  • Guardent (acquired by VeriSign)
  • Lotus Development Corporation (IPO 1984 / acquired by IBM 1995)

Maria’s Current Portfolio

Meet the Team

  • How I want entrepreneurs to perceive the .406 team

    “the real deal”

  • After work I’ll be

    At a work gig or home with my family

  • Best job

    Lifeguard or VC…different but equally enjoyable

  • Biggest failure

    Not being fluent in another language…

  • Worst fear

    Failing….I'm driven by a fear of failure

  • Fav book

    Inside Private Equity (for you Craig)

  • Fav destination

    North Truro, MA

  • What you’ll find me drinking


  • Something I say all the time


  • Fav job

    A toss up… loved running a company; love helping build them…

  • Fav movie


  • Best part of the day

    Sunrise on the water

  • Fav wheels

    ’53 MG TD

  • Fond childhood memory

    Dad bringing home trinkets from his business trips.

  • I can’t live without my

    Standard poodles….

  • I can’t stop eating

    French pastries

  • I get annoyed when

    People read their slides…tell your story!

  • I'm terrible at


  • Key to successful leadership

    Responsibility, perseverance and calm under pressure

  • Least fav job

    Dishwasher in college

  • Most confusing time in my life was

    First year out of college…

  • Most fun I have ever had

    First year in college…

  • Most important lesson learned

    Live to fight another day…

  • Key to success

    Fear of failure…

  • What I say too much


  • What's on my iPod

    Elvis Costello, Black Eyed Peas, Lady Gaga, Pink Martini

  • Peak of my athletic career

    Varsity tennis in high school (sadly)

  • Why I chose VC

    To help build more than 1 great company at a time