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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers who have significant controls over the individuals in focus are always inapplicable. The offspring entities and appointments are those entities that the individuals in focus can influence on.

Clicking the links on parent entities or officers, and offspring entities or managed companies will put them in focus and show upstream or downstream connections. In general, ascendant entities can be found by moving toward upstream, and descendant entities are by toward downstream. In this way, progenitor entities such as grandparent companies (parents of parent), sibling companies (children of parent), partner companies (parents of child), and progeny entities such as grandchild companies (children of child) can be found easily.

Jump to: Offsprings
Parent entities and officers
Inapplicable
parent relation
Individuals in focus

Ms Effie Konstantine Datson

    Related profiles found in government register
  • Ms Effie Konstantine Datson
    Greek born in March 1970

    Resident in England

    Registered addresses and corresponding companies
    • Fifth Floor, 11 Leadenhall Street, London, EC3V 1LP, United Kingdom

      IIF 1
  • Ms Effie Konstantine Datson
    American born in March 1970

    Resident in England

    Registered addresses and corresponding companies
    • C/o State Street, 20 Churchill Place, Canary Wharf, London, E14 5HJ, England

      IIF 2
  • Datson, Effie Konstantine
    Greek financial services professional born in March 1970

    Resident in England

    Registered addresses and corresponding companies
    • Fifth Floor, 11 Leadenhall Street, London, EC3V 1LP, United Kingdom

      IIF 3 IIF 4
  • Datson, Effie Konstantine
    born in March 1970

    Resident in England

    Registered addresses and corresponding companies
    • 27, Old Gloucester Street, London, WC1N 3AX, England

      IIF 5
  • Datson, Effie Konstantine
    British,american,greek born in March 1970

    Resident in England

    Registered addresses and corresponding companies
    • 27, Old Gloucester Street, London, WC1N 3AX, United Kingdom

      IIF 6
  • Datson, Effie Konstantine
    British,american,greek senior managing director and head of hedge funds born in March 1970

    Resident in England

    Registered addresses and corresponding companies
    • 26 St James's Square, Union Bancaire Privee, Ubp Sa, London Branch, London, SW1Y 4JH

      IIF 7
child relation
Offspring entities and appointments 5
  • 1
    100 WOMEN IN FINANCE LIMITED
    - now 06057707
    100 WOMEN IN HEDGE FUNDS, LIMITED
    - 2017-07-03 06057707
    8 Shepherd Market, Mayfair, London, United Kingdom
    Active Corporate (27 parents)
    Officer
    2007-01-18 ~ 2018-12-31
    IIF 7 - Director → ME
    Person with significant control
    2016-04-06 ~ 2018-01-01
    IIF 2 - Ownership of voting rights - More than 25% but not more than 50% OE
  • 2
    K.I. MARKETS (HOLDINGS) LIMITED
    14317241
    Unit 2.02 High Weald House, Glovers End, Bexhill, East Sussex, United Kingdom
    Dissolved Corporate (2 parents, 1 offspring)
    Officer
    2022-08-25 ~ 2022-12-05
    IIF 3 - Director → ME
    Person with significant control
    2022-08-25 ~ 2022-12-05
    IIF 1 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 1 - Ownership of shares – More than 25% but not more than 50% OE
  • 3
    K.I. MARKETS LIMITED
    14319918
    Unit 2.02 High Weald House, Glovers End, Bexhill, East Sussex, United Kingdom
    Dissolved Corporate (3 parents)
    Officer
    2022-08-26 ~ 2022-12-05
    IIF 4 - Director → ME
  • 4
    NEWAG MANAGEMENT LTD.
    - now 12341005
    NEWAG PARTNERS MANAGEMENT LTD. - 2020-12-22
    27 Old Gloucester Street, London, United Kingdom
    Active Corporate (3 parents)
    Officer
    2024-11-26 ~ now
    IIF 6 - Director → ME
  • 5
    NEWAG PARTNERS LLP
    OC435139
    27 Old Gloucester Street, London, England
    Active Corporate (4 parents)
    Officer
    2024-03-25 ~ now
    IIF 5 - LLP Designated Member → ME

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Contains public sector information retrieved at 9 February 2026 and licensed under the Open Government Licence v3.0.