N. Jablonka Advisory
Amsterdam, Netherlands
Oct 2025 – Present
Founder & Independent Advisor·Advising consumer brands and commerce technology companies on digital commerce strategy, growth and transformation.
O'Neill B.V.
Warmond, Netherlands
May 2022 – Oct 2025
Head of E-Commerce·Full P&L ownership and digital commerce leadership across European markets. Delivered double-digit full-price growth, reduced return rates, and led the organisation's digital transformation to mobile-first.
Karl Lagerfeld
Amsterdam, Netherlands
Aug 2021 – Feb 2022
Global E-Commerce Director (Interim)·Led global e-commerce operations and co-piloted a full replatforming to Salesforce Commerce Cloud during a major digital transformation.
Body & Fit
Amsterdam, Netherlands
May 2020 – Jul 2021
Trading Manager·Led international trading strategy and supported market launches across Australia and Korea.
Signet Jewelers / H.Samuel
London, UK
Mar 2017 – Mar 2020
Head of E-Commerce & Trading Manager·Turned around a declining operation to double-digit growth within 8 months. Delivered the group's strongest e-commerce performance with a £1M profit margin improvement.
Ralph Lauren Europe
London, UK
Mar 2010 – Feb 2017
Senior Digital Trading Manager & E-Commerce Buyer·Part of the founding team launching Ralph Lauren Europe Online. Ensured continued operations and built a new trading team during the transition from Geneva to London offices. Scaled Womenswear e-commerce to €80M delivering +36% YoY growth.
Tommy Hilfiger Europe
Amsterdam, Netherlands
Jan 2007 – Feb 2010
E-Commerce Associate Merchandise Manager·Supported assortment creation, buying and trading across Hilfiger Denim, Footwear and Underwear.