Lisa Wittenberg

Global Accounts Receivables and Operations Manager at Katalon
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Location
Ho Chi Minh City, Vietnam, VN
Languages
  • English Full professional proficiency
  • German Native or bilingual proficiency
  • French Limited working proficiency
  • Hausa Elementary proficiency
  • Swahili Elementary proficiency
  • Spanish Limited working proficiency

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Experience

    • Software Development
    • 200 - 300 Employee
    • Global Accounts Receivables and Operations Manager
      • Aug 2023 - Present

    • Accounts Receivables and Billing Team Leader
      • Oct 2022 - Aug 2023

    • Senior Accounts Receivables Specialist
      • Apr 2022 - Oct 2022

    • Brazil
    • Food and Beverage Services
    • Credit Controller
      • Sep 2019 - Oct 2021

      - Responsible for accounts receivables and credit management of wholesale customers in the UK and DACH region - Analyzing the aging of debt and payment behavior of customers - Creating invoices and credit notes, releasing orders, resolving disputes with customers and analyzing financial risk - Performing credit reviews, setting adequate credit limits, processing debt collection and preparing legal cases - Responsible for accounts receivables and credit management of wholesale customers in the UK and DACH region - Analyzing the aging of debt and payment behavior of customers - Creating invoices and credit notes, releasing orders, resolving disputes with customers and analyzing financial risk - Performing credit reviews, setting adequate credit limits, processing debt collection and preparing legal cases

    • Japan
    • Personal Care Product Manufacturing
    • 700 & Above Employee
    • Accounts Receivable Specialist
      • Jan 2019 - Aug 2019

      - Responsible for accounts receivables and credit management of the German mass business - Analyze the aging of debt and payment behavior of customers to take appropriate actions - Create invoices and credit notes, resolve disputes with customers and analyze financial risk by performing credit reviews and setting appropriate credit limits - Responsible for accounts receivables and credit management of the German mass business - Analyze the aging of debt and payment behavior of customers to take appropriate actions - Create invoices and credit notes, resolve disputes with customers and analyze financial risk by performing credit reviews and setting appropriate credit limits

    • United States
    • Retail Apparel and Fashion
    • 700 & Above Employee
    • Credit Controller
      • Jul 2018 - Dec 2018

      - Maternity leave cover for accounts receivables and credit control of a large portfolio of clients, mainly key accounts and franchise customers - Communication with customers, internal departments and the credit insurance to ensure a balanced aging of the Accounts Receivables ledger, low DSO and minimal credit risk. - Maternity leave cover for accounts receivables and credit control of a large portfolio of clients, mainly key accounts and franchise customers - Communication with customers, internal departments and the credit insurance to ensure a balanced aging of the Accounts Receivables ledger, low DSO and minimal credit risk.

    • Hospitality
    • 1 - 100 Employee
    • Guest Relations Officer
      • Nov 2017 - Apr 2018

      - Main point of contact for about 3000 cruise ship guests - Take ownership of guest concerns, by following-up and ensuring complaints are resolved to the guest’s satisfaction - Assist with technical, medical, safety and organizational issues on board - Support the Financial Controller with exchanging foreign currency, travelers´ checks, and collection of payment on guest accounts - Main point of contact for about 3000 cruise ship guests - Take ownership of guest concerns, by following-up and ensuring complaints are resolved to the guest’s satisfaction - Assist with technical, medical, safety and organizational issues on board - Support the Financial Controller with exchanging foreign currency, travelers´ checks, and collection of payment on guest accounts

    • Credit Controller
      • Jan 2016 - Nov 2017

      - Responsible for accounts receivables and credit control of a large portfolio of DACH region clients - Communication with customers, internal departments and the credit insurance to ensure a balanced aging of accounts receivables ledger, a low DSO and minimal credit risk. - Responsible for accounts receivables and credit control of a large portfolio of DACH region clients - Communication with customers, internal departments and the credit insurance to ensure a balanced aging of accounts receivables ledger, a low DSO and minimal credit risk.

    • Netherlands
    • Software Development
    • 700 & Above Employee
    • Accommodation Service Executive
      • Feb 2015 - Dec 2015

      - Responsible for communication with hotel partners - technical assistance for the internet platform and website, problem solving and complaint management - Assist accommodation partners via phone and email in order to increase performance and sales by strategic positioning of information on the website. - Responsible for communication with hotel partners - technical assistance for the internet platform and website, problem solving and complaint management - Assist accommodation partners via phone and email in order to increase performance and sales by strategic positioning of information on the website.

    • United Kingdom
    • Travel Arrangements
    • 100 - 200 Employee
    • Product and Commercial Executive
      • Sep 2013 - Dec 2014

      Product and Commercial Executive: - Negotiate car hire rates with suppliers and load them on the website - Contact potential partners, set up new contracts and maintain the partner master data Customer Service Advisor: - Assist customers in completing their reservations, handle post-rental complaints and insurance claims in case of accidents Product and Commercial Executive: - Negotiate car hire rates with suppliers and load them on the website - Contact potential partners, set up new contracts and maintain the partner master data Customer Service Advisor: - Assist customers in completing their reservations, handle post-rental complaints and insurance claims in case of accidents

    • Germany
    • Hospitality
    • 200 - 300 Employee
    • Front Office and Receptionist
      • Apr 2011 - Sep 2012
    • United Kingdom
    • Non-profit Organizations
    • 700 & Above Employee
    • Student Assistant
      • Apr 2009 - Mar 2010

Education

  • The University of Manchester
    Master of Science (M.Sc.), Development Economics and International Development
    2012 - 2013
  • University of Hamburg
    Bachelor of Arts (B.A.), African Languages and Cultures, Political Science
    2007 - 2012

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