Hepsor AS announced that on 6 February 2023, Nele Sumberg took office as a CFO. From 2020 to November 2022, Nele Sumberg worked as the CFO of Liven AS. In 2014, she started as the Financial Manager of Ülemiste Center OÜ.

In 2012-2014 Nele Sumberg worked as the Financial Controller of energy sales unit of Eesti Energia. She started her career in the audit department of PWC where she worked between 2006-2012.