Andrijana Nelkova Chuchuk was elected as Commissioner at the Energy, Water Services and Municipal Waste Management Services Regulatory Commission (ERC) of the Republic of North Macedonia in August 2019. Previously she was a Deputy Head of Economic Department at the ERC. She has 19 years’ experience in energy regulation in the field of electricity, natural gas, district heating and oil and oil derivatives. In the period 2016 - 2019 she was also a Coordinator of the Water Services Regulation Group at ERC North Macedonia.

In 2018 Andrijana was elected for her second term as Chair of the ERRA Tariff/Pricing Committee and in 2020 and 2022 she was elected as ERRA Presidium member. In May 2024 Andrijana assumed the position of ERRA Chair for a 2-year term. Andrijana Nelkova Chuchuk holds a B.Sc. degree in Economy in the field of Financial and Accounting Management and M.Sc. degree in Economy in the field of Accounting and Auditing and is a member in several professional organizations.