In 2005-2008, Algirdas Juozaponis worked as an economist and senior economist at Rytų skirstomieji tinklai AB, financial analyst at Leo LT AB in 2008-2010, product manager at Energijos Tiekimas UAB in 2010-2011, General Director, Member of the Board of Energijos Tiekimas UAB in 2011-2015 (2012-2013), 2013-2015 Member of the Board of GETON Energy SIA (Latvia) and GETON Energy OÜ (Estonia), 2015 - and now Chief Financial Officer of UAB EPSO-G, Member of the Board (2016-2018), and AB Amber Grid Chairman of the Board.
In 2005, he obtained a bachelor's degree in economics from Vilnius University and in 2007, a master's degree (direction of the banking program).