Vestas has named Anders Monrad Rendtorff as Albaek's replacement. Rendtorff is currently head of communications and human resources at Danish medical services firm Coloplast.
Vestas CEO Anders Runevad thanked Albaek for his six years at Vestas, after taking up the role in 2009. Albaek will remain at Vestas until 30 June, with Rendtorff taking up the role from 1 September.
During his time at the manufacturer. Albaek was responsible for the Wind for Prosperity programme, set up in 2013. The programme aims to bring wind energy to areas of poverty. The scheme has supplied refurbished and hybrid wind-diesel power plants to Kenya and Jordan.
As part of the initiative, Vestas entered a team in the Volvo Ocean Race, under the slogan "A race we must win".
With Vestas, Albaek also helped to set up the WindMade label, a consumer standard designed to boost investment in wind but had limited take-up.
Voluntas is a new investment management and advisory firm based in Copenhagen, Denmark. Its website said it would help companies looking to make a "positive social impact".