Marieke is a founding board member of the Canadian queer and drag opera company Opéra Queens

As winner of the 2022 Alsop Entrepreneurship Award, Marieke is launching her concept of an e-commerce marketplace for Pan-African music through the Àkójọpọ̀ Music Foundation

Marieke is currently working on a new collaborative recital project with pianist Kamilla Arku, featuring songs by African composers that explore themes of climate justice and the intersection of poverty, racial justice and climate change.

In 2020 Marieke organized an African Christmas fundraising concert to help raise funds for South African opera singers affected by the COVID-19 pandemic and lockdown

In 2019 Marieke directed a production of Der Schauspieldirektor with a bilingual German and Spanish libretto, premiered at DePaul University