
This is an editorial research profile, not a first-person interview or independently conducted farm visit. Check the research sources below for supporting evidence.
Hirut and Mahder Berhanu
Sisters Hirut and Mahder Berhanu own and operate Dumerso Washing Station in Yirgacheffe. Sucafina reports that they acquired the site in 2010 and reopened it in 2013. Grace Farms presents its current Ethiopia coffee through this sister-led operation and says it works with more than 250 farmers while supporting hundreds of women through washing-station, sorting, and childcare work.
Farm: Dumerso Washing Station →History
The Dumerso site was established in 1998. The sisters acquired it in 2010 and reopened the washing station in 2013 after a period of inactivity.
Published coffees linked to Hirut and Mahder Berhanu
A producer may be listed for one explicitly documented component of a blend, not the entire coffee. These catalog relationships do not independently verify every lot or harvest. Check the individual coffee profiles and original research sources.

Research sources & verification
These source links were recorded for this producer profile. They provide a way to check the documented claims; the links do not independently establish each person's identity, current farm relationship or coffee lot.
Research last reviewed: 2026-10-02