[11] HD also supports humanitarian efforts by helping to secure the safe passage of aid in high-risk areas[12] and has been expanding thematic mediation around the environmental, inclusion and criminal factors that intensify and complicate many conflicts.

[14][15] HD conducts research and analysis to support its operational work and publishes a variety of public reports and guidance materials to further international mediation and peacemaking efforts.

[19] Indonesia: In its first mediation project soon after its founding in 1999, HD laid the groundwork for the successful negotiation of a final peace agreement in 2005 between the Indonesian government and GAM separatist rebels in the province of Aceh.

[23][24] Black Sea Grain Initiative: During talks between Russia and Ukraine to restart the flow of vital food shipments, HD provided advice and close support to the process led by the United Nations and Türkiye.

[25][26][27] Sahel: In a region faced with political instability, jihadist attacks and conflict over water and land, HD has brokered various agreements around the sharing of natural resources and set up a network of mediators across Mali, Niger, Burkina Faso, Mauritania and Chad.

Under the auspices of Guinea-Bissau President Umaro Sissoco Embaló and with the support of HD, the government of Senegal and the southern factions of the MFDC signed a roadmap for disarmament in 4 August 2022 .

[53] Among its various public and confidential peacemaking activities, HD has also been involved in Sudan,[54] Syria,[55] Kenya, the Central African Republic, Liberia,[56] Somalia,[57] Timor Leste,[58] Burundi[59] and Nepal.

[60] HD was founded to pursue the humanitarian vision of Henry Dunant, co-founder of the Red Cross and co-recipient of the first Nobel Peace Prize, by using mediation and dialogue to reduce the suffering caused by armed conflict.