Mariëlle Snel is a senior global humanitarian WASH advisor for Save the Children International at the regional Middle East/Eastern Europe office based in Amman, Jordan. She has over 25 years of WASH experience in designing, implementing, researching, and publishing around contemporary issues including the humanitarian-development-peace WASH nexus, conflict, COVID, and climate change over the humanitarian, transitional, and development divide. Nikolas Sorensen is a humanitarian and development practitioner and researcher who has consulted with organizations like Save the Children US and Plan International. He has previously published works on the humanitarian-development-peace WASH nexus, specifically looking at the challenges of climate change, COVID-19, and conflict. Reed Power is a humanitarian and development practitioner, most recently working as a senior program officer at World Vision International, based in Iraq. His experience has included a strong focus on WASH linked to climate change and the humanitarian-development-peace WASH nexus.