**About the Editor**

#### **Shervin Hashemi**

Along with being a senior researcher at the Institute for Environmental Research at Yonsei University College of Medicine, Seoul, Republic of Korea, Dr. Shervin Hashemi is also an honorary research associate at the Durban University of Technology, Faculty of Management Sciences, South Africa. His primary research expertise pertains to the provision of water and sanitation across remote areas. His remarkable invention of the Resource Circulated Sanitation system won him accolades such as the Leaving No One Behind Innovation Award 2019 and Energy Globe Republic of Korea National Award 2019. Furthermore, he also developed the Sanitation Sustainability Index to evaluate the technical, economic, and social sustainability of local sanitation systems. Since 2017, he has been an active member of the management committee of the International Water Association (IWA) Resource-Oriented Sanitation Specialist Group. In 2021, he was nominated for the IWA Global Water Award, which recognizes individuals who, through innovative leadership and practice, have made exceptional contributions to the mindful and wise use of water globally. He also serves as a member of the editorial board of the journal *Sustainability* (ISSN 2071-1050).
