Kirill Lokshin was an administrator on the English Wikipedia (2005–2021), and served on its Arbitration Committee (2007–2009, 2010–2013, 2016–2017) and as the first lead coordinator of its Military History WikiProject (2006–2008).
He was one of the founders of Wikimedia District of Columbia, and served on its Board of Directors (2011–2022, as secretary from 2011 to 2015 and as president from 2015 to 2022). He also served on the Affiliations Committee (2014–2019, as vice-chair from 2016 to 2017 and as chair from 2017 to 2019), the Wikimedia Movement Strategy Working Group on Roles & Responsibilities (2018–2019), the Grant Advisory Committee (2012–2013), the Individual Engagement Grants Committee (2014–2016), the Simple Annual Plan Grants Committee (2015–2018), the Project Grants Committee (2016–2017), and as the ombudsman to the Funds Dissemination Committee (2015–2019).