Mais Callan

Founder, Impactive Associates

Mais is Founder of Impactive Associates ( and has over 12 years’ experience in Responsible Investment. She led the ESG integration and research programme at one of the UK’s leading asset management firms, Hermes Investment Management. She has advised some of the world’s most prominent pension funds on stewardship and represented them in board-level engagements with listed corporations in Europe and Emerging Markets. Mais holds a Masters in Diplomatic Studies from the University of Westminster and a BA (Hons) in Economics, International Business and French from the University of Surrey.