Bishop Dagmar Winter completed her Doctorate in Theology at Heidelberg University, Germany in February 1996. Her ordination into the Priesthood at Rochester Cathedral followed swiftly in 1997. 

Bishop Dagmar's earlier years mostly include Ministry (Licensed Lay Ministers, Curates, Ordinands – Sponsoring Bishop), ecumenical links and Rural Church. Over the years, she has also held many different postings in academic institutions and national roles. 

She has worked as a Vicar, Curate, Priest-in-Charge and Area Dean in various locations in the United Kingdom. She worked as Bishop's Adviser for Women's Ministry and a member of Bishop’s Senior Staff from 2012-2019. During some of those years (2015-2019), Bishop Dagmar served as a Rector and Lecturer of Hexham. From 2014-2017 she was an Hon Fellow in the Department of Theology & Religion of Durham University.

Her national posts include Member of General Synod of the Church of England for the Diocese of Newcastle, Member of Mission and Public Affairs Council of the Church of England and Member of Church of England Faith and Order Commission. 

Her role as Bishop of Huntingdon in the Diocese of Ely started on 3 July 2019. She was voted Vice-President of CEC on 19 June, 2023.