Dawn Marriott-Sims
Partner at Hg


Dawn Marriott-Sims is a Partner at Hg and head of the Hg Portfolio Team.

Dawn was previously Executive Chair of Kinapse, a leading advisory and operational services provider to the life sciences industry and Hg investment. During her time at Kinapse, Dawn lead the business through a period of rapid growth and transformation before finally overseeing the sale of the business to Syneos Health in 2018.

Before joining Hg, Dawn was a Board Member and the Joint COO of Capita plc. She was responsible for 6 of the 11 operating divisions and also led Group IT, Group HR and Group Talent. Before joining the main Board, she held the position of Executive Director for Workplace Services within Capita. Responsible for a portfolio of companies delivering Human Capital Management services. Dawn held this role for three years, taking the operating profit of the business from £38 million to £100 million.

During her 17 years with Capita, Dawn was involved and responsible for many acquisitions,  she chaired multiple companies including two joint venture companies, Axelos and FERA.

She has served on the Board of the Institute for Collaborative Working for 6 years, Chairs a VC backed business, Hometree and serves on a charity Advisory Board, Bookmark Reading.


Dawn's Insights

A Path to Power: Hg’s Women in Leadership Forum 2019