Board

William is a member of the Management Engagement and Remuneration and Nominations Committees. 

William has extensive experience in the investment trust sector from his previous roles as head of closed end funds and head of investment companies at Aberdeen Group (formerly Aberdeen Asset Management PLC). He was also formerly a non-executive director on the board of Primary Health Properties Plc and a director of the Association of Investment Trust Companies.

William is a consultant to board performance and external evaluation specialist Cyclico.

Sven H. Borho, CFA, joined the Board in 2018. He is a founder and Executive Partner of OrbiMed. Until retiring as a Managing Partner in 2026, Sven headed OrbiMed’s public equity business and served as a portfolio manager for its public equity and hedge fund strategies. Sven joined OrbiMed’s predecessor firm in 1991 as a senior analyst covering European pharmaceutical and global biotechnology companies and became a portfolio manager for the firm’s first hedge fund in 1993. He helped build OrbiMed into one of the world’s leading dedicated healthcare investment firms. Sven is a CFA charterholder. He studied business administration at Bayreuth University in Germany and holds an M.Sc. in Accounting and Finance from the London School of Economics.

Chair of the Nominations Committee and a member of the Audit, and Management Engagement and Remuneration Committees. Dr Rawal is also a Senior Independent Director.

Dr Rawal, a physician with 25 years’ experience in life sciences research and development, has held senior executive roles in drug development and scientific evaluation in four global pharmaceutical companies. She has also worked in senior roles with two medical research funding organisations: Wellcome Trust and Cancer Research UK.

Bina is a non-executive director of PHP Plc and was formerly a trustee on the board of the Social Mobility Foundation.

Chair of the Audit & Risk Committee and a member of the Nominations and Management Engagement and Remuneration Committees.

Tim was formerly the chief financial officer at Caledonia Investments PLC. Prior to this role he was chief financial officer at Wellcome Trust, the global charitable trust focused on health research, and at Virgin Atlantic Limited. Tim is a non-executive director of the British Standards Institution and of Oxford University Endowment Management, plus a trustee of Babraham Institute; he chairs the respective audit and risk committees of these institutions. He is also a director and trustee of Shell Foundation. He has an extensive and broad financial background.

Chair of the Management Engagement and Remuneration Committee and a member of the Audit and Risk and Nominations Committees.

A Chartered Accountant by training, Jo is an experienced investor with a background in private equity with LGV Capital Partners Limited, where she was on the board. Jo also has extensive experience of both global investment trusts and healthcare, including life sciences.

She is a non-executive director of Octopus AIM VCT plc and of Herald Investment Trust plc, where she is also Audit Committee chair designate. She is also the non executive chair of Babraham Research Campus Limited.

Jo was formerly a non-executive director of Henderson International Income Trust plc, and of Guy’s and St Thomas’ Enterprises Limited.

Jo studied chemistry at Oxford University.

Member of the Audit & Risk, Nominations and Management Engagement and Remuneration Committees

Sian has a background in investment banking and policy development. She is currently a non-executive director of The Lindsell Train Investment Trust plc. She is also Chair of The Sanctuary Counsel, an advisory firm based in Westminster. Sian was formerly a non-executive director of Pacific Assets Trust plc and of JP Morgan Multi Asset Growth and Income plc.

Until October 2023, Sian held the position of chief operating officer at the CT Group, a global strategic consultancy group. Prior to this, she served as an executive director of the Legatum Institute and earlier in her career, she was managing director of Policy Exchange, one of the UK’s most successful policy think tanks. Her earlier professional experiences also include senior roles in investment banking, where she served as a company analyst at Enskilda Securities and was director of sales at Societe Generale.