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Diane Seymour-Williams

Investor

Affiliate; Investments at Acorn Capital Advisers · Chair at SEI Ventures · Non Executive Director at NPIF – Mercia Equity Finance

London, England, United Kingdom

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About

Diane Seymour-Williams is Chair at SEI and holds non-executive director positions across asset management, wealth technology, private markets, and venture capital, as well as serving as an independent member of the Valuation Committee of Chrysalis Investments Limited. Her executive career in investment management spanned roles including portfolio manager, chief investment officer, chief executive officer, and distribution head, with a specialization in Asia and experience across Europe and North America. She has chaired remuneration, ESG, and investment performance and risk committees, and completed the University of Cambridge's sustainable finance course in 2021.

Experience

  1. Mercia Asset Management PLCNon Executive Directorcurrent2020 — present
  2. Patria Private Equity Trust PLCNon Executive Directorcurrent2017 — presentLondon Area, United Kingdom
  3. Chrysalis Investments (Investment Trust)Independent Member, Valuation Committeecurrent2022 — presentGuernsey
  4. Acorn Capital AdvisersConsultantcurrent2019 — presentLondon
  5. Praxis Group LimitedNon Executive Director2019 — 2024Guernsey
  6. Brooks MacdonaldNon Executive Director2011 — 2020London Area, United Kingdom
  7. Brooks MacdonaldChairman Committee2012 — 2019London, United Kingdom
  8. WITAN PACIFIC INVESTMENT TRUST PLCNon Executive Director2010 — 2019London, United Kingdom
  9. Calculus CapitalNon Executive Director - Calculus VCT Plc2017 — 2019London Area, United Kingdom
  10. Calculus CapitalChairman -Neptune-Calculus Income and Growth2017 — 2018London Area, United Kingdom
  11. The China Fund, Pakistan Fund, Batavia Fund, Calculus Capital, several UCITS BoardsNon Executive Director1993 — 2016Singapore, London
  12. LGM InvestmentsDirector and Global Head of Relationship Management2007 — 2016London
  13. Own PartnershipAsset Management Consultant (2005-2007)2005 — 2007London
  14. Morgan Grenfell/Deutsche Asset ManagementCEO, CIO, Director1981 — 2005London, Singapore
  15. Greater Korea TrustChairman1993 — 1997

Skills & more

Strategy3Asset Management4Wealth Management3Business Strategy1Customer Relationship Management (CRM)1

From Diane's professional profile.

Colleagues at Acorn Capital Advisers

Ali James
Affiliate; Philanthropy at Acorn Capital Advisers
Louise Adams
Partner; Family Office, Tax and Legal at Acorn Capital Advisers
Markus Ruetimann
Affiliate; Operations at Acorn Capital Advisers
Ralph Kanza
Advisory Board; Investment adviser at Acorn Capital Advisers
Sally Tennant
Founder (OBE) at Acorn Capital Advisers
Samuel Lawson
Client Relationship Manager at Acorn Capital Advisers
Samuel Shaw
Client Relationship Manager at Acorn Capital Advisers
Susie Cochin de Billy
Affiliate; US University Consultant at Acorn Capital Advisers

Frequently asked questions

Who is Diane Seymour-Williams?
Diane Seymour-Williams is Chair at SEI and holds non-executive director positions across asset management, wealth technology, private markets, and venture capital, as well as serving as an independent member of the Valuation Committee of Chrysalis Investments Limited. Her executive career in investment management spanned roles including portfolio manager, chief investment officer, chief executive officer, and distribution head, with a specialization in Asia and experience across Europe and North America. She has chaired remuneration, ESG, and investment performance and risk committees, and completed the University of Cambridge's sustainable finance course in 2021.
Where does Diane Seymour-Williams work?
Diane Seymour-Williams is Affiliate; Investments at Acorn Capital Advisers.
Where did Diane Seymour-Williams go to school?
Diane Seymour-Williams studied at University of Cambridge (MA Economics); University of Cambridge (Insitutute of Sustainability Leadership, Sustainable Finance Course).

Same school

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