Barnaby Mark Wiener

Barnaby Mark Wiener

Founder at Treebeard Trust

57 year
Finance

Profile

Barnaby Mark Wiener is the founder of Treebeard Trust.
He previously worked as a Portfolio Manager at Massachusetts Financial Services Co., an Analyst at Merrill Lynch, Pierce, Fenner & Smith, Inc. in 1990, and as an Equity Portfolio Manager & Head of Sustainability at MFS International (UK) Ltd.
from 2020 to 2024.

Barnaby Mark Wiener active positions

CompaniesPositionStart
Treebeard Trust Founder -
All active positions of Barnaby Mark Wiener

Former positions of Barnaby Mark Wiener

CompaniesPositionEnd
Portfolio Manager-Equities 2024-03-31
Portfolio Manager-Equities 2003-12-30
Analyst-Equity 1990-01-01
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Experiences
Positions held

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Private companies

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Connections

45

1st degree connections

4

1st degree companies

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Members of the board

Executives

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Linked companies

Private companies4

Finance

Finance

Finance

Treebeard Trust

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