Brian Posner

Brian Posner

Direktör/Styrelseledamot på ARCH CAPITAL GROUP LTD.

Förmögenhet: 13 M $ per 2026-07-31

64 år
Finance
Health Technology
Miscellaneous

Profil

Brian S.
Posner
was the founder of Hygrove Partners LLC, founded in 2000, where the title held was Managing Partner from 2000 to 2006.
Mr. Posner is the founder of Point Rider Group LLC, founded in 2008, holding the title of President since 2008.
Current jobs include Independent Director at Arch Capital Group Ltd. since 2010, Independent Director at Dyne Therapeutics, Inc. starting in 2025, Trustee at AQR Funds, Trustee at Northwestern University, Member-Supervisory Board at Biogen GmbH since 2008, and Trustee at Northwestern University Clinical & Translational Sciences Institute.
Former jobs include President, CEO & Chief Investment Officer at ClearBridge Investments LLC from 2006 to 2008, Chairman at Bioverativ, Inc. from 2017 to 2018, Director at Sotheby's Holdings, Inc. from 2000 to 2003, Independent Director at Biogen, Inc. from 2008 to 2022, Director at Anadys Pharmaceuticals, Inc. in 2011, Independent Director at BG Medicine, Inc. from 2013 to 2015, Director at RiverPark Funds Trust, Director at Biogen Idec New Ventures, Inc., Portfolio Manager at Fidelity Management & Research Co. LLC from 1987 to 1995, Portfolio Manager at Warburg Pincus Asset Management, Inc. from 1997 to 1998, and Portfolio Manager at Credit Suisse Asset Management LLC from 1997 to 1998.
Education includes an undergraduate degree from Northwestern University conferred in 1983 and an MBAistration from The University of Chicago Booth School of Business conferred in 1987.

Kända innehav i offentliga företag

FöretagDatumAntal aktierVärderingVärderingsdatum
2026-05-05 122 175 ( 0,03 % ) 12 M $ 2026-07-31
2026-06-08 24 500 ( 0,01 % ) 616 910 $ 2026-07-31

Aktiva positioner av Brian Posner

FöretagPositionStart
ARCH CAPITAL GROUP LTD. Direktör/Styrelseledamot 2010-11-04
DYNE THERAPEUTICS, INC. Direktör/Styrelseledamot 2025-10-01
Direktör/Styrelseledamot -
Direktör/Styrelseledamot 2008-01-01
Direktör/Styrelseledamot -
Direktör/Styrelseledamot -
Point Rider Group LLC
Grundare 2008-03-01

Tidigare kända positioner av Brian Posner

FöretagPositionSlut
BIOGEN INC. Direktör/Styrelseledamot 2022-05-15
BIOVERATIV INC Ordförande 2018-03-08
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