Michael Grey

Michael Grey

Net worth: 29 M $ as of 31/05/2026

73 year
Health Technology
Finance
Commercial Services

Profile

Mr. Michael G.
Grey
is an Executive Chairman at Theolytics Ltd., an Executive Chairman at Plexium, Inc., a Chairman at Mirum Pharmaceuticals, Inc., an Executive Chairman at Spruce Biosciences, Inc., a Chairman at Sorriso Pharmaceuticals, Inc. and a Venture Partner at Pappas Capital LLC.
He is on the Board of Directors at OnKure Therapeutics, Inc. and Biothera, Inc. Mr. Grey was previously employed as an Executive Chairman by Curzion Pharmaceuticals, Inc., an Executive Chairman by Ziarco Group Ltd., an Executive Chairman by Ziarco Pharma Ltd., an Independent Director by Mirati Therapeutics, Inc., an Executive Chairman by Reneo Pharmaceuticals, Inc., a Lead Independent Director by Horizon Pharma, Inc., a Lead Independent Director by Horizon Therapeutics Ltd. (Ireland), a President & Chief Executive Officer by Lumena Pharmaceuticals, Inc., a President & Chief Executive Officer by Auspex Pharmaceuticals, Inc., an Independent Non-Executive Director by BioMarin Pharmaceutical, Inc., a President & Chief Executive Officer by SGX Pharmaceuticals, Inc., a Non-Executive Chairman by IDM Pharma, Inc., a President, Chief Executive Officer & Director by Trega Biosciences, Inc., a President by Biochem Therapeutic, Inc., a President & Chief Operating Officer by Ansan Pharmaceuticals, Inc., a President & Chief Operating Officer by Ansan, Inc., a Vice President-Corporate Development by Glaxo, Inc., and a Vice President-Corporate Development by Glaxo Holdings Plc.
He also served on the board at Amplyx Pharmaceuticals, Inc., Selventa, Inc., Achillion Pharmaceuticals, Inc., Balance Therapeutics, Inc., Biothera Pharmaceuticals, Inc. (Delaware), Epimmune, Inc. and San Diego Venture Group.
He received his undergraduate degree from The University of Nottingham.

Known holdings in public companies

CompanyDateNumber of sharesValuationValuation date
15/06/2026 2,80,160 ( 0.46% ) 28 M $ 31/05/2026
0.16%
04/06/2026 62,884 ( 0.16% ) 264 113 $ 31/05/2026
21/05/2026 0 ( -.--% ) - $ 31/05/2026

Michael Grey active positions

CompaniesPositionStart
MIRUM PHARMACEUTICALS, INC. Founder 07/05/2018
SPRUCE BIOSCIENCES, INC. Chairman 01/04/2017
Director/Board Member -
Private Equity Investor 01/01/2010
Chairman 01/08/2020
Chairman 01/12/2017
Chairman 30/11/2023

Former positions of Michael Grey

CompaniesPositionEnd
ONKURE THERAPEUTICS, INC. Chief Executive Officer 01/12/2017
HORIZON THERAPEUTICS PUBLIC LIMITED COMPANY Director/Board Member 06/10/2023
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See the detail of Michael Grey's experience

Training of Michael Grey

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

Connections

74

1st degree connections

33

1st degree companies

Male

Female

Members of the board

Executives

Linked companies

Private companies33

Health Technology

Health Technology

Health Technology

Health Technology

Commercial Services

Health Technology

Health Technology

Health Technology

Finance

Health Technology

Commercial Services

Consumer Services

Health Technology

Finance

Health Technology

Glaxo, Inc.

Finance

Health Technology

Biochem Therapeutic, Inc.

Health Technology

Health Technology

Health Technology

Health Technology

Health Technology

Health Technology

Health Services

Miscellaneous

Health Technology

Health Technology

Health Technology

Health Technology

Health Technology

Health Technology