![Derek Meisner](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Derek Meisner
Chief Operating Officer at
GREENFIRE RESOURCES LTD.
Net worth: 452 397 $ as of 2026-05-30
Profile
Mr. Derek M.
Meisner is a Vice President-Operations at Greenfire Resources Ltd. and a Secretary & Chief Legal Officer at Acumen Pharmaceuticals, Inc. Mr. Meisner was previously employed as a Secretary & Chief Legal Officer by X4 Pharmaceuticals, Inc., a General Counsel by Genocea Biosciences, Inc., a General Counsel by Quantopian, Inc., a Partner by K&L Gates LLP, a General Counsel by RA Capital Management LP, and a Principal by US Securities & Exchange Commission.
He received his undergraduate degree from the University of Michigan and a graduate degree from American University Washington College of Law.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-03-05 | 173,999 ( 0.24% ) | 452 397 $ | 2026-05-30 |
Derek Meisner active positions
| Companies | Position | Start |
|---|---|---|
| ACUMEN PHARMACEUTICALS, INC. | General Counsel | 2022-07-31 |
| GREENFIRE RESOURCES LTD. | Chief Operating Officer | 2026-03-11 |
Former positions of Derek Meisner
| Companies | Position | End |
|---|---|---|
| X4 PHARMACEUTICALS, INC. | General Counsel | 2022-08-21 |
| GENOCEA BIOSCIENCES, INC. | General Counsel | 2019-10-31 |
Quantopian, Inc.
 Quantopian, Inc. Internet Software/ServicesTechnology Services Operates as an online crowdsourced algorithmic trading platform that enables users to develop, test and license trading strategies | General Counsel | 2017-12-31 |
US Securities & Exchange Commission
 US Securities & Exchange Commission Investment Banks/BrokersFinance Provides securities and commission services | Corporate Officer/Principal | - |
RA Capital Management LP
 RA Capital Management LP Investment ManagersFinance RA Capital is a multi-stage investment manager that focuses evidence-based investing in public and private healthcare and life science companies which develops drugs, medical devices, diagnostics, services, and research tools. The firm’s portfolio of private and public companies spans the globe and most therapeutic areas across all stages from discovery through commercialization. | General Counsel | - |
Training of Derek Meisner
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
4
1st degree connections
10
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 10 |
|---|---|
Acumen Pharmaceuticals, Inc.
 Acumen Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Discovers and develops medicines and diagnostics for Alzheimer's disease | Health Technology |
RA Capital Management LP
RA Capital Management LP Investment ManagersFinance RA Capital is a multi-stage investment manager that focuses evidence-based investing in public and private healthcare and life science companies which develops drugs, medical devices, diagnostics, services, and research tools. The firm’s portfolio of private and public companies spans the globe and most therapeutic areas across all stages from discovery through commercialization. | Finance |
Genocea Biosciences, Inc.
 Genocea Biosciences, Inc. BiotechnologyHealth Technology Operates as clinical stage biotechnology company that discovers and develops novel cancer immunotherapies | Health Technology |
University of Michigan
 University of Michigan Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
US Securities & Exchange Commission
US Securities & Exchange Commission Investment Banks/BrokersFinance Provides securities and commission services | Finance |
K&L Gates LLP
 K&L Gates LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services | Commercial Services |
Quantopian, Inc.
Quantopian, Inc. Internet Software/ServicesTechnology Services Operates as an online crowdsourced algorithmic trading platform that enables users to develop, test and license trading strategies | Technology Services |
American University Washington College of Law
 American University Washington College of Law Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
X4 Pharmaceuticals, Inc.
 X4 Pharmaceuticals, Inc. BiotechnologyHealth Technology Operates as a biotechnology company which engages in developing human antibodies for treating infectious diseases | Health Technology |
Greenfire Resources Ltd.
 Greenfire Resources Ltd. Integrated OilEnergy Minerals Explores, acquires, develops and produces oil and gas | Energy Minerals |
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