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John Green
Director of Finance/CFO at
COGENT BIOSCIENCES, INC.
Net worth: 3 M $ as of 30/06/2026
Profile
John L.
Green is currently Chief Financial Officer at Cogent Biosciences, Inc. Formerly, Mr. Green was Chief Financial Officer & Accounting Director at Dicerna Pharmaceuticals, Inc. from 2014 to 2020, Assurance Manager at PricewaterhouseCoopers LLP from 2008 to 2013, Vice President & Assistant Treasurer at TSI Corp from 1989 to 1994, Chief Accounting Officer at Merrimack Pharmaceuticals, Inc. from 2017 to 2018, Vice President-Finance at On-Q-ity, Inc. from 2011 to 2012, Senior Manager at Corporate Finance Group, Inc. from 2013 to 2014, Chief Financial Officer at Verastem, Inc. from 2013 to 2016, Controller at Fractyl Health, Inc. from 2015 to 2017, and Chief Financial Officer & Senior Vice President at rEVO Biologics, Inc. from 2002 to 2010.
Education includes undergraduate studies at College of the Holy Cross (Massachusetts) and Acadia University, and an MBA from Questrom School of Business.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 13/04/2026 | 81,834 ( 0.05% ) | 3 M $ | 30/06/2026 |
John Green active positions
| Companies | Position | Start |
|---|---|---|
| COGENT BIOSCIENCES, INC. | Director of Finance/CFO | 01/06/2018 |
Former positions of John Green
| Companies | Position | End |
|---|---|---|
| DICERNA PHARMACEUTICALS, INC. | Director of Finance/CFO | 26/05/2020 |
| MERRIMACK PHARMACEUTICALS | Comptroller/Controller/Auditor | 01/06/2018 |
| FRACTYL HEALTH, INC. | Comptroller/Controller/Auditor | 01/03/2017 |
| VERASTEM, INC. | Director of Finance/CFO | 15/04/2016 |
Corporate Finance Group, Inc.
 Corporate Finance Group, Inc. Miscellaneous Commercial ServicesCommercial Services Provides accounting, tax, business advisory and cybersecurity services | Corporate Officer/Principal | 01/06/2014 |
Training of John Green
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
71
1st degree connections
13
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 13 |
|---|---|
PricewaterhouseCoopers LLP
 PricewaterhouseCoopers LLP Miscellaneous Commercial ServicesCommercial Services Provides auditing, assurance, consulting and tax & business consulting services | Commercial Services |
Dicerna Pharmaceuticals, Inc.
 Dicerna Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company that focuses on discovering, developing and commercializing medicines for chronic liver diseases | Health Technology |
Cogent Biosciences, Inc.
 Cogent Biosciences, Inc. BiotechnologyHealth Technology Discovers and develops new cellular immunotherapies for cancer | Health Technology |
College of the Holy Cross (Massachusetts)
 College of the Holy Cross (Massachusetts) Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
TSI Corp
 TSI Corp Miscellaneous Commercial ServicesCommercial Services Provides lab testing services | Commercial Services |
Merrimack Pharmaceuticals, Inc.
 Merrimack Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Discovers, develops and commercializes drugs for the treatment of immunological & autoimmune diseases and cancer | Health Technology |
Acadia University
 Acadia University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
On-Q-ity, Inc.
 On-Q-ity, Inc. Medical/Nursing ServicesHealth Services Provides diagnostic services for cancer | Health Services |
Corporate Finance Group, Inc.
Corporate Finance Group, Inc. Miscellaneous Commercial ServicesCommercial Services Provides accounting, tax, business advisory and cybersecurity services | Commercial Services |
Verastem, Inc.
 Verastem, Inc. BiotechnologyHealth Technology Discovers and develops drugs | Health Technology |
Fractyl Health, Inc.
 Fractyl Health, Inc. BiotechnologyHealth Technology Develops and sells therapeutics for metabolic diseases, type 2 diabetes and obesity | Health Technology |
rEVO Biologics, Inc.
 rEVO Biologics, Inc. BiotechnologyHealth Technology Develops and commercializes specialty therapeutics to address unmet medical needs in patients with rare, life-threatening conditions | Health Technology |
Questrom School of Business
 Questrom School of Business Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
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