![David Johnson](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>)
David Johnson
Director/Board Member at
LIQUIDIA CORPORATION
Net worth: 2 M $ as of 2026-09-29
Profile
David Edward Johnson is the founder of Caligan Partners LP, founded in 2017, where the title held is Partner.
Current jobs include Independent Director at Exelixis, Inc. since 2023, Director at The Children's Scholarship Fund, and Independent Director at Liquidia Corp.
since 2021.
Former jobs include Director at Kazakhstan Investment Fund Ltd, Managing Director at The Carlyle Group LP (Global Credit), Independent Director at AMAG Pharmaceuticals, Inc. from 2019 to 2020, Managing Director at The Carlyle Group Inc. from 2010 to 2017, Director at Seachange Maritime, LLC, Director at Alimera Sciences, Inc., and Vice President at Morgan Stanley & Co. LLC.
Education includes undergraduate and graduate degrees from Harvard College, conferred in 2004.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
LIQUIDIA CORPORATION 0.04% | 2026-06-15 | 38,755 ( 0.04% ) | 1 M $ | 2026-09-29 |
| 2026-05-26 | 9,088 ( 0% ) | 530 830 $ | 2026-09-29 |
David Johnson active positions
| Companies | Position | Start |
|---|---|---|
| LIQUIDIA CORPORATION | Director/Board Member | 2021-04-12 |
| EXELIXIS, INC. | Director/Board Member | 2023-05-30 |
Children's Scholarship Fund, Inc.
 Children's Scholarship Fund, Inc. Miscellaneous Commercial ServicesCommercial Services Provides partial tuition assistance for low-income families to send their children to private schools | Corporate Officer/Principal | - |
Caligan Partners LP
 Caligan Partners LP Investment ManagersFinance Caligan Partners seeks to identify companies it believes are undervalued, potentially because their sectors are out of favor or may be undergoing significant transition and where the firm believes its influence can act as a catalyst for a re-valuation of the investment or help to change the underlying performance of the investment, whether through financial or operational restructuring or a strategic repositioning or transaction. Their focus on undervalued securities is due to its belief that purchase price is the most important determinant of the success of an investment. | Chief Executive Officer | 2017-08-31 |
Former positions of David Johnson
| Companies | Position | End |
|---|---|---|
| AMAG PHARMACEUTICALS, INC. | Director/Board Member | 2020-11-15 |
| THE CARLYLE GROUP INC. | Corporate Officer/Principal | 2016-12-31 |
Morgan Stanley & Co. LLC
 Morgan Stanley & Co. LLC Investment Banks/BrokersFinance Provides brokerage services | Corporate Officer/Principal | - |
| ALIMERA SCIENCES, INC. | Director/Board Member | - |
Kazakhstan Investment Fund Ltd
 Kazakhstan Investment Fund Ltd Investment Trusts/Mutual FundsMiscellaneous Closed-End Investment Fund/Investment Trust | Director/Board Member | - |
Education of David Johnson
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
68
1st degree connections
12
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 12 |
|---|---|
Exelixis, Inc.
 Exelixis, Inc. Pharmaceuticals: MajorHealth Technology Operates as a cancer drug discovery company | Health Technology |
Alimera Sciences, Inc.
 Alimera Sciences, Inc. BiotechnologyHealth Technology Operates as a biotechnology company which develops, manufactures and commercializes therapeutics for ophthalmology, rheumatology, nephrology, neurology & pulmonology problems | Health Technology |
Morgan Stanley & Co. LLC
Morgan Stanley & Co. LLC Investment Banks/BrokersFinance Provides brokerage services | Finance |
Kazakhstan Investment Fund Ltd
Kazakhstan Investment Fund Ltd Investment Trusts/Mutual FundsMiscellaneous Closed-End Investment Fund/Investment Trust | Miscellaneous |
The Carlyle Group LP (Global Credit)
 The Carlyle Group LP (Global Credit) Investment ManagersFinance Carlyle Group seeks investment opportunities in companies located in the United States. The firm focuses on a broad range of sectors and industries. It provides financing in the form of debt and equity. | Finance |
AMAG Pharmaceuticals, Inc.
 AMAG Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Manufactures and distributes pharmaceutical products for maternal & women health, anemia management and cancer supportive care | Health Technology |
Children's Scholarship Fund, Inc.
Children's Scholarship Fund, Inc. Miscellaneous Commercial ServicesCommercial Services Provides partial tuition assistance for low-income families to send their children to private schools | Commercial Services |
The Carlyle Group Inc.
 The Carlyle Group Inc. Investment ManagersFinance Provides alternative asset management and private equity services | Finance |
Harvard College
 Harvard College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Seachange Maritime, LLC | |
Caligan Partners LP
Caligan Partners LP Investment ManagersFinance Caligan Partners seeks to identify companies it believes are undervalued, potentially because their sectors are out of favor or may be undergoing significant transition and where the firm believes its influence can act as a catalyst for a re-valuation of the investment or help to change the underlying performance of the investment, whether through financial or operational restructuring or a strategic repositioning or transaction. Their focus on undervalued securities is due to its belief that purchase price is the most important determinant of the success of an investment. | Finance |
Liquidia Corp.
 Liquidia Corp. Pharmaceuticals: MajorHealth Technology Develops pharmaceuticals | Health Technology |
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