![Daniel Karlin](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>)
Daniel Karlin
Chief Tech/Sci/R&D Officer at
DEFINIUM THERAPEUTICS, INC.
Net worth: 24 M $ as of 2026-06-29
Profile
Dr. Daniel R.
Karlin, MD, is a Chief Medical Officer at Definium Therapeutics, Inc. and an Assistance Professor at Tufts University School of Medicine.
He is on the Board of Directors at Digital Medicine Society, Inc. Dr. Karlin was previously employed as a Chief Executive Officer by HealthMode, Inc. and a Chief Medical Officer by Column Health LLC.
He received his undergraduate degree from The Trustees of Columbia University in The City of New York, a graduate degree from The Trustees of Columbia University in The City of New York and a doctorate degree from The University of Colorado School of Medicine.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-06-24 | 503,282 ( 0.38% ) | 24 M $ | 2026-06-29 |
Daniel Karlin active positions
| Companies | Position | Start |
|---|---|---|
| DEFINIUM THERAPEUTICS, INC. | Chief Tech/Sci/R&D Officer | 2021-01-31 |
Digital Medicine Society
 Digital Medicine Society Miscellaneous Commercial ServicesCommercial Services The Digital Medicine Society, Inc. is a non-profit organization dedicated to advancing digital health and medicine to improve public health and optimize human health outcomes. The private company is based in Boston, MA. The organization convenes diverse stakeholders to collaboratively develop evidence-based frameworks, toolkits, and resources that accelerate the safe, effective, equitable, and people-centered adoption of digital health technologies. Key initiatives include creating standardized digital clinical measures for complex conditions, enabling more frequent and objective assessments via sensors, wearables, and mobile apps, addressing health equity by eliminating harmful race-based clinical algorithms, and promoting responsible AI governance in healthcare. The organization maintains open-access libraries cataloging validated sensor-based digital health technologies and digital endpoints, supports research, clinical trials, and care delivery, and offers educational programs through its Digital Medicine Academy®. Its portfolio spans virtual-first care readiness, AI implementation, opioid use disorder relapse prevention, and aging-in-place technologies, and it endorses trusted digital health products via the DIME Seal. The company was founded in 2019 by Daniel R. Karlin, Donald Jones. The CEO is Jennifer Goldsack. | Founder | - |
Tufts University School of Medicine
 Tufts University School of Medicine Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | - |
Former positions of Daniel Karlin
| Companies | Position | End |
|---|---|---|
HealthMode, Inc.
 HealthMode, Inc. Packaged SoftwareTechnology Services Develops artificial intelligence platform that enables digital measurement methods for clinical trials | Chief Executive Officer | 2020-12-31 |
Column Health LLC
 Column Health LLC Medical/Nursing ServicesHealth Services Provides virtual and in-person medication-assisted treatment and psychotherapy services | Founder | - |
Training of Daniel Karlin
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
57
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
The Trustees of Columbia University in The City of New York
 The Trustees of Columbia University in The City of New York Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Tufts University School of Medicine
Tufts University School of Medicine Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The University of Colorado School of Medicine
 The University of Colorado School of Medicine Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
HealthMode, Inc.
HealthMode, Inc. Packaged SoftwareTechnology Services Develops artificial intelligence platform that enables digital measurement methods for clinical trials | Technology Services |
Mind Medicine (MindMed), Inc.
 Mind Medicine (MindMed), Inc. Pharmaceuticals: MajorHealth Technology Operates as a clinical biopharmaceutical company which develops novel products to treat brain health disorders | Health Technology |
Column Health LLC
Column Health LLC Medical/Nursing ServicesHealth Services Provides virtual and in-person medication-assisted treatment and psychotherapy services | Health Services |
Digital Medicine Society
Digital Medicine Society Miscellaneous Commercial ServicesCommercial Services The Digital Medicine Society, Inc. is a non-profit organization dedicated to advancing digital health and medicine to improve public health and optimize human health outcomes. The private company is based in Boston, MA. The organization convenes diverse stakeholders to collaboratively develop evidence-based frameworks, toolkits, and resources that accelerate the safe, effective, equitable, and people-centered adoption of digital health technologies. Key initiatives include creating standardized digital clinical measures for complex conditions, enabling more frequent and objective assessments via sensors, wearables, and mobile apps, addressing health equity by eliminating harmful race-based clinical algorithms, and promoting responsible AI governance in healthcare. The organization maintains open-access libraries cataloging validated sensor-based digital health technologies and digital endpoints, supports research, clinical trials, and care delivery, and offers educational programs through its Digital Medicine Academy®. Its portfolio spans virtual-first care readiness, AI implementation, opioid use disorder relapse prevention, and aging-in-place technologies, and it endorses trusted digital health products via the DIME Seal. The company was founded in 2019 by Daniel R. Karlin, Donald Jones. The CEO is Jennifer Goldsack. | Commercial Services |
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