![Daniel Brennan](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 Brennan
Director/Board Member at
WATERS CORPORATION
Net worth: 12 M $ as of 2026-09-29
Profile
Presently, Daniel J. Brennan occupies the position of Chief Financial Officer & Executive Vice President of Boston Scientific Corp. He is also on the board of Nuance Communications, Inc. He received an MBA and an undergraduate degree from Babson College.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-03-05 | 239,397 ( 0.02% ) | 10 M $ | 2026-09-29 | |
| 2026-06-16 | 1,371 ( 0.01% ) | 690 929 $ | 2026-09-29 | |
| 2026-03-23 | 1,355 ( 0% ) | 595 373 $ | 2026-09-29 | |
| 2026-10-19 | 795 ( 0% ) | 415 634 $ | 2026-09-29 |
Daniel Brennan active positions
| Companies | Position | Start |
|---|---|---|
| WATERS CORPORATION | Director/Board Member | 2022-11-22 |
| MADRIGAL PHARMACEUTICALS, INC. | Director/Board Member | 2025-08-04 |
| VERTEX PHARMACEUTICALS INCORPORATED | Director/Board Member | 2026-10-19 |
Former positions of Daniel Brennan
| Companies | Position | End |
|---|---|---|
| BOSTON SCIENTIFIC CORPORATION | Director of Finance/CFO | 2025-06-28 |
| NUANCE COMMUNICATIONS, INC. | Director/Board Member | 2022-03-03 |
Relievant Medsystems, Inc.
 Relievant Medsystems, Inc. Medical SpecialtiesHealth Technology Operates as a medical device company that provides diagnosing and treating chronic low back pain services | Chief Executive Officer | - |
Education of Daniel Brennan
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
81
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
Vertex Pharmaceuticals, Inc.
 Vertex Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Operates as a pharmaceutical company that develops drugs for the treatment of cystic fibrosis | Health Technology |
Boston Scientific Corp.
 Boston Scientific Corp. Medical SpecialtiesHealth Technology Develops, manufactures and markets cardiology, endoscopy, peripheral intervention, urology & neuromodulation equipment | Health Technology |
Waters Corp.
 Waters Corp. Medical SpecialtiesHealth Technology Designs, manufactures, sells and services analytical technologies: liquid chromatography, mass spectrometry, and thermal analysis | Health Technology |
Relievant Medsystems, Inc.
Relievant Medsystems, Inc. Medical SpecialtiesHealth Technology Operates as a medical device company that provides diagnosing and treating chronic low back pain services | Health Technology |
Babson College
 Babson College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Nuance Communications, Inc.
 Nuance Communications, Inc. Packaged SoftwareTechnology Services Develops AI-powered conversational and cognitive customer engagement software for healthcare and enterprise industry | Technology Services |
Madrigal Pharmaceuticals, Inc.
 Madrigal Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops small-molecule drugs for cardiovascular, metabolic and liver diseases | Health Technology |
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