Martin MacKay
Net worth: 4 M $ as of 2026-05-30
Net worth: 4 M $ as of 2026-05-30
Martin W.
MacKay is the founder of Rallybio Corp., founded in 2018, serving as Chairman since 2024.
Dr. MacKay was the founder of Rallybio LLC, founded in 2018, and served as Executive Chairman & Chief Executive Officer from 2018 to 2023.
Current jobs include Chief Executive Officer at Calyx Group Ltd. (Ireland), Chief Executive Officer & Director at Rallybio Holdings LLC, Chairman at Charles River Laboratories International, Inc. starting 2017, Independent Director at Charles River Laboratories, Inc., and Director at Kailera Therapeutics, Inc. starting 2026.
Former jobs include Chief Executive Officer at Vecta Software Corp.
Ltd., Chief Executive Officer at Neverfail, Inc. in 2012, Chief Executive Officer & Director at Neverfail Ltd., Director at Encysive Pharmaceuticals, Inc. in 2008, Operations Director at The Dun & Bradstreet Corp., Director-Business Development at NorthgateArinso, Inc., Independent Director at Springworks Therapeutics, Inc. from 2024 to 2025, Independent Director at 5:01 Acquisition Corp.
from 2020 to 2022, Independent Director at Novo Nordisk A from 2018 to 2025, President-Global Research & Development at AstraZeneca PLC from 2010 to 2013, Global Head-Research & Development at Alexion Pharmaceuticals, Inc. from 2013 to 2017, Vice President-International at VeriSign, Inc., Head-Drug Preformulation & Delivery at BASF Performance Products Ltd. (United Kingdom), Senior Advisor at New Leaf Venture Partners LLC, President at Pfizer (St. Louis), Head-Molecular & Cell Biology at CRI Worldwide LLC in 1995, Principal at PeopleSoft USA, Inc., Principal at Accenture LLC, Head-Drug Preformulation & Delivery at Ciba-Geigy Pharmaceuticals from 1986 to 1995, Principal at Beecham Pharmaceuticals (UK), and Senior Vice President-Worldwide Development at Pfizer Inc. from 1995 to 2010.
Education includes a doctorate from The University of Edinburgh conferred in 1984 and an undergraduate degree from Heriot-Watt University conferred in 1979.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-05-07 | 17,137 ( 0.04% ) | 3 M $ | 2026-05-30 | |
RALLYBIO CORPORATION 1.73% | 2026-02-17 | 91,818 ( 1.73% ) | 1 M $ | 2026-05-30 |
| Companies | Position | Start |
|---|---|---|
| CHARLES RIVER LABORATORIES INTERNATIONAL, INC. | Chairman | 2026-05-04 |
| RALLYBIO CORPORATION | Founder | 2017-12-31 |
Charles River Laboratories, Inc.
Charles River Laboratories, Inc. Miscellaneous Commercial ServicesCommercial Services Provides research models and laboratory animal support services | Director/Board Member | - |
Rallybio Holdings LLC
Rallybio Holdings LLC Medical/Nursing ServicesHealth Services Provides healthcare services | Chief Executive Officer | - |
Calyx Group Ltd. (Ireland)
Calyx Group Ltd. (Ireland) Specialty TelecommunicationsCommunications Provides technology and communications services | Chief Executive Officer | 2010-12-21 |
| Companies | Position | End |
|---|---|---|
| NOVO NORDISK A/S | Director/Board Member | 2025-11-13 |
| SPRINGWORKS THERAPEUTICS, INC. | Director/Board Member | 2025-06-30 |
| 501 ACQU | Director/Board Member | 2022-04-21 |
| ALEXION PHARMACEUTICALS, INC. | Chief Tech/Sci/R&D Officer | 2017-05-31 |
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Active
Inactive
Listed companies
Private companies
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
| Private companies | 29 |
|---|---|
Pfizer Inc.
Pfizer Inc. Pharmaceuticals: MajorHealth Technology Engages in discovery, development, manufacturing, marketing, sale and distribution of biopharmaceutical products & ingredients | Health Technology |
Encysive Pharmaceuticals, Inc.
Encysive Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Discovers, develops and markets drugs for the treatment of cardiovascular, vascular and related inflammatory diseases | Health Technology |
AstraZeneca PLC
AstraZeneca PLC Pharmaceuticals: MajorHealth Technology Manufactures pharmaceutical products | Health Technology |
Alexion Pharmaceuticals, Inc.
Alexion Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Operates as a pharmaceutical company that develops life-changing therapies for people living with rare disorders | Health Technology |
VeriSign, Inc.
VeriSign, Inc. Internet Software/ServicesTechnology Services Provides internet infrastructure services | Technology Services |
Charles River Laboratories International, Inc.
Charles River Laboratories International, Inc. Miscellaneous Commercial ServicesCommercial Services Provides laboratory testing and research services on a contract basis | Commercial Services |
The Dun & Bradstreet Corp.
The Dun & Bradstreet Corp. Data Processing ServicesTechnology Services Provides business data and analytics services | Technology Services |
Charles River Laboratories, Inc.
Charles River Laboratories, Inc. Miscellaneous Commercial ServicesCommercial Services Provides research models and laboratory animal support services | Commercial Services |
Novo Nordisk A/S
Novo Nordisk A/S Pharmaceuticals: MajorHealth Technology Manufactures and markets pharmaceutical products for diabetes care | Health Technology |
Calyx Group Ltd. (Ireland)
Calyx Group Ltd. (Ireland) Specialty TelecommunicationsCommunications Provides technology and communications services | Communications |
BASF Performance Products Ltd. (United Kingdom)
BASF Performance Products Ltd. (United Kingdom) Chemicals: SpecialtyProcess Industries Manufactures chemicals products | Process Industries |
The University of Edinburgh
The University of Edinburgh Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Heriot-Watt University
Heriot-Watt University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Vecta Software Corp. Ltd.
Vecta Software Corp. Ltd. Packaged SoftwareTechnology Services Develops software for sales and marketing departments | Technology Services |
New Leaf Venture Partners LLC
New Leaf Venture Partners LLC Investment ManagersFinance New Leaf Ventures invests in public and private healthcare technology companies located in the US. The firm participates in early and later-stage capital requirements. | Finance |
Pfizer (St. Louis)
Pfizer (St. Louis) BiotechnologyHealth Technology Provides research services in prescription medicines for humans and animals | Health Technology |
CRI Worldwide LLC
CRI Worldwide LLC Miscellaneous Commercial ServicesCommercial Services Provides inpatient and outpatient clinical research services | Commercial Services |
Neverfail, Inc.
Neverfail, Inc. Miscellaneous Commercial ServicesCommercial Services Provides disaster recovery solutions | Commercial Services |
PeopleSoft USA, Inc.
PeopleSoft USA, Inc. Information Technology ServicesTechnology Services Provides software solutions and management systems services | Technology Services |
Accenture LLC
Accenture LLC Miscellaneous Commercial ServicesCommercial Services Provides financial and investment services | Commercial Services |
Neverfail Ltd.
Neverfail Ltd. Packaged SoftwareTechnology Services Provides business continuity software solutions | Technology Services |
NorthgateArinso, Inc.
NorthgateArinso, Inc. Miscellaneous Commercial ServicesCommercial Services Provides human resources services | Commercial Services |
Ciba-Geigy Pharmaceuticals | |
Beecham Pharmaceuticals (UK) | |
Rallybio LLC
Rallybio LLC Miscellaneous Commercial ServicesCommercial Services Operates as a clinical-stage biotech company that delivers groundbreaking therapies | Commercial Services |
Rallybio Holdings LLC
Rallybio Holdings LLC Medical/Nursing ServicesHealth Services Provides healthcare services | Health Services |
Springworks Therapeutics, Inc.
Springworks Therapeutics, Inc. BiotechnologyHealth Technology Operates as a biopharmaceutical company that develops and commercializes medicines for nervous system disorders | Health Technology |
5:01 Acquisition Corp.
5:01 Acquisition Corp. Financial ConglomeratesFinance Operates as a blank check company | Finance |
Rallybio Corp.
Rallybio Corp. BiotechnologyHealth Technology Operates as a clinical stage biotechnology company that engages in research, development and commercialization of therapies for patients with severe & rare diseases | Health Technology |
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