![Sean Mackay](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>)
Sean Mackay
Corporate Officer/Principal at
STANDARD BIOTOOLS INC.
Net worth: 1 M $ as of 2026-05-30
Profile
Sean Mackay is the founder of IsoPlexis Corp., founded in 2013, where the title held was President, Chief Executive Officer & Director.
Mr. Mackay is the founder of Lazard, Inc., founded in 2008, with the title Senior Associate from 2008 to 2012.
Current jobs include Director at Abbratech, Inc., Chief Business Officer at Standard BioTools, Inc. starting in 2024, and Operating Partner and Portfolio Advisor at Casdin Capital starting in 2023.
Former jobs include Chief Product Officer at Bruker Cellular Analysis, Inc. and Operating Partner at Casdin Capital LLC from 2023 to 2024.
Education includes an MBA from Yale School of Management and an undergraduate degree from The Wharton School of the University of Pennsylvania.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2026-05-19 | 1,006,552 ( 0.26% ) | 1 M $ | 2026-05-30 |
Sean Mackay active positions
| Companies | Position | Start |
|---|---|---|
| STANDARD BIOTOOLS INC. | Corporate Officer/Principal | 2024-05-19 |
Abbratech, Inc.
 Abbratech, Inc. BiotechnologyHealth Technology Develops antibodies | Director/Board Member | - |
Casdin Capital /Private Equity/
 Casdin Capital /Private Equity/ Investment ManagersFinance Casdin Capital invests in companies located in the United States. The firm focus on life sciences, healthcare, biotechnology, synthetic biology, and technology sectors. It provides financing for early and growth stage capital requirements. | Consultant / Advisor | 2023-07-31 |
Former positions of Sean Mackay
| Companies | Position | End |
|---|---|---|
Casdin Capital LLC
 Casdin Capital LLC Investment ManagersFinance Casdin Capital seeks to realize superior long-term adjusted total returns by primarily investing in underappreciated companies with innovative business models in the life sciences and healthcare industry. The firm seeks to build a concentrated portfolio of high-conviction names across the forgoing subsectors. | Corporate Officer/Principal | 2024-03-31 |
| BRUKER CELLULAR ANALYSIS, INC. | Corporate Officer/Principal | 2023-10-01 |
| ISOPLEXIS CORPORATION | Founder | 2023-03-20 |
| LAZARD, INC. | Founder | 2012-03-31 |
Training of Sean Mackay
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
32
1st degree connections
9
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 9 |
|---|---|
Standard BioTools, Inc.
 Standard BioTools, Inc. Medical SpecialtiesHealth Technology Manufactures and markets innovative technologies and tools for life sciences research | Health Technology |
Lazard, Inc.
 Lazard, Inc. Investment Banks/BrokersFinance Provides financial advisory and asset management services | Finance |
IsoPlexis Corp.
 IsoPlexis Corp. Medical SpecialtiesHealth Technology Develops single cell multiplexing immunoassay systems | Health Technology |
Casdin Capital LLC
Casdin Capital LLC Investment ManagersFinance Casdin Capital seeks to realize superior long-term adjusted total returns by primarily investing in underappreciated companies with innovative business models in the life sciences and healthcare industry. The firm seeks to build a concentrated portfolio of high-conviction names across the forgoing subsectors. | Finance |
The Wharton School of the University of Pennsylvania
 The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Yale School of Management
 Yale School of Management Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Casdin Capital /Private Equity/
Casdin Capital /Private Equity/ Investment ManagersFinance Casdin Capital invests in companies located in the United States. The firm focus on life sciences, healthcare, biotechnology, synthetic biology, and technology sectors. It provides financing for early and growth stage capital requirements. | Finance |
Abbratech, Inc.
Abbratech, Inc. BiotechnologyHealth Technology Develops antibodies | Health Technology |
PhenomeX, Inc.
 PhenomeX, Inc. Medical SpecialtiesHealth Technology Develops and sells products for cell therapy, functional analysis & antibody profiling services | Health Technology |
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