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John Mackay
Chief Executive Officer at
Refeyn Ltd.
Profile
John Gerard Mackay currently works at Refeyn Ltd., as Chief Executive Officer from 2024 and Essen Instruments, Inc., as Director.
Mr. Mackay also formerly worked at Sartorius Stedim BioOutsource Ltd., as Chief Executive Officer from 2009 to 2016, BICO Group AB, as Independent Director, Mykrolis Corp., as Vice President-Worldwide Sales & Marketing, and Sartorius AG, as Head-Lab Products & Services Division from 2019 to 2023.
Mr. Mackay received his undergraduate degree and graduate degree from the University of Glasgow.
John Mackay active positions
| Companies | Position | Start |
|---|---|---|
Essen Instruments, Inc.
 Essen Instruments, Inc. Electronic Equipment/InstrumentsElectronic Technology Develops and manufactures cell and bead based screening solutions | Director/Board Member | - |
Refeyn Ltd.
 Refeyn Ltd. BiotechnologyHealth Technology Develops label-free single molecule imaging and mass measurement products | Chief Executive Officer | 2023-12-31 |
Former positions of John Mackay
| Companies | Position | End |
|---|---|---|
| SARTORIUS AG | Corporate Officer/Principal | 2023-06-15 |
Sartorius Stedim BioOutsource Ltd.
 Sartorius Stedim BioOutsource Ltd. Medical/Nursing ServicesHealth Services Provides contract testing services of biologic drugs and vaccines | Chief Executive Officer | 2015-12-31 |
| BICO GROUP AB | Director/Board Member | - |
Mykrolis Corp.
 Mykrolis Corp. Electronic Production EquipmentElectronic Technology Develops, manufactures and markets laboratory analytical instruments | Sales & Marketing | - |
Training of John Mackay
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
9
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
Mykrolis Corp.
Mykrolis Corp. Electronic Production EquipmentElectronic Technology Develops, manufactures and markets laboratory analytical instruments | Electronic Technology |
Sartorius AG
 Sartorius AG Medical SpecialtiesHealth Technology Manufactures instruments and appliances for measuring, testing and navigation | Health Technology |
University of Glasgow
 University of Glasgow Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Essen Instruments, Inc.
Essen Instruments, Inc. Electronic Equipment/InstrumentsElectronic Technology Develops and manufactures cell and bead based screening solutions | Electronic Technology |
Sartorius Stedim BioOutsource Ltd.
Sartorius Stedim BioOutsource Ltd. Medical/Nursing ServicesHealth Services Provides contract testing services of biologic drugs and vaccines | Health Services |
BICO Group AB
 BICO Group AB BiotechnologyHealth Technology Develops tools for bioprinting technology | Health Technology |
Refeyn Ltd.
Refeyn Ltd. BiotechnologyHealth Technology Develops label-free single molecule imaging and mass measurement products | Health Technology |
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