![Mark Walchirk](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>)
Mark Walchirk
Director/Board Member at
Patterson (PDCO) Holdings UK Ltd.
Profile
Mark Steven Walchirk is currently a Director at National Veterinary Services Ltd. and a Director at Patterson (PDCO) Holdings UK Ltd. Previously, he was the President, Chief Executive Officer & Director at Patterson Cos., Inc. from 2017 to 2022.
He was also the President-Specialty Care Solutions at McKesson Corp.
from 2001 to 2017 and the President & Chief Operating Officer at McKesson Pharmaceutical from 2012 to 2017.
Additionally, he served as a Director at Healthcare Distribution Alliance and a Member-Governor Board at GS1 US, Inc. He received his undergraduate degree from the University of Illinois in 1988.
Mark Walchirk active positions
| Companies | Position | Start |
|---|---|---|
Patterson (PDCO) Holdings UK Ltd.
 Patterson (PDCO) Holdings UK Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Director/Board Member | - |
National Veterinary Services Ltd.
 National Veterinary Services Ltd. Medical DistributorsDistribution Services Distributes veterinary products | Director/Board Member | 19/11/2017 |
Former positions of Mark Walchirk
| Companies | Position | End |
|---|---|---|
| PATTERSON COMPANIES, INC. | Chief Executive Officer | 11/10/2022 |
| MCKESSON CORPORATION | President | 14/09/2009 |
McKesson Pharmaceutical
 McKesson Pharmaceutical Medical DistributorsDistribution Services Distributes pharmaceutical products and medical supplies | President | 30/09/2017 |
Healthcare Distribution Alliance
 Healthcare Distribution Alliance Miscellaneous Commercial ServicesCommercial Services Operates membership organizations | Director/Board Member | - |
GS1 US, Inc.
 GS1 US, Inc. Miscellaneous Commercial ServicesCommercial Services Operates a non-profit charity for global commerce | Director/Board Member | - |
Training of Mark Walchirk
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
92
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
McKesson Corp.
 McKesson Corp. Medical DistributorsDistribution Services Distributes pharmaceuticals and medical supplies & provides related technology services | Distribution Services |
Patterson Cos., Inc.
 Patterson Cos., Inc. Medical SpecialtiesHealth Technology Manufactures and distributes dental and animal healthcare & related software products | Health Technology |
GS1 US, Inc.
GS1 US, Inc. Miscellaneous Commercial ServicesCommercial Services Operates a non-profit charity for global commerce | Commercial Services |
National Veterinary Services Ltd.
National Veterinary Services Ltd. Medical DistributorsDistribution Services Distributes veterinary products | Distribution Services |
University of Illinois
 University of Illinois Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Healthcare Distribution Alliance
Healthcare Distribution Alliance Miscellaneous Commercial ServicesCommercial Services Operates membership organizations | Commercial Services |
McKesson Pharmaceutical
McKesson Pharmaceutical Medical DistributorsDistribution Services Distributes pharmaceutical products and medical supplies | Distribution Services |
Patterson (PDCO) Holdings UK Ltd.
Patterson (PDCO) Holdings UK Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
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