Mark Johnston's
email & phone

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Current Position:

Global Director of Internal Audit, Finance at Alcon

Experience:

24 years

Location:

Denton, Texas

How to contact Mark Johnston

Last updated:2025-08-14

m**@alcon.com

+1-205-***-**11

Analytics

According to LinkedIn Mark Johnston started working on 2001, then the employee has changed 4 companies and 5 jobs. On average, Mark Johnston works for one company for 4 years. Mark Johnston has been working as a Global Director of Internal Audit, Finance for Alcon for 2223 days. If you are interested in this candidate, contact him directly by using contact details provided by SignalHire.

Work Experience

Global Director of Internal Audit, Finance at Alcon

Jul 2019 - Current

Vice President of Internal Audit at Michaels Stores

Sep 2018 - Jul 2019

Vice President Internal Audit and Chief Audit Executive at Sally Beauty

Apr 2008 - Apr 2018

Manager / Sr. Manager / Director of Internal Audit at Sally Beauty

Apr 2005 - Apr 2008

Internal Audit at Sabre Corporation

Feb 2003 - Apr 2005

External Audit Practice at PwC

Jan 2001 - Feb 2003

Education

BS/MS at University of North Texas

Frequently Asked Questions

How long has Mark Johnston been working as a Global Director of Internal Audit, Finance?

Mark Johnston's total experience in various companies as a Global Director of Internal Audit, Finance 6 years 1 month.

What is Mark Johnston's minimum period of employment in the companies?

Mark Johnston's minimum period of employment in various companies is 10 months.

What is Mark Johnston's average duration of employment for different companies?

On average, Mark Johnston works for one company for 3 years 7 months

What industries has Mark Johnston worked in?

Mark Johnston works in the Medical Devices. Previously, Mark Johnston worked in the Retail, and Computer Software, and Information Technology and Services.

What positions has Mark Johnston held before?

Previously, Mark Johnston worked as a Vice President of Internal Audit, and Vice President Internal Audit and Chief Audit Executive, and Manager / Sr. Manager / Director of Internal Audit, and Internal Audit, and External Audit Practice.

How do I contact Mark Johnston?

Mark Johnston's email address is m**@alcon.com, phone number is +1-205-***-**11. Sign up to get contact details.

Who is the President/CEO/Director of the Alcon?

The President/CEO/Director of the Alcon is David Schwartz

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