Jason Posthumus

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Tax Resolution Specialist at Vanguard|Scottsdale, Arizona, United States

Position:

Tax Resolution Specialist at Vanguard

Location:

Scottsdale, Arizona, United States

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Last updated: 2025-08-23
Updated: 2025-08-23

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Work Experience 19 years

Tax Resolution Specialist at Vanguard

Oct 2023 - Current

Onboarding and Training Administrator at Vanguard

Jun 2017 - Oct 2023

Financial Associate at Vanguard

Jun 2011 - Jun 2017

Client Relationship Associate at Vanguard

May 2008 - May 2011

Processing Associate at Vanguard

May 2007 - Apr 2008

Jason Posthumus started working in 2007, then the employee has changed 4 jobs. On average, Jason Posthumus works for one company for 3 years 9 months.

Education

Master of Business Administration - MBA at Grand Canyon University

Bachelor of Arts - BA at Calvin University

Frequently Asked Questions

What is Jason Posthumus's minimum period of employment in the companies?

Jason Posthumus's minimum period of employment in various companies is 11 months.

What is Jason Posthumus's average duration of employment for different companies?

On average, Jason Posthumus works for one company for 4 years 1 month

What industries has Jason Posthumus worked in?

Jason Posthumus works in the Financial Services.

What positions has Jason Posthumus held before?

Previously, Jason Posthumus worked as a Onboarding and Training Administrator, and Financial Associate, and Client Relationship Associate, and Processing Associate.

How do I contact Jason Posthumus?

Jason Posthumus's phone number is +1-***-***-0026. Sign up to get contact details.

Who are Jason Posthumus's peers at other companies?

Jason Posthumus's peers at other companies are vinit sawant and Milo Foell and Sheila Koenig

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