Jason Ainsworth in

Jason Ainsworth

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Chief Accounting Officer at VAST Data
📍 Winchester, Massachusetts, United States

Jason Ainsworth is the Chief Accounting Officer at VAST Data, bringing over 20 years of experience from his partnership at Deloittes Silicon Valley technology practice. A graduate of Cal Poly and a CPA, he has deep expertise in auditing and advising public and private software and SaaS companies.

Jason is deeply connected to his alma mater, California Polytechnic State University, where he serves as an Advisory Board Member for the Accounting Area. This demonstrates a commitment to giving back to the academic community and shaping future accounting professionals.

After a distinguished 20-year career at Deloitte, Jason transitioned his Big Four expertise to lead accounting functions at high-growth tech companies.

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Experience
18 Years
Current Role
Chief Accounting Officer
Job Level
Leadership
Location
Winchester, Massachusetts, United States
Personality Overview

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Communication Style
Decision Approach
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Priorities

Topics Jason cares about

The AI Revolution
He has expressed excitement about how VAST Data is driving the AI revolution forward and that working on deals in this space is a career milestone.
Building Finance Teams
Frequently posts about hiring for his team at VAST Data, seeking leaders for a fast-paced and dynamic environment focused on growth and learning.
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Career

Work history

2-2025
Chief Accounting Officer
VAST Data
3-2022 - 2-2025
Chief Accounting Officer
Houzz
12-2014 - 3-2022
Advisory Board Member
California Polytechnic State University-San Luis Obispo - Accounting Area
1-2005 - 3-2022
Partner
Deloitte
US Technology Sector Leader - Audit & Assurance
Deloitte
In the press

Media appearances

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Education
2000 - 2004
Business Administration
California Polytechnic State University-San Luis Obispo
Social presence
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Behavioral profile

DISC profile (public)

DISC behavioral profile

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