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John Cassidy Email & Phone Number
Global Client Service Partner
at
EY
1 work email found
@ey.com
5 phones found area 510, 925, 207, and 212
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 86%
Who is John Cassidy? Overview
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Quick answer
John Cassidy is listed as Global Client Service Partner at EY, based in Atlanta, Georgia, United States. AeroLeads shows a work email signal at ey.com, phone signal with area code 510, 925, 207, 212, and a matched LinkedIn profile for John Cassidy.
John Cassidy previously worked as Board Member at Martis Camp Club & Community Association and Global Assurance Transformation leader at Ey. John Cassidy holds Executive Leadership Program from Insead - Singapore.
Company email context
Email format at EY
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{first}.{last}@ey.com
86% confidence
AeroLeads found 1 current-domain work email signal for John Cassidy. Compare company email patterns before reaching out.
Profile bio
About John Cassidy
Successful leader with 30+ years of experience within the professional service industry who has worked with young Silicon Valley start-ups to Fortune 10 company’s C-suite executives and board members in delivering audit, tax, consulting, transactional advisory and cyber related servicesComfortable working with and developing new and innovative technologies (including AI) and strategies to solve complex problems and bring business insights to client executivesOperates effectively in large matrix organizations by developing key relationships with the Board, corporate, divisional, country and functional leadership level within his clients and Firm’s global organizationsDeep experience and knowledge in the technology sector including manufacturing, software-as-service, semiconductor, cloud services, autonomous vehicles, and finance and leasing companies.
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John Cassidy's current company
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6 roles · 35 years
John Cassidy work experience
A career timeline built from the work history available for this profile.
Board Member
Current
Oct 2020 - Present
Global Client Service Partner
CurrentManage some of the Firm’s largest and most complicated audit clients including The Coca-Cola Company, General Motors, HP Inc, and Hewlett Packard Enterprise while also delivering tax, consulting, and transactional advisory services
May 2015 - Present
Global Assurance Transformation Leader
CurrentRe-imagined the global assurance service delivery model with a focus on data, client and employee experience.
Mar 2020 - Present
Partner
o Assisted clients through IPOs, secondary offerings, and complex preferred equity transactionso Advised clients with complex accounting matters such as business combinations, share based compensation, goodwill impairment, debt & equity transactions and the adoption of SOX 404 o Led successful business development efforts and won new private audit clients for the Firm
1992 - 2015
~23 yrs
International Partner
o Served on a five-year strategic assignment to be the global engagement partner on a large complex foreign private issuer, ABB ($40 billion industrial power & automation company)o Advised C-suite executives on complex accounting and reporting issues including technology acquisitionso Significantly improved the financial performance of the global engagement by driving a significant growth in permissible services, establishing a global project management office and improving the cost of deliveryo Developed global professional network both within EY and through client relationships
2009 - Jun 2014
2 education records
John Cassidy education
Executive Leadership Program
Bachelor Of Science (Bs), Accounting
FAQ
Frequently asked questions about John Cassidy
Quick answers generated from the profile data available on this page.
What company does John Cassidy work for?
John Cassidy works for EY.
What is John Cassidy's role at EY?
John Cassidy is listed as Global Client Service Partner at EY.
What is John Cassidy's email address?
AeroLeads has found 1 work email signal at @ey.com for John Cassidy at EY.
What is John Cassidy's phone number?
AeroLeads has found 5 phone signal(s) with area code 510, 925, 207, 212 for John Cassidy at EY.
Where is John Cassidy based?
John Cassidy is based in Atlanta, Georgia, United States while working with EY.
What companies has John Cassidy worked for?
John Cassidy has worked for Ey and Martis Camp Club & Community Association.
How can I contact John Cassidy?
You can use AeroLeads to view verified contact signals for John Cassidy at EY, including work email, phone, and LinkedIn data when available.
What schools did John Cassidy attend?
John Cassidy holds Executive Leadership Program from Insead - Singapore.
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