Catherine Ma: Email & Phone Number

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Tax Manager at EY|Washington, District of Columbia, United States

Position:

Tax Manager at EY

Location:

Washington, District of Columbia, United States

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Last updated: 2026-07-02

Updated: 2026-07-02

Found email addresses for Catherine Ma:

Business emails:

*m*@deloitte.com

Personal emails:

c***a@shaw.ca,

c******m@cogeco.ca,

c******m@mailcity.com

Found phones for Catherine Ma:

+1-909-***-**11,

+1-623-***-**22

A different Catherine Ma?

Work Experience 6 years

Tax Manager at EY

Mar 2025 - Current

Senior Tax Consultant at Deloitte

May 2021 - Mar 2025

Tax Consultant at Deloitte Tax LLP

Jan 2020 - Apr 2021

Their professional focus is Accounting, corporate tax, and SQL across 3 core areas.

Catherine holds Certified Public Accountant (CPA) and SQL for Data Analysis: Beginner MySQL Business Intelligence certifications.

Education

Master's degree at Fordham University

Bachelor's degree at University of Connecticut

Frequently Asked Questions

What is Catherine Ma's email address?

SignalHire found verified email addresses for Catherine Ma, both business and personal. Their business email is *m*@deloitte.com, and personal emails include c***a@shaw.ca, c******m@cogeco.ca, and c******m@mailcity.com.

What is Catherine Ma's phone number?

SignalHire found multiple verified phone numbers for Catherine Ma: +1-909-***-**11, and +1-623-***-**22.

How do I contact Catherine Ma at EY?

You can reach Catherine Ma through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Catherine Ma's professional background?

Catherine Ma has 6 years of professional experience. They have held roles including Senior Tax Consultant, and Tax Consultant at companies such as Deloitte, and Deloitte Tax LLP. Their education includes Master's degree from Fordham University, and Bachelor's degree from University of Connecticut.

Is Catherine Ma's contact information up to date?

Yes. Catherine Ma's SignalHire profile was last updated on 2 July 2026, reflecting their current position as Tax Manager at EY in London, United Kingdom.

Catherine Ma Namesakes

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Catherine Ma

KPMG New Zealand

Technology Risk Auditor

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Catherine Ma

CNFPT (Centre national de la fonction publique territoriale)

Responsable d'Antenne & Référente territoire bassin Nord /Est

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Catherine Ma

Crown William Mining

Finance Project Lead

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