Principal
Current
Mar 2018 - Present
AeroLeads people directory · profile
Mark Opper Email & Phone Number
Principal at EY
at
EY
1 work email found
@ey.com
1 phone found area 202
LinkedIn matched
✓ Verified Jul 2026
4 data sources
Profile completeness 86%
Current company
Role
Principal at EY
Location
Washington Dc-Baltimore Area, United States
Company size
Who is Mark Opper? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Mark Opper is listed as Principal at EY at EY, a with 296502 employees, based in Washington Dc-Baltimore Area, United States. AeroLeads shows a work email signal at ey.com, phone signal with area code 202, and a matched LinkedIn profile for Mark Opper.
Mark Opper previously worked as Principal at Ey and Principal, Washington National Tax at Deloitte Tax Llp.
Company email context
Email format at EY
This section adds company-level context without repeating Mark Opper's masked contact details.
{first}.{last}@ey.com
89% confidence
AeroLeads found 1 current-domain work email signal for Mark Opper. Compare company email patterns before reaching out.
Profile bio
About Mark Opper
Mark Opper is a Principal at EY at EY. He possess expertise in international tax, corporate tax, tax law.
Listed skills include International Tax, Corporate Tax, and Tax Law.
Current workplace
Mark Opper's current company
Company context helps verify the profile and gives searchers a useful next step.
3 roles
Mark Opper work experience
A career timeline built from the work history available for this profile.
Principal, Washington National Tax
Deloitte Tax Llp
Oct 2010 - Feb 2018
Partner
Sep 2005 - Sep 2010
Team & coworkers
Colleagues at EY
Other employees you can reach at ey.com. View company contacts for 296502 employees →
AH
Abhilash Hiran
Colleague at EyPune, Maharashtra, India
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MD
Michelle Desir
Colleague at EyQueens County, New York, United States
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SD
Soutrick Das
Colleague at EyBengaluru, Karnataka, India
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AF
Angel Fashoto
Colleague at EyWashington Dc-Baltimore Area, United States
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IG
Iain Glass
Colleague at EyToronto, Ontario, Canada
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BS
Bryan Sansone
Colleague at EyDallas-Fort Worth Metroplex, United States
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RT
Ramiro Ticona
Colleague at EyBolivia, Plurinational State Of
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MS
Mi Sun Han
Colleague at EySeoul, South Korea, Korea, Republic Of
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AT
Andrés Tarazona Berrú
Colleague at EyLima Metropolitan Area, Peru
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GO
Gerasimos Oikonomopoulos
Colleague at EyGlifádha, Attiki, Greece
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Abhilash Hiran
Colleague at EyPune, Maharashtra, India
View →
MD
Michelle Desir
Colleague at EyQueens County, New York, United States
View →
SD
Soutrick Das
Colleague at EyBengaluru, Karnataka, India
View →
AF
Angel Fashoto
Colleague at EyWashington Dc-Baltimore Area, United States
View →
IG
Iain Glass
Colleague at EyToronto, Ontario, Canada
View →
BS
Bryan Sansone
Colleague at EyDallas-Fort Worth Metroplex, United States
View →
RT
Ramiro Ticona
Colleague at EyBolivia, Plurinational State Of
View →
MS
Mi Sun Han
Colleague at EySeoul, South Korea, Korea, Republic Of
View →
AT
Andrés Tarazona Berrú
Colleague at EyLima Metropolitan Area, Peru
View →
GO
Gerasimos Oikonomopoulos
Colleague at EyGlifádha, Attiki, Greece
View →
FAQ
Frequently asked questions about Mark Opper
Quick answers generated from the profile data available on this page.
What company does Mark Opper work for?
Mark Opper works for EY.
What is Mark Opper's role at EY?
Mark Opper is listed as Principal at EY at EY.
What is Mark Opper's email address?
AeroLeads has found 1 work email signal at @ey.com for Mark Opper at EY.
What is Mark Opper's phone number?
AeroLeads has found 1 phone signal(s) with area code 202 for Mark Opper at EY.
Where is Mark Opper based?
Mark Opper is based in Washington Dc-Baltimore Area, United States while working with EY.
What companies has Mark Opper worked for?
Mark Opper has worked for Ey, Deloitte Tax Llp, and Mcdermott Will & Emery.
Who are Mark Opper's colleagues at EY?
Mark Opper's colleagues at EY include Abhilash Hiran, Michelle Desir, Soutrick Das, Angel Fashoto, and Iain Glass.
How can I contact Mark Opper?
You can use AeroLeads to view verified contact signals for Mark Opper at EY, including work email, phone, and LinkedIn data when available.
What skills is Mark Opper known for?
Mark Opper is listed with skills including International Tax, Corporate Tax, and Tax Law.
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