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William Pfeifer Email & Phone Number

Senior Manager - Tax Technology at Clarivate
Location: Arlington, Texas, United States 4 work roles 2 schools
1 work email found @clarivate.com LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

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Work email w****@clarivate.com
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Current company
Role
Senior Manager - Tax Technology
Location
Arlington, Texas, United States

Who is William Pfeifer? Overview

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Quick answer

William Pfeifer is listed as Senior Manager - Tax Technology at Clarivate, based in Arlington, Texas, United States. AeroLeads shows a work email signal at clarivate.com and a matched LinkedIn profile for William Pfeifer.

William Pfeifer previously worked as Senior Tax Manager at Deloitte and Senior Tax Analyst at Aol. William Pfeifer holds Masters Of Science, Accountancy; Tax Services from University Of Notre Dame - Mendoza College Of Business.

Company email context

Email format at Clarivate

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{first}.{last}@clarivate.com
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Profile bio

About William Pfeifer

CPA - Texas, Virginia

Listed skills include Accounting, Cpa, Tax, Tax Returns, and 15 others.

Current workplace

William Pfeifer's current company

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Clarivate
Clarivate
Senior Manager - Tax Technology
AeroLeads page
4 roles

William Pfeifer work experience

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Senior Manager - Tax Technology

Current

London, Gb

Aug 2021 - Present

Senior Tax Manager

Worldwide, Oo

Deloitte NFTS High Impact Award Winner, 2019Senior Manager in National Tax Accounting Group (NTAG), focused on income tax provisions and high-profile transactions for mid-sized and large multi-national entities, specializing in the following:- ASC 740 technical guidance- Tax Reform implications and planning- Carve-out reporting and SEC disclosures- OneSource Tax Provision integration / implementation- Deferred balance validations- Streamlining the tax accounting processNTAG works with local offices to ensure a consistent and smooth tax provision experience for clients across the country, in a variety of industries.

Jan 2017 - Aug 2021

Senior Tax Analyst

Aol

New York, Ny, Us

Senior Tax Analyst working mainly on the tax compliance process --• Worked on compliance team of 3-5 that brought 250 federal, state and international returns in-house with zero late filings during the 2013 and 2014 tax years.• Increased responsibilities each year in tax senior role, resulting in “lead senior” role with 2 direct reports for 2015 tax year as well as management of day-to-day compliance items.• Simultaneously managed the preparation of the company’s pre-acquisition return in OneSource Income Tax (110 filings) and the integration of the post-acquisition return in Corptax for the 2015 tax year (190 filings).• Developed and maintained Notice Tracker in order to expedite response time and ensure compliance in all jurisdictions.• Assisted with quarterly provision by preparing RTP summaries, deferred rollforwards, ETR analyses, and multiple tax adjustment workpapers.• Saved tax department approximately $55,000 annually by decreasing the asset count and product level for BNA fixed assets in 2015.

Feb 2013 - Oct 2016

Senior Tax Associate

New York, Ny, Us

Tax Associate working on mostly REIT compliance, corporate compliance and fixed asset reconciliations --• Prepared 1120-REIT returns and 1040 returns for individual owners of REIT with over $725M in assets• Reconciled fixed assets to internal rollforwards and financial statements for a large corporation owning 200+ hotels worldwide• Reviewed tax returns and quarterly/annual provisions for multiple clients; experience with 1120, 1120-S, and 1065• Coordinated work for 1-4 staff level associates for various projects

Jan 2011 - Jan 2013
2 education records

William Pfeifer education

Masters Of Science, Accountancy; Tax Services

University Of Notre Dame - Mendoza College Of Business

Bachelors, Business Administration; Accountancy

University Of Notre Dame
FAQ

Frequently asked questions about William Pfeifer

Quick answers generated from the profile data available on this page.

What company does William Pfeifer work for?

William Pfeifer works for Clarivate.

What is William Pfeifer's role at Clarivate?

William Pfeifer is listed as Senior Manager - Tax Technology at Clarivate.

What is William Pfeifer's email address?

AeroLeads has found 1 work email signal at @clarivate.com for William Pfeifer at Clarivate.

Where is William Pfeifer based?

William Pfeifer is based in Arlington, Texas, United States while working with Clarivate.

What companies has William Pfeifer worked for?

William Pfeifer has worked for Clarivate, Deloitte, Aol, and Kpmg.

How can I contact William Pfeifer?

You can use AeroLeads to view verified contact signals for William Pfeifer at Clarivate, including work email, phone, and LinkedIn data when available.

What schools did William Pfeifer attend?

William Pfeifer holds Masters Of Science, Accountancy; Tax Services from University Of Notre Dame - Mendoza College Of Business.

What skills is William Pfeifer known for?

William Pfeifer is listed with skills including Accounting, Cpa, Tax, Tax Returns, Account Reconciliation, Sarbanes Oxley Act, Corporate Tax, and Tax Accounting.

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