Ellen Wiencek, Associate at Sidley Austin LLP

Ellen Wiencek

Associate at Sidley Austin LLP | Greater Chicago Area, United States

Profile last verified July 2026
Law Practice Verified Profile Greater Chicago Area, United States University of Chicago Law School
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Ellen Wiencek serves as a litigation associate at Sidley Austin LLP, practicing from the Greater Chicago Area office. She supports complex litigation and regulatory matters alongside the firm’s network of over two thousand lawyers operating in more than seventy countries. As a University of Chicago Law School graduate, she contributes to the organization’s established reputation for representing clients across multiple jurisdictions.

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Ellen Wiencek Socials
Ellen Wiencek Work Experience

Associate at Sidley Austin LLP in November 2023 - Present

Judicial Law Clerk at United States Court of Appeals for the Seventh Circuit in August 2022 - August 2023

PILI Fellow at Legal Aid Chicago in March 2022 - July 2022

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Summer Associate at Sidley Austin LLP in June 2021 - August 2021

Legal Intern at Federal Public Defender in June 2020 - July 2020

Financial Analyst, Chief of Staff's Office, Division of Financial Stability at Federal Reserve Board in June 2017 - July 2019

Senior Research Assistant, Emerging Market Economies, Division of International Finance at Federal Reserve Board in June 2015 - June 2017

Ellen Wiencek Education

University of Chicago Law School, Doctor of Law - JD

Washington and Lee University, Bachelor's Degree

University of Oxford, Junior Year Study Abroad

About Ellen Wiencek’s Current Company
Sidley Austin LLP

Sidley is an elite global law firm. With 2,300 lawyers, annual revenue of US$3.4 billion, and experience that spans 160 years, we have established a reputation using Built to Win® legal strategies in successfully representing clients in more than 70 countries on complex transactional, restructuring, investigation, regulatory, and litigation matters. With 21 offices strategically situated in key commercial and financial hubs across the world, our perspective and our reach are truly global. Our lawyers and business professionals, fluent in more than 75 languages, possess the cultural awareness and cross-border legal acumen needed to bring clarity to a dynamic business landscape. Our offices are found in Beijing, Boston, Brussels, Century City, Chicago, Dallas, Geneva, Hong Kong, Houston, London, Los Angeles, Miami, Munich, New York, Palo Alto, San Diego, San Francisco, Singapore, Sydney, Tokyo, and Washington, D.C. Attorney Advertising. Prior results do not guarantee a similar outcome. Photos may include Sidley alumni or other individuals who are not Sidley lawyers. Photos may be stock photographs. All service marks herein are registered or used by Sidley Austin Holding LLP worldwide. © 2026 Sidley Austin Holding LLP. All rights reserved.

Discover more about Sidley Austin LLP
Ellen Wiencek’s Colleagues
Jaclyn Fonteyne

Jaclyn Fonteyne

United States

FDA Regulatory Attorney

Managing Associate at Sidley Austin LLP
(July 2025 – Present)

Louise Freund

Louise Freund

Munich, Bavaria, Germany

Senior Managing Associate - Banking & Finance chez Sidley Austin LLP

Senior Managing Associate - Banking & Finance at Sidley Austin LLP
(January 2024 – Present)

Jiries Elias

Jiries Elias

United Kingdom

Lawyer | Associate @ Sidley Austin LLP | Harvard Law School Graduate (25’)

Associate at Sidley Austin LLP
(September 2025 – Present)

Valence Li

Valence Li

San Francisco Bay Area

Associate at Sidley Austin LLP

Associate at Sidley Austin LLP
(October 2024 – Present)

Summer Boyd

Summer Boyd

Washington, District of Columbia, United States

Associate at Sidley Austin

Associate at Sidley Austin LLP
(November 2024 – Present)

Victoria Reznik

Victoria Reznik

New York City Metropolitan Area

JD/MBA 24' Northwestern | Youth Olympic Medalist | Goldie and WX Scholar | Sloan Fellow

Law Clerk at Sidley Austin LLP
(October 2024 – Present)

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Frequently asked questions about Ellen Wiencek

What is Ellen Wiencek email address?

Email Ellen Wiencek at [email protected] and [email protected]. This email is the most updated Ellen Wiencek's email found in 2026.

How to contact Ellen Wiencek?

To contact Ellen Wiencek send an email to [email protected] or [email protected]. (updated on July 2026)

What company does Ellen Wiencek work for?

Ellen Wiencek works for Sidley Austin LLP.

What is Ellen Wiencek's role at Sidley Austin LLP?

Ellen Wiencek is Associate

What industry does Ellen Wiencek work in?

Ellen Wiencek works in the Law Practice industry.

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